Adding upstream version 86.0.1.upstream/86.0.1 upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
author: Daniel Baumann <daniel.baumann@progress-linux.org> 2024-04-28 14:29:10 +0000
committer: Daniel Baumann <daniel.baumann@progress-linux.org> 2024-04-28 14:29:10 +0000
commit: 2aa4a82499d4becd2284cdb482213d541b8804dd (patch)
tree: b80bf8bf13c3766139fbacc530efd0dd9d54394c /js/src/tests/test262/language/literals/string
parent: Initial commit. (diff)
download: firefox-upstream.tar.xz
firefox-upstream.zip
72 files changed, 2379 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/literals/string/S7.8.4_A1.1_T1.js b/js/src/tests/test262/language/literals/string/S7.8.4_A1.1_T1.js
new file mode 100644
index 0000000000..cf7d8b2b70
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/S7.8.4_A1.1_T1.js
@@ -0,0 +1,19 @@
+// |reftest| error:SyntaxError
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: "StringLiteral :: \"DoubleStringCharacters_opt\""
+es5id: 7.8.4_A1.1_T1
+description: >
+    DoubleStringCharacter :: SourceCharacter but not double-quote " or
+    LineTerminator
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+//CHECK#1
+"""
diff --git a/js/src/tests/test262/language/literals/string/S7.8.4_A1.1_T2.js b/js/src/tests/test262/language/literals/string/S7.8.4_A1.1_T2.js
new file mode 100644
index 0000000000..1bacc121ef
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/S7.8.4_A1.1_T2.js
@@ -0,0 +1,20 @@
+// |reftest| error:SyntaxError
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: "StringLiteral :: \"DoubleStringCharacters_opt\""
+es5id: 7.8.4_A1.1_T2
+description: >
+    DoubleStringCharacter :: SourceCharacter but not double-quote " or
+    LineTerminator
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+//CHECK#1
+"
+"
diff --git a/js/src/tests/test262/language/literals/string/S7.8.4_A1.2_T1.js b/js/src/tests/test262/language/literals/string/S7.8.4_A1.2_T1.js
new file mode 100644
index 0000000000..5b39940322
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/S7.8.4_A1.2_T1.js
@@ -0,0 +1,19 @@
+// |reftest| error:SyntaxError
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: "StringLiteral :: 'SingleStringCharacters_opt'"
+es5id: 7.8.4_A1.2_T1
+description: >
+    SingleStringCharacter :: SourceCharacter but not single-quote ' or
+    LineTerminator
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+//CHECK#1
+'''
diff --git a/js/src/tests/test262/language/literals/string/S7.8.4_A1.2_T2.js b/js/src/tests/test262/language/literals/string/S7.8.4_A1.2_T2.js
new file mode 100644
index 0000000000..408260e9cd
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/S7.8.4_A1.2_T2.js
@@ -0,0 +1,20 @@
+// |reftest| error:SyntaxError
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: "StringLiteral :: 'SingleStringCharacters_opt'"
+es5id: 7.8.4_A1.2_T2
+description: >
+    SingleStringCharacter :: SourceCharacter but not single-quote ' or
+    LineTerminator
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+//CHECK#1
+'
+'
diff --git a/js/src/tests/test262/language/literals/string/S7.8.4_A2.1_T1.js b/js/src/tests/test262/language/literals/string/S7.8.4_A2.1_T1.js
new file mode 100644
index 0000000000..5c1657a7b9
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/S7.8.4_A2.1_T1.js
@@ -0,0 +1,19 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: Correct interpretation of ENGLISH ALPHABET
+es5id: 7.8.4_A2.1_T1
+description: Check ENGLISH CAPITAL ALPHABET
+---*/
+
+//CHECK#A-Z
+var unicode = ["\u0041", "\u0042", "\u0043", "\u0044", "\u0045", "\u0046", "\u0047", "\u0048", "\u0049", "\u004A", "\u004B", "\u004C", "\u004D", "\u004E", "\u004F", "\u0050", "\u0051", "\u0052", "\u0053", "\u0054", "\u0055", "\u0056", "\u0057", "\u0058", "\u0059", "\u005A"];
+var character = ["A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z"];
+for (var index = 0; index <= 25; index++) {
+  if (unicode[index] !== character[index]) {
+    $ERROR('#' + character[index] + ' ');
+  }
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/literals/string/S7.8.4_A2.1_T2.js b/js/src/tests/test262/language/literals/string/S7.8.4_A2.1_T2.js
new file mode 100644
index 0000000000..433d0c7ed7
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/S7.8.4_A2.1_T2.js
@@ -0,0 +1,19 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: Correct interpretation of ENGLISH ALPHABET
+es5id: 7.8.4_A2.1_T2
+description: Check ENGLISH SMALL ALPHABET
+---*/
+
+//CHECK#a-z
+var hex = ["\u0061", "\u0062", "\u0063", "\u0064", "\u0065", "\u0066", "\u0067", "\u0068", "\u0069", "\u006A", "\u006B", "\u006C", "\u006D", "\u006E", "\u006F", "\u0070", "\u0071", "\u0072", "\u0073", "\u0074", "\u0075", "\u0076", "\u0077", "\u0078", "\u0079", "\u007A"];
+var character = ["a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z"];
+for (var index = 0; index <= 25; index++) {
+  if (hex[index] !== character[index]) {
+    $ERROR('#' + character[index] + ' ');
+  }
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/literals/string/S7.8.4_A2.2_T1.js b/js/src/tests/test262/language/literals/string/S7.8.4_A2.2_T1.js
new file mode 100644
index 0000000000..ce31a8e2ad
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/S7.8.4_A2.2_T1.js
@@ -0,0 +1,19 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: Correct interpretation of RUSSIAN ALPHABET
+es5id: 7.8.4_A2.2_T1
+description: Check RUSSIAN CAPITAL ALPHABET
+---*/
+
+//CHECK#А-Я
+var unicode = ["\u0410", "\u0411", "\u0412", "\u0413", "\u0414", "\u0415", "\u0416", "\u0417", "\u0418", "\u0419", "\u041A", "\u041B", "\u041C", "\u041D", "\u041E", "\u041F", "\u0420", "\u0421", "\u0422", "\u0423", "\u0424", "\u0425", "\u0426", "\u0427", "\u0428", "\u0429", "\u042A", "\u042B", "\u042C", "\u042D", "\u042E", "\u042F", "\u0401"];
+var character = ["А", "Б", "В", "Г", "Д", "Е", "Ж", "З", "И", "Й", "К", "Л", "М", "Н", "О", "П", "Р", "С", "Т", "У", "Ф", "Х", "Ц", "Ч", "Ш", "Щ", "Ъ", "Ы", "Ь", "Э", "Ю", "Я", "Ё"];
+for (var index = 0; index <= 32; index++) {
+  if (unicode[index] !== character[index]) {
+    $ERROR('#' + character[index] + ' ');
+  }
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/literals/string/S7.8.4_A2.2_T2.js b/js/src/tests/test262/language/literals/string/S7.8.4_A2.2_T2.js
new file mode 100644
index 0000000000..1a48d28a04
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/S7.8.4_A2.2_T2.js
@@ -0,0 +1,19 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: Correct interpretation of RUSSIAN ALPHABET
+es5id: 7.8.4_A2.2_T2
+description: Check RUSSIAN SMALL ALPHABET
+---*/
+
+//CHECK#а-я
+var unicode = ["\u0430", "\u0431", "\u0432", "\u0433", "\u0434", "\u0435", "\u0436", "\u0437", "\u0438", "\u0439", "\u043A", "\u043B", "\u043C", "\u043D", "\u043E", "\u043F", "\u0440", "\u0441", "\u0442", "\u0443", "\u0444", "\u0445", "\u0446", "\u0447", "\u0448", "\u0449", "\u044A", "\u044B", "\u044C", "\u044D", "\u044E", "\u044F", "\u0451"];
+var character = ["а", "б", "в", "г", "д", "е", "ж", "з", "и", "й", "к", "л", "м", "н", "о", "п", "р", "с", "т", "у", "ф", "х", "ц", "ч", "ш", "щ", "ъ", "ы", "ь", "э", "ю", "я", "ё"];
+for (var index = 0; index <= 32; index++) {
+  if (unicode[index] !== character[index]) {
+    $ERROR('#' + character[index] + ' ');
+  }
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/literals/string/S7.8.4_A2.3_T1.js b/js/src/tests/test262/language/literals/string/S7.8.4_A2.3_T1.js
new file mode 100644
index 0000000000..a747e583a5
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/S7.8.4_A2.3_T1.js
@@ -0,0 +1,19 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: Correct interpretation of DIGITS
+es5id: 7.8.4_A2.3_T1
+description: Check DIGITS
+---*/
+
+//CHECK#0-9
+var unicode = ["\u0030", "\u0031", "\u0032", "\u0033", "\u0034", "\u0035", "\u0036", "\u0037", "\u0038", "\u0039"];
+var character = ["0", "1", "2", "3", "4", "5", "6", "7", "8", "9"];
+for (var index = 0; index <= 9; index++) {
+  if (unicode[index] !== character[index]) {
+    $ERROR('#' + character[index] + ' ');
+  }
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/literals/string/S7.8.4_A3.1_T1.js b/js/src/tests/test262/language/literals/string/S7.8.4_A3.1_T1.js
new file mode 100644
index 0000000000..5a579af9f2
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/S7.8.4_A3.1_T1.js
@@ -0,0 +1,17 @@
+// |reftest| error:SyntaxError
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: "StringLiteral :: \"\\\" or '\\' is not correct"
+es5id: 7.8.4_A3.1_T1
+description: Checking if execution of "\" fails
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+//CHECK#1
+"\"
diff --git a/js/src/tests/test262/language/literals/string/S7.8.4_A3.1_T2.js b/js/src/tests/test262/language/literals/string/S7.8.4_A3.1_T2.js
new file mode 100644
index 0000000000..8db6c37088
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/S7.8.4_A3.1_T2.js
@@ -0,0 +1,17 @@
+// |reftest| error:SyntaxError
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: "StringLiteral :: \"\\\" or '\\' is not correct"
+es5id: 7.8.4_A3.1_T2
+description: Checking if execution of "'\'" fails
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+//CHECK#1
+'\'
diff --git a/js/src/tests/test262/language/literals/string/S7.8.4_A3.2_T1.js b/js/src/tests/test262/language/literals/string/S7.8.4_A3.2_T1.js
new file mode 100644
index 0000000000..e85ed3e55a
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/S7.8.4_A3.2_T1.js
@@ -0,0 +1,17 @@
+// |reftest| error:SyntaxError
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: "StringLiteral :: \"\\\\\\\" or '\\\\\\' is not correct"
+es5id: 7.8.4_A3.2_T1
+description: Checking if execution of "\\\" fails
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+//CHECK#1
+"\\\"
diff --git a/js/src/tests/test262/language/literals/string/S7.8.4_A3.2_T2.js b/js/src/tests/test262/language/literals/string/S7.8.4_A3.2_T2.js
new file mode 100644
index 0000000000..a3d4bb194e
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/S7.8.4_A3.2_T2.js
@@ -0,0 +1,17 @@
+// |reftest| error:SyntaxError
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: "StringLiteral :: \"\\\\\\\" or '\\\\\\' is not correct"
+es5id: 7.8.4_A3.2_T2
+description: Checking if execution of '\\\' fails
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+//CHECK#1
+'\\\'
diff --git a/js/src/tests/test262/language/literals/string/S7.8.4_A4.1_T1.js b/js/src/tests/test262/language/literals/string/S7.8.4_A4.1_T1.js
new file mode 100644
index 0000000000..21d05184ed
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/S7.8.4_A4.1_T1.js
@@ -0,0 +1,40 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: "CharacterEscapeSequnce :: SingleEscapeSequence"
+es5id: 7.8.4_A4.1_T1
+description: "SingleEscapeSequence :: one of b f n r t v"
+---*/
+
+//CHECK#1
+if (String.fromCharCode(0x0008) !== "\b") {
+  $ERROR('#1: String.fromCharCode(0x0008) === "\\b"');
+}
+
+//CHECK#2
+if (String.fromCharCode(0x0009) !== "\t") {
+  $ERROR('#2: String.fromCharCode(0x0009) === "\\t"');
+}
+
+//CHECK#3
+if (String.fromCharCode(0x000A) !== "\n") {
+  $ERROR('#3: String.fromCharCode(0x000A) === "\\n"');
+}
+
+//CHECK#4
+if (String.fromCharCode(0x000B) !== "\v") {
+  $ERROR('#4: String.fromCharCode(0x000B) === "\\v"');
+}
+
+//CHECK#5
+if (String.fromCharCode(0x000C) !== "\f") {
+  $ERROR('#5: String.fromCharCode(0x000C) === "\\f"');
+}
+
+//CHECK#6
+if (String.fromCharCode(0x000D) !== "\r") {
+  $ERROR('#6: String.fromCharCode(0x000D) === "\\r"');
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/literals/string/S7.8.4_A4.1_T2.js b/js/src/tests/test262/language/literals/string/S7.8.4_A4.1_T2.js
new file mode 100644
index 0000000000..3024fc1897
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/S7.8.4_A4.1_T2.js
@@ -0,0 +1,35 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: "CharacterEscapeSequnce :: SingleEscapeSequence"
+es5id: 7.8.4_A4.1_T2
+description: "SingleEscapeSequence :: one of ' \" \\"
+---*/
+
+//CHECK#1
+if (String.fromCharCode(0x0027) !== "\'") {
+  $ERROR('#1: String.fromCharCode(0x0027) === "\\\'"');
+}
+
+//CHECK#2
+if (String.fromCharCode(0x0022) !== '\"') {
+  $ERROR('#2: String.fromCharCode(0x0027) === \'\\\"\'');
+}
+
+//CHECK#3
+if (String.fromCharCode(0x005C) !== "\\") {
+  $ERROR('#3: String.fromCharCode(0x005C) === "\\\"');
+}
+
+//CHECK#4
+if ("\'" !== "'") {
+  $ERROR('#4: "\'" === "\\\'"');
+}
+
+//CHECK#5
+if ('\"' !== '"') {
+  $ERROR('#5: \'\"\' === \'\\\"\'');
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/literals/string/S7.8.4_A4.2_T1.js b/js/src/tests/test262/language/literals/string/S7.8.4_A4.2_T1.js
new file mode 100644
index 0000000000..9f63af210b
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/S7.8.4_A4.2_T1.js
@@ -0,0 +1,19 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: "CharacterEscapeSequnce :: NonEscapeSequence"
+es5id: 7.8.4_A4.2_T1
+description: "NonEscapeSequence :: ENGLISH CAPITAL ALPHABET"
+---*/
+
+//CHECK#A-Z
+var CharacterCode = [0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047, 0x0048, 0x0049, 0x004A, 0x004B, 0x004C, 0x004D, 0x004E, 0x004F, 0x0050, 0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057, 0x0058, 0x0059, 0x005A];
+var NonEscapeCharacter = ["\A", "\B", "\C", "\D", "\E", "\F", "\G", "\H", "\I", "\J", "\K", "\L", "\M", "\N", "\O", "\P", "\Q", "\R", "\S", "\T", "\U", "\V", "\W", "\X", "\Y", "\Z"];
+for (var index = 0; index <= 25; index++) {
+  if (String.fromCharCode(CharacterCode[index]) !== NonEscapeCharacter[index]) {
+    $ERROR('#' + NonEscapeCharacter[index] + ' ');
+  }
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/literals/string/S7.8.4_A4.2_T2.js b/js/src/tests/test262/language/literals/string/S7.8.4_A4.2_T2.js
new file mode 100644
index 0000000000..09595cbc2e
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/S7.8.4_A4.2_T2.js
@@ -0,0 +1,115 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: "CharacterEscapeSequnce :: NonEscapeSequence"
+es5id: 7.8.4_A4.2_T2
+description: "NonEscapeSequence :: ENGLISH CAPITAL ALPHABET"
+---*/
+
+//CHECK#A-Z
+if ("A" !== "\A") {
+  $ERROR('#A');
+}
+
+if ("B" !== "\B") {
+  $ERROR('#B');
+}
+
+if ("C" !== "\C") {
+  $ERROR('#C');
+}
+
+if ("D" !== "\D") {
+  $ERROR('#D');
+}
+
+if ("E" !== "\E") {
+  $ERROR('#E');
+}
+
+if ("F" !== "\F") {
+  $ERROR('#F');
+}
+
+if ("G" !== "\G") {
+  $ERROR('#G');
+}
+
+if ("H" !== "\H") {
+  $ERROR('#H');
+}
+
+if ("I" !== "\I") {
+  $ERROR('#I');
+}
+
+if ("J" !== "\J") {
+  $ERROR('#J');
+}
+
+if ("K" !== "\K") {
+  $ERROR('#K');
+}
+
+if ("L" !== "\L") {
+  $ERROR('#L');
+}
+
+if ("M" !== "\M") {
+  $ERROR('#M');
+}
+
+if ("N" !== "\N") {
+  $ERROR('#N');
+}
+
+if ("O" !== "\O") {
+  $ERROR('#O');
+}
+
+if ("P" !== "\P") {
+  $ERROR('#P');
+}
+
+if ("Q" !== "\Q") {
+  $ERROR('#Q');
+}
+
+if ("R" !== "\R") {
+  $ERROR('#R');
+}
+
+if ("S" !== "\S") {
+  $ERROR('#S');
+}
+
+if ("T" !== "\T") {
+  $ERROR('#T');
+}
+
+if ("U" !== "\U") {
+  $ERROR('#U');
+}
+
+if ("V" !== "\V") {
+  $ERROR('#V');
+}
+
+if ("W" !== "\W") {
+  $ERROR('#W');
+}
+
+if ("X" !== "\X") {
+  $ERROR('#X');
+}
+
+if ("Y" !== "\Y") {
+  $ERROR('#Y');
+}
+
+if ("Z" !== "\Z") {
+  $ERROR('#Z');
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/literals/string/S7.8.4_A4.2_T3.js b/js/src/tests/test262/language/literals/string/S7.8.4_A4.2_T3.js
new file mode 100644
index 0000000000..48f842df0f
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/S7.8.4_A4.2_T3.js
@@ -0,0 +1,19 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: "CharacterEscapeSequnce :: NonEscapeSequence"
+es5id: 7.8.4_A4.2_T3
+description: "NonEscapeSequence :: ENGLISH SMALL ALPHABET"
+---*/
+
+//CHECK#a-z without b, f, n, r, t, v, x, u
+var CharacterCode = [0x0061, 0x0063, 0x0064, 0x0065, 0x0067, 0x0068, 0x0069, 0x006A, 0x006B, 0x006C, 0x006D, 0x006F, 0x0070, 0x0071, 0x0073, 0x0077, 0x0079, 0x007A];
+var NonEscapeCharacter = ["\a", "\c", "\d", "\e", "\g", "\h", "\i", "\j", "\k", "\l", "\m", "\o", "\p", "\q", "\s", "\w", "\y", "\z"];
+for (var index = 0; index <= 17; index++) {
+  if (String.fromCharCode(CharacterCode[index]) !== NonEscapeCharacter[index]) {
+    $ERROR('#' + NonEscapeCharacter[index] + ' ');
+  }
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/literals/string/S7.8.4_A4.2_T4.js b/js/src/tests/test262/language/literals/string/S7.8.4_A4.2_T4.js
new file mode 100644
index 0000000000..84864e61d4
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/S7.8.4_A4.2_T4.js
@@ -0,0 +1,85 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: "CharacterEscapeSequnce :: NonEscapeSequence"
+es5id: 7.8.4_A4.2_T4
+description: "NonEscapeSequence :: ENGLISH SMALL ALPHABET"
+---*/
+
+//CHECK#a-z without b, f, n, r, t, v, x, u
+
+if ("a" !== "\a") {
+  $ERROR('#a');
+}
+
+if ("c" !== "\c") {
+  $ERROR('#c');
+}
+
+if ("d" !== "\d") {
+  $ERROR('#d');
+}
+
+if ("e" !== "\e") {
+  $ERROR('#e');
+}
+
+if ("g" !== "\g") {
+  $ERROR('#g');
+}
+
+if ("h" !== "\h") {
+  $ERROR('#h');
+}
+
+if ("i" !== "\i") {
+  $ERROR('#i');
+}
+
+if ("j" !== "\j") {
+  $ERROR('#j');
+}
+
+if ("k" !== "\k") {
+  $ERROR('#k');
+}
+
+if ("l" !== "\l") {
+  $ERROR('#l');
+}
+
+if ("m" !== "\m") {
+  $ERROR('#m');
+}
+
+
+if ("o" !== "\o") {
+  $ERROR('#o');
+}
+
+if ("p" !== "\p") {
+  $ERROR('#p');
+}
+
+if ("q" !== "\q") {
+  $ERROR('#q');
+}
+
+if ("s" !== "\s") {
+  $ERROR('#s');
+}
+
+if ("w" !== "\w") {
+  $ERROR('#w');
+}
+
+if ("y" !== "\y") {
+  $ERROR('#y');
+}
+
+if ("z" !== "\z") {
+  $ERROR('#z');
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/literals/string/S7.8.4_A4.2_T5.js b/js/src/tests/test262/language/literals/string/S7.8.4_A4.2_T5.js
new file mode 100644
index 0000000000..bb6c4dffd6
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/S7.8.4_A4.2_T5.js
@@ -0,0 +1,19 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: "CharacterEscapeSequnce :: NonEscapeSequence"
+es5id: 7.8.4_A4.2_T5
+description: "NonEscapeSequence :: RUSSIAN CAPITAL ALPHABET"
+---*/
+
+//CHECK#А-Я
+var CharacterCode = [0x0410, 0x0411, 0x0412, 0x0413, 0x0414, 0x0415, 0x0416, 0x0417, 0x0418, 0x0419, 0x041A, 0x041B, 0x041C, 0x041D, 0x041E, 0x041F, 0x0420, 0x0421, 0x0422, 0x0423, 0x0424, 0x0425, 0x0426, 0x0427, 0x0428, 0x0429, 0x042A, 0x042B, 0x042C, 0x042D, 0x042E, 0x042F, 0x0401];
+var NonEscapeCharacter = ["\А", "\Б", "\В", "\Г", "\Д", "\Е", "\Ж", "\З", "\И", "\Й", "\К", "\Л", "\М", "\Н", "\О", "\П", "\Р", "\С", "\Т", "\У", "\Ф", "\Х", "\Ц", "\Ч", "\Ш", "\Щ", "\Ъ", "\Ы", "\Ь", "\Э", "\Ю", "\Я", "\Ё"];
+for (var index = 0; index <= 32; index++) {
+  if (String.fromCharCode(CharacterCode[index]) !== NonEscapeCharacter[index]) {
+    $ERROR('#' + NonEscapeCharacter[index] + ' ');
+  }
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/literals/string/S7.8.4_A4.2_T6.js b/js/src/tests/test262/language/literals/string/S7.8.4_A4.2_T6.js
new file mode 100644
index 0000000000..f27218a501
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/S7.8.4_A4.2_T6.js
@@ -0,0 +1,144 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: "CharacterEscapeSequnce :: NonEscapeSequence"
+es5id: 7.8.4_A4.2_T6
+description: "NonEscapeSequence :: RUSSIAN CAPITAL ALPHABET"
+---*/
+
+//CHECK#А-Я
+
+if ("А" !== "\А") {
+  $ERROR('#А');
+}
+
+if ("Б" !== "\Б") {
+  $ERROR('#Б');
+}
+
+if ("В" !== "\В") {
+  $ERROR('#В');
+}
+
+if ("Г" !== "\Г") {
+  $ERROR('#Г');
+}
+
+if ("Д" !== "\Д") {
+  $ERROR('#Д');
+}
+
+if ("Е" !== "\Е") {
+  $ERROR('#Е');
+}
+
+if ("Ж" !== "\Ж") {
+  $ERROR('#Ж');
+}
+
+if ("З" !== "\З") {
+  $ERROR('#З');
+}
+
+if ("И" !== "\И") {
+  $ERROR('#И');
+}
+
+if ("Й" !== "\Й") {
+  $ERROR('#Й');
+}
+
+if ("К" !== "\К") {
+  $ERROR('#К');
+}
+
+if ("Л" !== "\Л") {
+  $ERROR('#Л');
+}
+
+if ("М" !== "\М") {
+  $ERROR('#М');
+}
+
+if ("Н" !== "\Н") {
+  $ERROR('#Н');
+}
+
+if ("О" !== "\О") {
+  $ERROR('#О');
+}
+
+if ("П" !== "\П") {
+  $ERROR('#П');
+}
+
+if ("Р" !== "\Р") {
+  $ERROR('#Р');
+}
+
+if ("С" !== "\С") {
+  $ERROR('#С');
+}
+
+if ("Т" !== "\Т") {
+  $ERROR('#Т');
+}
+
+if ("У" !== "\У") {
+  $ERROR('#У');
+}
+
+if ("Ф" !== "\Ф") {
+  $ERROR('#Ф');
+}
+
+if ("Х" !== "\Х") {
+  $ERROR('#Х');
+}
+
+if ("Ц" !== "\Ц") {
+  $ERROR('#Ц');
+}
+
+if ("Ч" !== "\Ч") {
+  $ERROR('#Ч');
+}
+
+if ("Ш" !== "\Ш") {
+  $ERROR('#Ш');
+}
+
+if ("Щ" !== "\Щ") {
+  $ERROR('#Щ');
+}
+
+if ("Ъ" !== "\Ъ") {
+  $ERROR('#Ъ');
+}
+
+if ("Ы" !== "\Ы") {
+  $ERROR('#Ы');
+}
+
+if ("Ь" !== "\Ь") {
+  $ERROR('#Ь');
+}
+
+if ("Э" !== "\Э") {
+  $ERROR('#Э');
+}
+
+if ("Ю" !== "\Ю") {
+  $ERROR('#Ю');
+}
+
+if ("Я" !== "\Я") {
+  $ERROR('#Я');
+}
+
+if ("Ё" !== "\Ё") {
+  $ERROR('#Ё');
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/literals/string/S7.8.4_A4.2_T7.js b/js/src/tests/test262/language/literals/string/S7.8.4_A4.2_T7.js
new file mode 100644
index 0000000000..12751a3a84
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/S7.8.4_A4.2_T7.js
@@ -0,0 +1,19 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: "CharacterEscapeSequnce :: NonEscapeSequence"
+es5id: 7.8.4_A4.2_T7
+description: "NonEscapeSequence :: RUSSIAN SMALL ALPHABET"
+---*/
+
+//CHECK#а-я
+var CharacterCode = [0x0430, 0x0431, 0x0432, 0x0433, 0x0434, 0x0435, 0x0436, 0x0437, 0x0438, 0x0439, 0x043A, 0x043B, 0x043C, 0x043D, 0x043E, 0x043F, 0x0440, 0x0441, 0x0442, 0x0443, 0x0444, 0x0445, 0x0446, 0x0447, 0x0448, 0x0449, 0x044A, 0x044B, 0x044C, 0x044D, 0x044E, 0x044F, 0x0451];
+var NonEscapeCharacter = ["\а", "\б", "\в", "\г", "\д", "\е", "\ж", "\з", "\и", "\й", "\к", "\л", "\м", "\н", "\о", "\п", "\р", "\с", "\т", "\у", "\ф", "\х", "\ц", "\ч", "\ш", "\щ", "\ъ", "\ы", "\ь", "\э", "\ю", "\я", "\ё"];
+for (var index = 0; index <= 32; index++) {
+  if (String.fromCharCode(CharacterCode[index]) !== NonEscapeCharacter[index]) {
+    $ERROR('#' + NonEscapeCharacter[index] + ' ');
+  }
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/literals/string/S7.8.4_A4.2_T8.js b/js/src/tests/test262/language/literals/string/S7.8.4_A4.2_T8.js
new file mode 100644
index 0000000000..3110f67f6f
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/S7.8.4_A4.2_T8.js
@@ -0,0 +1,144 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: "CharacterEscapeSequnce :: NonEscapeSequence"
+es5id: 7.8.4_A4.2_T8
+description: "NonEscapeSequence :: RUSSIAN SMALL ALPHABET"
+---*/
+
+//CHECK#а-я
+
+if ("а" !== "\а") {
+  $ERROR('#а');
+}
+
+if ("б" !== "\б") {
+  $ERROR('#б');
+}
+
+if ("в" !== "\в") {
+  $ERROR('#в');
+}
+
+if ("г" !== "\г") {
+  $ERROR('#г');
+}
+
+if ("д" !== "\д") {
+  $ERROR('#д');
+}
+
+if ("е" !== "\е") {
+  $ERROR('#е');
+}
+
+if ("ж" !== "\ж") {
+  $ERROR('#ж');
+}
+
+if ("з" !== "\з") {
+  $ERROR('#з');
+}
+
+if ("и" !== "\и") {
+  $ERROR('#и');
+}
+
+if ("й" !== "\й") {
+  $ERROR('#й');
+}
+
+if ("к" !== "\к") {
+  $ERROR('#к');
+}
+
+if ("л" !== "\л") {
+  $ERROR('#л');
+}
+
+if ("м" !== "\м") {
+  $ERROR('#м');
+}
+
+if ("н" !== "\н") {
+  $ERROR('#н');
+}
+
+if ("о" !== "\о") {
+  $ERROR('#о');
+}
+
+if ("п" !== "\п") {
+  $ERROR('#п');
+}
+
+if ("р" !== "\р") {
+  $ERROR('#р');
+}
+
+if ("с" !== "\с") {
+  $ERROR('#с');
+}
+
+if ("т" !== "\т") {
+  $ERROR('#т');
+}
+
+if ("у" !== "\у") {
+  $ERROR('#у');
+}
+
+if ("ф" !== "\ф") {
+  $ERROR('#ф');
+}
+
+if ("х" !== "\х") {
+  $ERROR('#х');
+}
+
+if ("ц" !== "\ц") {
+  $ERROR('#ц');
+}
+
+if ("ч" !== "\ч") {
+  $ERROR('#ч');
+}
+
+if ("ш" !== "\ш") {
+  $ERROR('#ш');
+}
+
+if ("щ" !== "\щ") {
+  $ERROR('#щ');
+}
+
+if ("ъ" !== "\ъ") {
+  $ERROR('#ъ');
+}
+
+if ("ы" !== "\ы") {
+  $ERROR('#ы');
+}
+
+if ("ь" !== "\ь") {
+  $ERROR('#ь');
+}
+
+if ("э" !== "\э") {
+  $ERROR('#э');
+}
+
+if ("ю" !== "\ю") {
+  $ERROR('#ю');
+}
+
+if ("я" !== "\я") {
+  $ERROR('#я');
+}
+
+if ("ё" !== "\ё") {
+  $ERROR('#ё');
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/literals/string/S7.8.4_A4.3_T1-strict.js b/js/src/tests/test262/language/literals/string/S7.8.4_A4.3_T1-strict.js
new file mode 100644
index 0000000000..e691313b80
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/S7.8.4_A4.3_T1-strict.js
@@ -0,0 +1,18 @@
+// |reftest| error:SyntaxError
+'use strict';
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: NonEscapeSequence is not EscapeCharacter
+es5id: 7.8.4_A4.3_T1
+description: "EscapeCharacter :: DecimalDigits :: 1"
+negative:
+  phase: parse
+  type: SyntaxError
+flags: [onlyStrict]
+---*/
+
+$DONOTEVALUATE();
+
+"\1"
diff --git a/js/src/tests/test262/language/literals/string/S7.8.4_A4.3_T2-strict.js b/js/src/tests/test262/language/literals/string/S7.8.4_A4.3_T2-strict.js
new file mode 100644
index 0000000000..53b059e5bd
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/S7.8.4_A4.3_T2-strict.js
@@ -0,0 +1,18 @@
+// |reftest| error:SyntaxError
+'use strict';
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: NonEscapeSequence is not EscapeCharacter
+es5id: 7.8.4_A4.3_T2
+description: "EscapeCharacter :: DecimalDigits :: 7"
+negative:
+  phase: parse
+  type: SyntaxError
+flags: [onlyStrict]
+---*/
+
+$DONOTEVALUATE();
+
+"\7"
diff --git a/js/src/tests/test262/language/literals/string/S7.8.4_A4.3_T7.js b/js/src/tests/test262/language/literals/string/S7.8.4_A4.3_T7.js
new file mode 100644
index 0000000000..71d3676073
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/S7.8.4_A4.3_T7.js
@@ -0,0 +1,35 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: NonEscapeSequence is not EscapeCharacter
+es5id: 7.8.4_A4.3_T7
+description: "EscapeCharacter :: SingleEscapeCharacter :: one of b f n r t v"
+---*/
+
+//CHECK#bfnrtv
+if ("b" === "\b") {
+  $ERROR('#b');
+}
+
+if ("f" === "\f") {
+  $ERROR('#f');
+}
+
+if ("n" === "\n") {
+  $ERROR('#n');
+}
+
+if ("r" === "\r") {
+  $ERROR('#r');
+}
+
+if ("t" === "\t") {
+  $ERROR('#t');
+}
+
+if ("v" === "\v") {
+  $ERROR('#v');
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/literals/string/S7.8.4_A5.1_T1.js b/js/src/tests/test262/language/literals/string/S7.8.4_A5.1_T1.js
new file mode 100644
index 0000000000..125d8d52cb
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/S7.8.4_A5.1_T1.js
@@ -0,0 +1,15 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: "EscapeSequence :: 0"
+es5id: 7.8.4_A5.1_T1
+description: String.fromCharCode(0x0000)
+---*/
+
+//CHECK#1
+if (String.fromCharCode(0x0000) !== "\0") {
+  $ERROR('#1: String.fromCharCode(0x0000) === "\\0"');
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/literals/string/S7.8.4_A5.1_T2.js b/js/src/tests/test262/language/literals/string/S7.8.4_A5.1_T2.js
new file mode 100644
index 0000000000..49938f8278
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/S7.8.4_A5.1_T2.js
@@ -0,0 +1,15 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: "EscapeSequence :: 0"
+es5id: 7.8.4_A5.1_T2
+description: "\"\\u0000\""
+---*/
+
+//CHECK#1
+if ("\u0000" !== "\0") {
+  $ERROR('#1: "\\u0000" === "\\0"');
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/literals/string/S7.8.4_A5.1_T3.js b/js/src/tests/test262/language/literals/string/S7.8.4_A5.1_T3.js
new file mode 100644
index 0000000000..56bacd2cfc
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/S7.8.4_A5.1_T3.js
@@ -0,0 +1,15 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: "EscapeSequence :: 0"
+es5id: 7.8.4_A5.1_T3
+description: "\"\\x00\""
+---*/
+
+//CHECK#1
+if ("\x00" !== "\0") {
+  $ERROR('#1: "\\x00" === "\\0"');
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/literals/string/S7.8.4_A6.1_T1.js b/js/src/tests/test262/language/literals/string/S7.8.4_A6.1_T1.js
new file mode 100644
index 0000000000..7d117a8007
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/S7.8.4_A6.1_T1.js
@@ -0,0 +1,90 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: "EscapeSequence :: HexEscapeSequence :: x HexDigit HexDigit"
+es5id: 7.8.4_A6.1_T1
+description: "HexEscapeSequence ::  HexDigit"
+---*/
+
+//CHECK#0
+if ("\x00" !== String.fromCharCode("0")) {
+  $ERROR('#0: "\\x00" === String.fromCharCode("0")');
+}
+
+//CHECK#1
+if ("\x01" !== String.fromCharCode("1")) {
+  $ERROR('#1: "\\x01" === String.fromCharCode("1")');
+}
+
+//CHECK#2
+if ("\x02" !== String.fromCharCode("2")) {
+  $ERROR('#2: "\\x02" === String.fromCharCode("2")');
+}
+
+//CHECK#3
+if ("\x03" !== String.fromCharCode("3")) {
+  $ERROR('#3: "\\x03" === String.fromCharCode("3")');
+}
+
+//CHECK#4
+if ("\x04" !== String.fromCharCode("4")) {
+  $ERROR('#4: "\\x04" === String.fromCharCode("4")');
+}
+
+//CHECK#5
+if ("\x05" !== String.fromCharCode("5")) {
+  $ERROR('#5: "\\x05" === String.fromCharCode("5")');
+}
+
+//CHECK#6
+if ("\x06" !== String.fromCharCode("6")) {
+  $ERROR('#6: "\\x06" === String.fromCharCode("6")');
+}
+
+//CHECK#7
+if ("\x07" !== String.fromCharCode("7")) {
+  $ERROR('#7: "\\x07" === String.fromCharCode("7")');
+}
+
+//CHECK#8
+if ("\x08" !== String.fromCharCode("8")) {
+  $ERROR('#8: "\\x08" === String.fromCharCode("8")');
+}
+
+//CHECK#9
+if ("\x09" !== String.fromCharCode("9")) {
+  $ERROR('#9: "\\x09" === String.fromCharCode("9")');
+}
+
+//CHECK#A
+if ("\x0A" !== String.fromCharCode("10")) {
+  $ERROR('#A: "\\x0A" === String.fromCharCode("10")');
+}
+
+//CHECK#B
+if ("\x0B" !== String.fromCharCode("11")) {
+  $ERROR('#B: "\\x0B" === String.fromCharCode("11")');
+}
+
+//CHECK#C
+if ("\x0C" !== String.fromCharCode("12")) {
+  $ERROR('#C: "\\x0C" === String.fromCharCode("12")');
+}
+
+//CHECK#D
+if ("\x0D" !== String.fromCharCode("13")) {
+  $ERROR('#D: "\\x0D" === String.fromCharCode("13")');
+}
+
+//CHECK#E
+if ("\x0E" !== String.fromCharCode("14")) {
+  $ERROR('#E: "\\x0E" === String.fromCharCode("14")');
+}
+
+//CHECK#F
+if ("\x0F" !== String.fromCharCode("15")) {
+  $ERROR('#F: "\\x0F" === String.fromCharCode("15")');
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/literals/string/S7.8.4_A6.1_T2.js b/js/src/tests/test262/language/literals/string/S7.8.4_A6.1_T2.js
new file mode 100644
index 0000000000..73b4abfd2a
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/S7.8.4_A6.1_T2.js
@@ -0,0 +1,19 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: "EscapeSequence :: HexEscapeSequence :: x HexDigit HexDigit"
+es5id: 7.8.4_A6.1_T2
+description: "HexEscapeSequence ::  ENGLISH CAPITAL ALPHABET"
+---*/
+
+//CHECK#A-Z
+var hex = ["\x41", "\x42", "\x43", "\x44", "\x45", "\x46", "\x47", "\x48", "\x49", "\x4A", "\x4B", "\x4C", "\x4D", "\x4E", "\x4F", "\x50", "\x51", "\x52", "\x53", "\x54", "\x55", "\x56", "\x57", "\x58", "\x59", "\x5A"];
+var character = ["A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z"];
+for (var index = 0; index <= 25; index++) {
+  if (hex[index] !== character[index]) {
+    $ERROR('#' + character[index] + ' ');
+  }
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/literals/string/S7.8.4_A6.1_T3.js b/js/src/tests/test262/language/literals/string/S7.8.4_A6.1_T3.js
new file mode 100644
index 0000000000..d82ff5c0ca
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/S7.8.4_A6.1_T3.js
@@ -0,0 +1,19 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: "EscapeSequence :: HexEscapeSequence :: x HexDigit HexDigit"
+es5id: 7.8.4_A6.1_T3
+description: "HexEscapeSequence ::  ENGLISH SMALL ALPHABET"
+---*/
+
+//CHECK#a-z
+var hex = ["\x61", "\x62", "\x63", "\x64", "\x65", "\x66", "\x67", "\x68", "\x69", "\x6A", "\x6B", "\x6C", "\x6D", "\x6E", "\x6F", "\x70", "\x71", "\x72", "\x73", "\x74", "\x75", "\x76", "\x77", "\x78", "\x79", "\x7A"];
+var character = ["a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z"];
+for (var index = 0; index <= 25; index++) {
+  if (hex[index] !== character[index]) {
+    $ERROR('#' + character[index] + ' ');
+  }
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/literals/string/S7.8.4_A6.3_T1.js b/js/src/tests/test262/language/literals/string/S7.8.4_A6.3_T1.js
new file mode 100644
index 0000000000..5b5941130e
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/S7.8.4_A6.3_T1.js
@@ -0,0 +1,85 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: \x HexDigit HexDigit SingleStringCharacter
+es5id: 7.8.4_A6.3_T1
+description: Check similar to ('\x01F' === String.fromCharCode('1') + 'F')
+---*/
+
+//CHECK#1
+if ('\x01F' !== String.fromCharCode('1') + 'F') {
+  $ERROR("#1: '\x01F' === String.fromCharCode('1') + 'F'");
+}
+
+//CHECK#2
+if ('\x02E' !== String.fromCharCode('2') + 'E') {
+  $ERROR("#2: '\x02E' === String.fromCharCode('2') + 'E'");
+}
+
+//CHECK#3
+if ('\x03D' !== String.fromCharCode('3') + 'D') {
+  $ERROR("#3: '\x03D' === String.fromCharCode('3') + 'D'");
+}
+
+//CHECK#4
+if ('\x04C' !== String.fromCharCode('4') + 'C') {
+  $ERROR("#4: '\x04C' === String.fromCharCode('4') + 'C'");
+}
+
+//CHECK#5
+if ('\x05B' !== String.fromCharCode('5') + 'B') {
+  $ERROR("#5: '\x05B' === String.fromCharCode('5') + 'B'");
+}
+
+//CHECK#6
+if ('\x06A' !== String.fromCharCode('6') + 'A') {
+  $ERROR("#6: '\x06A' === String.fromCharCode('6') + 'A'");
+}
+
+//CHECK#7
+if ('\x079' !== String.fromCharCode('7') + '9') {
+  $ERROR("#7: '\x079' === String.fromCharCode('7') + '9'");
+}
+
+//CHECK#8
+if ('\x088' !== String.fromCharCode('8') + '8') {
+  $ERROR("#8: '\x088' === String.fromCharCode('8') + '8'");
+}
+
+//CHECK#9
+if ('\x097' !== String.fromCharCode('9') + '7') {
+  $ERROR("#9: '\x097' === String.fromCharCode('9') + '7'");
+}
+
+//CHECK#A
+if ('\x0A6' !== String.fromCharCode('10') + '6') {
+  $ERROR("#A: '\x0A6' === String.fromCharCode('10') + '6'");
+}
+
+//CHECK#B
+if ('\x0B5' !== String.fromCharCode('11') + '5') {
+  $ERROR("#B: '\x0B5' === String.fromCharCode('11') + '5'");
+}
+
+//CHECK#C
+if ('\x0C4' !== String.fromCharCode('12') + '4') {
+  $ERROR("#C: '\x0C4' === String.fromCharCode('12') + '4'");
+}
+
+//CHECK#D
+if ('\x0D3' !== String.fromCharCode('13') + '3') {
+  $ERROR("#D: '\x0D3' === String.fromCharCode('13') + '3'");
+}
+
+//CHECK#E
+if ('\x0E2' !== String.fromCharCode('14') + '2') {
+  $ERROR("#E: '\x0E2' === String.fromCharCode('14') + '2'");
+}
+
+//CHECK#F
+if ('\x0F1' !== String.fromCharCode('15') + '1') {
+  $ERROR("#F: '\x0F1' === String.fromCharCode('15') + '1'");
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/literals/string/S7.8.4_A7.1_T1.js b/js/src/tests/test262/language/literals/string/S7.8.4_A7.1_T1.js
new file mode 100644
index 0000000000..f467eb891b
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/S7.8.4_A7.1_T1.js
@@ -0,0 +1,92 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: |
+    EscapeSequence :: UnicodeEscapeSequence :: u HexDigit HexDigit HexDigit
+    HexDigit
+es5id: 7.8.4_A7.1_T1
+description: Check similar to ("\u0000" === String.fromCharCode("0"))
+---*/
+
+//CHECK#0
+if ("\u0000" !== String.fromCharCode("0")) {
+  $ERROR('#0: "\\u0000" === String.fromCharCode("0")');
+}
+
+//CHECK#1
+if ("\u0001" !== String.fromCharCode("1")) {
+  $ERROR('#1: "\\u0001" === String.fromCharCode("1")');
+}
+
+//CHECK#2
+if ("\u0002" !== String.fromCharCode("2")) {
+  $ERROR('#2: "\\u0002" === String.fromCharCode("2")');
+}
+
+//CHECK#3
+if ("\u0003" !== String.fromCharCode("3")) {
+  $ERROR('#3: "\\u0003" === String.fromCharCode("3")');
+}
+
+//CHECK#4
+if ("\u0004" !== String.fromCharCode("4")) {
+  $ERROR('#4: "\\u0004" === String.fromCharCode("4")');
+}
+
+//CHECK#5
+if ("\u0005" !== String.fromCharCode("5")) {
+  $ERROR('#5: "\\u0005" === String.fromCharCode("5")');
+}
+
+//CHECK#6
+if ("\u0006" !== String.fromCharCode("6")) {
+  $ERROR('#6: "\\u0006" === String.fromCharCode("6")');
+}
+
+//CHECK#7
+if ("\u0007" !== String.fromCharCode("7")) {
+  $ERROR('#7: "\\u0007" === String.fromCharCode("7")');
+}
+
+//CHECK#8
+if ("\u0008" !== String.fromCharCode("8")) {
+  $ERROR('#8: "\\u0008" === String.fromCharCode("8")');
+}
+
+//CHECK#9
+if ("\u0009" !== String.fromCharCode("9")) {
+  $ERROR('#9: "\\u0009" === String.fromCharCode("9")');
+}
+
+//CHECK#A
+if ("\u000A" !== String.fromCharCode("10")) {
+  $ERROR('#A: "\\u000A" === String.fromCharCode("10")');
+}
+
+//CHECK#B
+if ("\u000B" !== String.fromCharCode("11")) {
+  $ERROR('#B: "\\u000B" === String.fromCharCode("11")');
+}
+
+//CHECK#C
+if ("\u000C" !== String.fromCharCode("12")) {
+  $ERROR('#C: "\\u000C" === String.fromCharCode("12")');
+}
+
+//CHECK#D
+if ("\u000D" !== String.fromCharCode("13")) {
+  $ERROR('#D: "\\u000D" === String.fromCharCode("13")');
+}
+
+//CHECK#E
+if ("\u000E" !== String.fromCharCode("14")) {
+  $ERROR('#E: "\\u000E" === String.fromCharCode("14")');
+}
+
+//CHECK#F
+if ("\u000F" !== String.fromCharCode("15")) {
+  $ERROR('#F: "\\u000F" === String.fromCharCode("15")');
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/literals/string/S7.8.4_A7.1_T2.js b/js/src/tests/test262/language/literals/string/S7.8.4_A7.1_T2.js
new file mode 100644
index 0000000000..485d26d670
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/S7.8.4_A7.1_T2.js
@@ -0,0 +1,21 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: |
+    EscapeSequence :: UnicodeEscapeSequence :: u HexDigit HexDigit HexDigit
+    HexDigit
+es5id: 7.8.4_A7.1_T2
+description: "UnicodeEscapeSequence ::  ENGLISH CAPITAL ALPHABET"
+---*/
+
+//CHECK#A-Z
+var unicode = ["\u0041", "\u0042", "\u0043", "\u0044", "\u0045", "\u0046", "\u0047", "\u0048", "\u0049", "\u004A", "\u004B", "\u004C", "\u004D", "\u004E", "\u004F", "\u0050", "\u0051", "\u0052", "\u0053", "\u0054", "\u0055", "\u0056", "\u0057", "\u0058", "\u0059", "\u005A"];
+var character = ["A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z"];
+for (var index = 0; index <= 25; index++) {
+  if (unicode[index] !== character[index]) {
+    $ERROR('#' + character[index] + ' ');
+  }
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/literals/string/S7.8.4_A7.1_T3.js b/js/src/tests/test262/language/literals/string/S7.8.4_A7.1_T3.js
new file mode 100644
index 0000000000..9a6035cd3b
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/S7.8.4_A7.1_T3.js
@@ -0,0 +1,21 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: |
+    EscapeSequence :: UnicodeEscapeSequence :: u HexDigit HexDigit HexDigit
+    HexDigit
+es5id: 7.8.4_A7.1_T3
+description: "UnicodeEscapeSequence ::  ENGLISH SMALL ALPHABET"
+---*/
+
+//CHECK#a-z
+var unicode = ["\u0061", "\u0062", "\u0063", "\u0064", "\u0065", "\u0066", "\u0067", "\u0068", "\u0069", "\u006A", "\u006B", "\u006C", "\u006D", "\u006E", "\u006F", "\u0070", "\u0071", "\u0072", "\u0073", "\u0074", "\u0075", "\u0076", "\u0077", "\u0078", "\u0079", "\u007A"];
+var character = ["a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z"];
+for (var index = 0; index <= 25; index++) {
+  if (unicode[index] !== character[index]) {
+    $ERROR('#' + character[index] + ' ');
+  }
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/literals/string/S7.8.4_A7.1_T4.js b/js/src/tests/test262/language/literals/string/S7.8.4_A7.1_T4.js
new file mode 100644
index 0000000000..bd1b245899
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/S7.8.4_A7.1_T4.js
@@ -0,0 +1,19 @@
+// |reftest| error:SyntaxError
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: |
+    EscapeSequence :: UnicodeEscapeSequence :: u HexDigit HexDigit HexDigit
+    HexDigit
+es5id: 7.8.4_A7.1_T4
+description: "UnicodeEscapeSequence :: u000G is incorrect"
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+//CHECK#
+"\u000G"
diff --git a/js/src/tests/test262/language/literals/string/S7.8.4_A7.2_T1.js b/js/src/tests/test262/language/literals/string/S7.8.4_A7.2_T1.js
new file mode 100644
index 0000000000..7bcbb19995
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/S7.8.4_A7.2_T1.js
@@ -0,0 +1,17 @@
+// |reftest| error:SyntaxError
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: "UnicodeEscapeSequence :: u HexDigit (one, two or three time) is incorrect"
+es5id: 7.8.4_A7.2_T1
+description: ":: HexDigit :: 1"
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+//CHECK#1
+"\u1"
diff --git a/js/src/tests/test262/language/literals/string/S7.8.4_A7.2_T2.js b/js/src/tests/test262/language/literals/string/S7.8.4_A7.2_T2.js
new file mode 100644
index 0000000000..f3be7fe4b2
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/S7.8.4_A7.2_T2.js
@@ -0,0 +1,17 @@
+// |reftest| error:SyntaxError
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: "UnicodeEscapeSequence :: u HexDigit (one, two or three time) is incorrect"
+es5id: 7.8.4_A7.2_T2
+description: ":: HexDigit :: A"
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+//CHECK#1
+"\uA"
diff --git a/js/src/tests/test262/language/literals/string/S7.8.4_A7.2_T3.js b/js/src/tests/test262/language/literals/string/S7.8.4_A7.2_T3.js
new file mode 100644
index 0000000000..56653c6b5b
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/S7.8.4_A7.2_T3.js
@@ -0,0 +1,17 @@
+// |reftest| error:SyntaxError
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: "UnicodeEscapeSequence :: u HexDigit (one, two or three time) is incorrect"
+es5id: 7.8.4_A7.2_T3
+description: ":: HexDigit :: 1"
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+//CHECK#1
+"\u11"
diff --git a/js/src/tests/test262/language/literals/string/S7.8.4_A7.2_T4.js b/js/src/tests/test262/language/literals/string/S7.8.4_A7.2_T4.js
new file mode 100644
index 0000000000..56706fb2b4
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/S7.8.4_A7.2_T4.js
@@ -0,0 +1,17 @@
+// |reftest| error:SyntaxError
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: "UnicodeEscapeSequence :: u HexDigit (one, two or three time) is incorrect"
+es5id: 7.8.4_A7.2_T4
+description: ":: HexDigit :: A"
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+//CHECK#1
+"\uAA"
diff --git a/js/src/tests/test262/language/literals/string/S7.8.4_A7.2_T5.js b/js/src/tests/test262/language/literals/string/S7.8.4_A7.2_T5.js
new file mode 100644
index 0000000000..4844492a87
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/S7.8.4_A7.2_T5.js
@@ -0,0 +1,17 @@
+// |reftest| error:SyntaxError
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: "UnicodeEscapeSequence :: u HexDigit (one, two or three time) is incorrect"
+es5id: 7.8.4_A7.2_T5
+description: ":: HexDigit :: 1"
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+//CHECK#1
+"\u111"
diff --git a/js/src/tests/test262/language/literals/string/S7.8.4_A7.2_T6.js b/js/src/tests/test262/language/literals/string/S7.8.4_A7.2_T6.js
new file mode 100644
index 0000000000..b948f46099
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/S7.8.4_A7.2_T6.js
@@ -0,0 +1,17 @@
+// |reftest| error:SyntaxError
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: "UnicodeEscapeSequence :: u HexDigit (one, two or three time) is incorrect"
+es5id: 7.8.4_A7.2_T6
+description: ":: HexDigit :: A"
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+//CHECK#1
+"\uAAA"
diff --git a/js/src/tests/test262/language/literals/string/S7.8.4_A7.3_T1.js b/js/src/tests/test262/language/literals/string/S7.8.4_A7.3_T1.js
new file mode 100644
index 0000000000..76b99ecd04
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/S7.8.4_A7.3_T1.js
@@ -0,0 +1,85 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: \u HexDigit HexDigit HexDigit HexDigit DoubleStringCharacter
+es5id: 7.8.4_A7.3_T1
+description: Check similar to ("\u0001F" === String.fromCharCode("1") + "F")
+---*/
+
+//CHECK#1
+if ("\u0001F" !== String.fromCharCode("1") + "F") {
+  $ERROR('#1: "\\u0001F" === String.fromCharCode("1") + "F"');
+}
+
+//CHECK#2
+if ("\u0002E" !== String.fromCharCode("2") + "E") {
+  $ERROR('#2: "\\u0002E" === String.fromCharCode("2") + "E"');
+}
+
+//CHECK#3
+if ("\u0003D" !== String.fromCharCode("3") + "D") {
+  $ERROR('#3: "\\u0003D" === String.fromCharCode("3") + "D"');
+}
+
+//CHECK#4
+if ("\u0004C" !== String.fromCharCode("4") + "C") {
+  $ERROR('#4: "\\u0004C" === String.fromCharCode("4") + "C"');
+}
+
+//CHECK#5
+if ("\u0005B" !== String.fromCharCode("5") + "B") {
+  $ERROR('#5: "\\u0005B" === String.fromCharCode("5") + "B"');
+}
+
+//CHECK#6
+if ("\u0006A" !== String.fromCharCode("6") + "A") {
+  $ERROR('#6: "\\u0006A" === String.fromCharCode("6") + "A"');
+}
+
+//CHECK#7
+if ("\u00079" !== String.fromCharCode("7") + "9") {
+  $ERROR('#7: "\\u00079" === String.fromCharCode("7") + "9"');
+}
+
+//CHECK#8
+if ("\u00088" !== String.fromCharCode("8") + "8") {
+  $ERROR('#8: "\\u00088" === String.fromCharCode("8") + "8"');
+}
+
+//CHECK#9
+if ("\u00097" !== String.fromCharCode("9") + "7") {
+  $ERROR('#9: "\\u00097" === String.fromCharCode("9") + "7"');
+}
+
+//CHECK#A
+if ("\u000A6" !== String.fromCharCode("10") + "6") {
+  $ERROR('#A: "\\u000A6" === String.fromCharCode("10") + "6"');
+}
+
+//CHECK#B
+if ("\u000B5" !== String.fromCharCode("11") + "5") {
+  $ERROR('#B: "\\u000B5" === String.fromCharCode("11") + "5"');
+}
+
+//CHECK#C
+if ("\u000C4" !== String.fromCharCode("12") + "4") {
+  $ERROR('#C: "\\u000C4" === String.fromCharCode("12") + "4"');
+}
+
+//CHECK#D
+if ("\u000D3" !== String.fromCharCode("13") + "3") {
+  $ERROR('#D: "\\u000D3" === String.fromCharCode("13") + "3"');
+}
+
+//CHECK#E
+if ("\u000E2" !== String.fromCharCode("14") + "2") {
+  $ERROR('#E: "\\u000E2" === String.fromCharCode("14") + "2"');
+}
+
+//CHECK#F
+if ("\u000F1" !== String.fromCharCode("15") + "1") {
+  $ERROR('#F: "\\u000F1" === String.fromCharCode("15") + "1"');
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/literals/string/browser.js b/js/src/tests/test262/language/literals/string/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/browser.js
diff --git a/js/src/tests/test262/language/literals/string/legacy-non-octal-escape-sequence-1-strict-explicit-pragma.js b/js/src/tests/test262/language/literals/string/legacy-non-octal-escape-sequence-1-strict-explicit-pragma.js
new file mode 100644
index 0000000000..9bbcb6ea0c
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/legacy-non-octal-escape-sequence-1-strict-explicit-pragma.js
@@ -0,0 +1,27 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2020 Rick Waldron Inc. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-additional-syntax-string-literals
+description: >
+  String Literals extensions disallowed in strict mode; ZeroToThree 1
+info: |
+  It is possible for string literals to precede a Use Strict Directive that places the enclosing
+  code in strict mode, and implementations must take care to not use this extended definition of
+  EscapeSequence with such literals. For example, attempting to parse the following source text
+  must fail.
+
+  Strict mode is entered via the explicit Use Strict Directive.
+
+  ZeroToThree::one of
+    0 1 2 3
+
+flags: [noStrict]
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+function invalid() { "\1"; "use strict"; }
diff --git a/js/src/tests/test262/language/literals/string/legacy-non-octal-escape-sequence-2-strict-explicit-pragma.js b/js/src/tests/test262/language/literals/string/legacy-non-octal-escape-sequence-2-strict-explicit-pragma.js
new file mode 100644
index 0000000000..6e4d343074
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/legacy-non-octal-escape-sequence-2-strict-explicit-pragma.js
@@ -0,0 +1,27 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2020 Rick Waldron Inc. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-additional-syntax-string-literals
+description: >
+  String Literals extensions disallowed in strict mode; ZeroToThree 2
+info: |
+  It is possible for string literals to precede a Use Strict Directive that places the enclosing
+  code in strict mode, and implementations must take care to not use this extended definition of
+  EscapeSequence with such literals. For example, attempting to parse the following source text
+  must fail.
+
+  Strict mode is entered via the explicit Use Strict Directive.
+
+  ZeroToThree::one of
+    0 1 2 3
+
+flags: [noStrict]
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+function invalid() { "\2"; "use strict"; }
diff --git a/js/src/tests/test262/language/literals/string/legacy-non-octal-escape-sequence-3-strict-explicit-pragma.js b/js/src/tests/test262/language/literals/string/legacy-non-octal-escape-sequence-3-strict-explicit-pragma.js
new file mode 100644
index 0000000000..199aea6e0b
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/legacy-non-octal-escape-sequence-3-strict-explicit-pragma.js
@@ -0,0 +1,27 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2020 Rick Waldron Inc. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-additional-syntax-string-literals
+description: >
+  String Literals extensions disallowed in strict mode; ZeroToThree 3
+info: |
+  It is possible for string literals to precede a Use Strict Directive that places the enclosing
+  code in strict mode, and implementations must take care to not use this extended definition of
+  EscapeSequence with such literals. For example, attempting to parse the following source text
+  must fail.
+
+  Strict mode is entered via the explicit Use Strict Directive.
+
+  ZeroToThree::one of
+    0 1 2 3
+
+flags: [noStrict]
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+function invalid() { "\3"; "use strict"; }
diff --git a/js/src/tests/test262/language/literals/string/legacy-non-octal-escape-sequence-4-strict-explicit-pragma.js b/js/src/tests/test262/language/literals/string/legacy-non-octal-escape-sequence-4-strict-explicit-pragma.js
new file mode 100644
index 0000000000..09e7685955
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/legacy-non-octal-escape-sequence-4-strict-explicit-pragma.js
@@ -0,0 +1,27 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2020 Rick Waldron Inc. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-additional-syntax-string-literals
+description: >
+  String Literals extensions disallowed in strict mode; FourToSeven 4
+info: |
+  It is possible for string literals to precede a Use Strict Directive that places the enclosing
+  code in strict mode, and implementations must take care to not use this extended definition of
+  EscapeSequence with such literals. For example, attempting to parse the following source text
+  must fail.
+
+  Strict mode is entered via the explicit Use Strict Directive.
+
+  FourToSeven::one of
+    4 5 6 7
+
+flags: [noStrict]
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+function invalid() { "\4"; "use strict"; }
diff --git a/js/src/tests/test262/language/literals/string/legacy-non-octal-escape-sequence-5-strict-explicit-pragma.js b/js/src/tests/test262/language/literals/string/legacy-non-octal-escape-sequence-5-strict-explicit-pragma.js
new file mode 100644
index 0000000000..7a2ed8486c
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/legacy-non-octal-escape-sequence-5-strict-explicit-pragma.js
@@ -0,0 +1,27 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2020 Rick Waldron Inc. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-additional-syntax-string-literals
+description: >
+  String Literals extensions disallowed in strict mode; FourToSeven 5
+info: |
+  It is possible for string literals to precede a Use Strict Directive that places the enclosing
+  code in strict mode, and implementations must take care to not use this extended definition of
+  EscapeSequence with such literals. For example, attempting to parse the following source text
+  must fail.
+
+  Strict mode is entered via the explicit Use Strict Directive.
+
+  FourToSeven::one of
+    4 5 6 7
+
+flags: [noStrict]
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+function invalid() { "\5"; "use strict"; }
diff --git a/js/src/tests/test262/language/literals/string/legacy-non-octal-escape-sequence-6-strict-explicit-pragma.js b/js/src/tests/test262/language/literals/string/legacy-non-octal-escape-sequence-6-strict-explicit-pragma.js
new file mode 100644
index 0000000000..9eea1c947d
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/legacy-non-octal-escape-sequence-6-strict-explicit-pragma.js
@@ -0,0 +1,27 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2020 Rick Waldron Inc. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-additional-syntax-string-literals
+description: >
+  String Literals extensions disallowed in strict mode; FourToSeven 6
+info: |
+  It is possible for string literals to precede a Use Strict Directive that places the enclosing
+  code in strict mode, and implementations must take care to not use this extended definition of
+  EscapeSequence with such literals. For example, attempting to parse the following source text
+  must fail.
+
+  Strict mode is entered via the explicit Use Strict Directive.
+
+  FourToSeven::one of
+    4 5 6 7
+
+flags: [noStrict]
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+function invalid() { "\6"; "use strict"; }
diff --git a/js/src/tests/test262/language/literals/string/legacy-non-octal-escape-sequence-7-strict-explicit-pragma.js b/js/src/tests/test262/language/literals/string/legacy-non-octal-escape-sequence-7-strict-explicit-pragma.js
new file mode 100644
index 0000000000..fa5220edbc
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/legacy-non-octal-escape-sequence-7-strict-explicit-pragma.js
@@ -0,0 +1,27 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2020 Rick Waldron Inc. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-additional-syntax-string-literals
+description: >
+  String Literals extensions disallowed in strict mode; FourToSeven 7
+info: |
+  It is possible for string literals to precede a Use Strict Directive that places the enclosing
+  code in strict mode, and implementations must take care to not use this extended definition of
+  EscapeSequence with such literals. For example, attempting to parse the following source text
+  must fail.
+
+  Strict mode is entered via the explicit Use Strict Directive.
+
+  FourToSeven::one of
+    4 5 6 7
+
+flags: [noStrict]
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+function invalid() { "\7"; "use strict"; }
diff --git a/js/src/tests/test262/language/literals/string/legacy-non-octal-escape-sequence-8-strict-explicit-pragma.js b/js/src/tests/test262/language/literals/string/legacy-non-octal-escape-sequence-8-strict-explicit-pragma.js
new file mode 100644
index 0000000000..3ab6c4c23f
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/legacy-non-octal-escape-sequence-8-strict-explicit-pragma.js
@@ -0,0 +1,27 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2020 Rick Waldron Inc. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-additional-syntax-string-literals
+description: >
+  String Literals extensions disallowed in strict mode; NonOctalDecimalEscapeSequence 8
+info: |
+  It is possible for string literals to precede a Use Strict Directive that places the enclosing
+  code in strict mode, and implementations must take care to not use this extended definition of
+  EscapeSequence with such literals. For example, attempting to parse the following source text
+  must fail.
+
+  Strict mode is entered via the explicit Use Strict Directive.
+
+  NonOctalDecimalEscapeSequence::one of
+    8 9
+
+flags: [noStrict]
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+function invalid() { "\8"; "use strict"; }
diff --git a/js/src/tests/test262/language/literals/string/legacy-non-octal-escape-sequence-8-strict-strict.js b/js/src/tests/test262/language/literals/string/legacy-non-octal-escape-sequence-8-strict-strict.js
new file mode 100644
index 0000000000..e7bbd63101
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/legacy-non-octal-escape-sequence-8-strict-strict.js
@@ -0,0 +1,21 @@
+// |reftest| error:SyntaxError
+'use strict';
+// Copyright (C) 2020 Sony Interactive Entertainment Inc. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-literals-string-literals
+description: >
+    LegacyOctalEscapeSequence is not enabled in strict mode code
+    (regardless of the presence of Annex B)
+info: |
+    A conforming implementation, when processing strict mode code, must not extend the
+    syntax of EscapeSequence to include LegacyOctalEscapeSequence as described in B.1.2.
+flags: [onlyStrict]
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+'\8';
diff --git a/js/src/tests/test262/language/literals/string/legacy-non-octal-escape-sequence-9-strict-explicit-pragma.js b/js/src/tests/test262/language/literals/string/legacy-non-octal-escape-sequence-9-strict-explicit-pragma.js
new file mode 100644
index 0000000000..13fea4f540
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/legacy-non-octal-escape-sequence-9-strict-explicit-pragma.js
@@ -0,0 +1,27 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2020 Rick Waldron Inc. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-additional-syntax-string-literals
+description: >
+  String Literals extensions disallowed in strict mode; NonOctalDecimalEscapeSequence 9
+info: |
+  It is possible for string literals to precede a Use Strict Directive that places the enclosing
+  code in strict mode, and implementations must take care to not use this extended definition of
+  EscapeSequence with such literals. For example, attempting to parse the following source text
+  must fail.
+
+  Strict mode is entered via the explicit Use Strict Directive.
+
+  NonOctalDecimalEscapeSequence::one of
+    8 9
+
+flags: [noStrict]
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+function invalid() { "\9"; "use strict"; }
diff --git a/js/src/tests/test262/language/literals/string/legacy-non-octal-escape-sequence-9-strict-strict.js b/js/src/tests/test262/language/literals/string/legacy-non-octal-escape-sequence-9-strict-strict.js
new file mode 100644
index 0000000000..7a5d68113a
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/legacy-non-octal-escape-sequence-9-strict-strict.js
@@ -0,0 +1,21 @@
+// |reftest| error:SyntaxError
+'use strict';
+// Copyright (C) 2020 Sony Interactive Entertainment Inc. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-literals-string-literals
+description: >
+    LegacyOctalEscapeSequence is not enabled in strict mode code
+    (regardless of the presence of Annex B)
+info: |
+    A conforming implementation, when processing strict mode code, must not extend the
+    syntax of EscapeSequence to include LegacyOctalEscapeSequence as described in B.1.2.
+flags: [onlyStrict]
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+'\9';
diff --git a/js/src/tests/test262/language/literals/string/legacy-non-octal-escape-sequence-strict-strict.js b/js/src/tests/test262/language/literals/string/legacy-non-octal-escape-sequence-strict-strict.js
new file mode 100644
index 0000000000..c4d7d97d09
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/legacy-non-octal-escape-sequence-strict-strict.js
@@ -0,0 +1,40 @@
+// |reftest| error:SyntaxError
+'use strict';
+// Copyright (C) 2017 Kevin Gibbons. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-additional-syntax-string-literals
+es6id: B.1.2
+description: >
+    LegacyOctalEscapeSequence is not enabled in strict mode code (regardless of
+    the presence of Annex B)
+info: |
+    EscapeSequence ::
+      CharacterEscapeSequence
+      LegacyOctalEscapeSequence
+      HexEscapeSequence
+      UnicodeEscapeSequence
+
+    LegacyOctalEscapeSequence ::
+      OctalDigit [lookahead ∉ OctalDigit]
+      ZeroToThree OctalDigit [lookahead ∉ OctalDigit]
+      FourToSeven OctalDigit
+      ZeroToThree OctalDigit OctalDigit
+
+    ZeroToThree :: one of
+      0 1 2 3
+
+    FourToSeven :: one of
+      4 5 6 7
+
+    This definition of EscapeSequence is not used in strict mode or when
+    parsing TemplateCharacter.
+flags: [onlyStrict]
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+'\08';
diff --git a/js/src/tests/test262/language/literals/string/legacy-octal-escape-sequence-prologue-strict.js b/js/src/tests/test262/language/literals/string/legacy-octal-escape-sequence-prologue-strict.js
new file mode 100644
index 0000000000..5c769817e7
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/legacy-octal-escape-sequence-prologue-strict.js
@@ -0,0 +1,20 @@
+// |reftest| error:SyntaxError
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 7.8.4-1-s
+description: >
+    A directive preceding an 'use strict' directive may not contain
+    an OctalEscapeSequence
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+(function() {
+  "asterisk: \052";
+  "use strict";
+});
diff --git a/js/src/tests/test262/language/literals/string/legacy-octal-escape-sequence-strict-strict.js b/js/src/tests/test262/language/literals/string/legacy-octal-escape-sequence-strict-strict.js
new file mode 100644
index 0000000000..53a25fd3cb
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/legacy-octal-escape-sequence-strict-strict.js
@@ -0,0 +1,40 @@
+// |reftest| error:SyntaxError
+'use strict';
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-additional-syntax-string-literals
+es6id: B.1.2
+description: >
+    LegacyOctalEscapeSequence is not enabled in strict mode code (regardless of
+    the presence of Annex B)
+info: |
+    EscapeSequence ::
+      CharacterEscapeSequence
+      LegacyOctalEscapeSequence
+      HexEscapeSequence
+      UnicodeEscapeSequence
+
+    LegacyOctalEscapeSequence ::
+      OctalDigit [lookahead ∉ OctalDigit]
+      ZeroToThree OctalDigit [lookahead ∉ OctalDigit]
+      FourToSeven OctalDigit
+      ZeroToThree OctalDigit OctalDigit
+
+    ZeroToThree :: one of
+      0 1 2 3
+
+    FourToSeven :: one of
+      4 5 6 7
+
+    This definition of EscapeSequence is not used in strict mode or when
+    parsing TemplateCharacter.
+flags: [onlyStrict]
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+'\1';
diff --git a/js/src/tests/test262/language/literals/string/line-continuation-double.js b/js/src/tests/test262/language/literals/string/line-continuation-double.js
new file mode 100644
index 0000000000..1ab165a4dd
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/line-continuation-double.js
@@ -0,0 +1,62 @@
+// Copyright (C) 2018 Richard Gibson. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-literals-string-literals
+description: >
+  Line terminators may occur within string literals as part of a |LineContinuation|
+  to produce the empty code points sequence.
+info: |
+  11.8.4 String Literals
+
+  StringLiteral ::
+    `"` DoubleStringCharacters? `"`
+    `'` SingleStringCharacters? `'`
+
+  DoubleStringCharacters ::
+    DoubleStringCharacter DoubleStringCharacters?
+
+  DoubleStringCharacter ::
+    SourceCharacter but not one of `"` or `\` or LineTerminator
+    <LS>
+    <PS>
+    `\` EscapeSequence
+    LineContinuation
+
+  LineContinuation ::
+    `\` LineTerminatorSequence
+
+  11.3 Line Terminators
+
+  LineTerminatorSequence ::
+    <LF>
+    <CR> [lookahead != <LF>]
+    <LS>
+    <PS>
+    <CR> <LF>
+
+  11.8.4.2 Static Semantics: SV
+
+  The SV of DoubleStringCharacter :: LineContinuation is the empty code unit sequence.
+---*/
+
+// LineTerminatorSequence :: <LF>
+assert.sameValue("\
+", "");
+
+// LineTerminatorSequence :: <CR> [lookahead ≠ <LF>]
+assert.sameValue("\
+", "");
+
+// LineTerminatorSequence :: <LS>
+// <LS> is U+2028 LINE SEPARATOR; UTF8(0x2028) = 0xE2 0x80 0xA8
+assert.sameValue("\ ", "");
+
+// LineTerminatorSequence :: <PS>
+// <PS> is U+2029 PARAGRAPH SEPARATOR; UTF8(0x2029) = 0xE2 0x80 0xA9
+assert.sameValue("\ ", "");
+
+// LineTerminatorSequence :: <CR> <LF>
+assert.sameValue("\
+", "");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/literals/string/line-continuation-single.js b/js/src/tests/test262/language/literals/string/line-continuation-single.js
new file mode 100644
index 0000000000..6c0a5184bf
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/line-continuation-single.js
@@ -0,0 +1,62 @@
+// Copyright (C) 2018 Richard Gibson. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-literals-string-literals
+description: >
+  Line terminators may occur within string literals as part of a |LineContinuation|
+  to produce the empty code points sequence.
+info: |
+  11.8.4 String Literals
+
+  StringLiteral ::
+    `"` DoubleStringCharacters? `"`
+    `'` SingleStringCharacters? `'`
+
+  SingleStringCharacters ::
+    SingleStringCharacter SingleStringCharacters?
+
+  SingleStringCharacter ::
+    SourceCharacter but not one of `'` or `\` or LineTerminator
+    <LS>
+    <PS>
+    `\` EscapeSequence
+    LineContinuation
+
+  LineContinuation ::
+    `\` LineTerminatorSequence
+
+  11.3 Line Terminators
+
+  LineTerminatorSequence ::
+    <LF>
+    <CR> [lookahead != <LF>]
+    <LS>
+    <PS>
+    <CR> <LF>
+
+  11.8.4.2 Static Semantics: SV
+
+  The SV of SingleStringCharacter :: LineContinuation is the empty code unit sequence.
+---*/
+
+// LineTerminatorSequence :: <LF>
+assert.sameValue('\
+', '');
+
+// LineTerminatorSequence :: <CR> [lookahead ≠ <LF>]
+assert.sameValue('\
+', '');
+
+// LineTerminatorSequence :: <LS>
+// <LS> is U+2028 LINE SEPARATOR; UTF8(0x2028) = 0xE2 0x80 0xA8
+assert.sameValue('\ ', '');
+
+// LineTerminatorSequence :: <PS>
+// <PS> is U+2029 PARAGRAPH SEPARATOR; UTF8(0x2029) = 0xE2 0x80 0xA9
+assert.sameValue('\ ', '');
+
+// LineTerminatorSequence :: <CR> <LF>
+assert.sameValue('\
+', '');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/literals/string/line-separator-eval.js b/js/src/tests/test262/language/literals/string/line-separator-eval.js
new file mode 100644
index 0000000000..4eb677af99
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/line-separator-eval.js
@@ -0,0 +1,19 @@
+// Copyright (C) 2018 Richard Gibson. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-literals-string-literals
+description: >
+  U+2028 LINE SEPARATOR can appear in string literals (eval code).
+info: |
+  11.8.4 String Literals
+
+  All code points may appear literally in a string literal except for the
+  closing quote code points, U+005C (REVERSE SOLIDUS), U+000D (CARRIAGE RETURN),
+  and U+000A (LINE FEED).
+features: [json-superset]
+---*/
+
+assert.sameValue(eval("'\u2028'"), "\u2028");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/literals/string/line-separator.js b/js/src/tests/test262/language/literals/string/line-separator.js
new file mode 100644
index 0000000000..86e9c507d7
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/line-separator.js
@@ -0,0 +1,20 @@
+// Copyright (C) 2018 Richard Gibson. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-literals-string-literals
+description: >
+  U+2028 LINE SEPARATOR can appear in string literals.
+info: |
+  11.8.4 String Literals
+
+  All code points may appear literally in a string literal except for the
+  closing quote code points, U+005C (REVERSE SOLIDUS), U+000D (CARRIAGE RETURN),
+  and U+000A (LINE FEED).
+features: [json-superset]
+---*/
+
+// U+2028 in strings; UTF8(0x2028) = 0xE2 0x80 0xA8
+assert.sameValue(" ", "\u2028");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/literals/string/mongolian-vowel-separator-eval.js b/js/src/tests/test262/language/literals/string/mongolian-vowel-separator-eval.js
new file mode 100644
index 0000000000..18dfeb32d8
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/mongolian-vowel-separator-eval.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2016 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-unicode-format-control-characters
+description: >
+  Mongolian Vowel Separator can appear in string literals (eval code).
+info: |
+  11.1 Unicode Format-Control Characters
+
+  The Unicode format-control characters (i.e., the characters in category “Cf”
+  in the Unicode Character Database such as LEFT-TO-RIGHT MARK or RIGHT-TO-LEFT
+  MARK) are control codes used to control the formatting of a range of text in
+  the absence of higher-level protocols for this (such as mark-up languages).
+
+  It is useful to allow format-control characters in source text to facilitate
+  editing and display. All format control characters may be used within comments,
+  and within string literals, template literals, and regular expression literals.
+features: [u180e]
+---*/
+
+assert.sameValue(eval("'\u180E'"), "\u180E");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/literals/string/mongolian-vowel-separator.js b/js/src/tests/test262/language/literals/string/mongolian-vowel-separator.js
new file mode 100644
index 0000000000..7e4a99c815
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/mongolian-vowel-separator.js
@@ -0,0 +1,25 @@
+// Copyright (C) 2016 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-unicode-format-control-characters
+description: >
+  Mongolian Vowel Separator can appear in string literals.
+info: |
+  11.1 Unicode Format-Control Characters
+
+  The Unicode format-control characters (i.e., the characters in category “Cf”
+  in the Unicode Character Database such as LEFT-TO-RIGHT MARK or RIGHT-TO-LEFT
+  MARK) are control codes used to control the formatting of a range of text in
+  the absence of higher-level protocols for this (such as mark-up languages).
+
+  It is useful to allow format-control characters in source text to facilitate
+  editing and display. All format control characters may be used within comments,
+  and within string literals, template literals, and regular expression literals.
+features: [u180e]
+---*/
+
+// U+180E in strings; UTF8(0x180E) = 0xE1 0xA0 0x8E
+assert.sameValue("᠎", "\u180E");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/literals/string/paragraph-separator-eval.js b/js/src/tests/test262/language/literals/string/paragraph-separator-eval.js
new file mode 100644
index 0000000000..88d7ae6ae9
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/paragraph-separator-eval.js
@@ -0,0 +1,19 @@
+// Copyright (C) 2018 Richard Gibson. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-literals-string-literals
+description: >
+  U+2029 PARAGRAPH SEPARATOR can appear in string literals (eval code).
+info: |
+  11.8.4 String Literals
+
+  All code points may appear literally in a string literal except for the
+  closing quote code points, U+005C (REVERSE SOLIDUS), U+000D (CARRIAGE RETURN),
+  and U+000A (LINE FEED).
+features: [json-superset]
+---*/
+
+assert.sameValue(eval("'\u2029'"), "\u2029");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/literals/string/paragraph-separator.js b/js/src/tests/test262/language/literals/string/paragraph-separator.js
new file mode 100644
index 0000000000..339e97f89f
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/paragraph-separator.js
@@ -0,0 +1,20 @@
+// Copyright (C) 2018 Richard Gibson. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-literals-string-literals
+description: >
+  U+2029 PARAGRAPH SEPARATOR can appear in string literals.
+info: |
+  11.8.4 String Literals
+
+  All code points may appear literally in a string literal except for the
+  closing quote code points, U+005C (REVERSE SOLIDUS), U+000D (CARRIAGE RETURN),
+  and U+000A (LINE FEED).
+features: [json-superset]
+---*/
+
+// U+2029 in strings; UTF8(0x2029) = 0xE2 0x80 0xA9
+assert.sameValue(" ", "\u2029");
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/language/literals/string/shell.js b/js/src/tests/test262/language/literals/string/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/shell.js
diff --git a/js/src/tests/test262/language/literals/string/unicode-escape-nls-err-double.js b/js/src/tests/test262/language/literals/string/unicode-escape-nls-err-double.js
new file mode 100644
index 0000000000..11843f2c9b
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/unicode-escape-nls-err-double.js
@@ -0,0 +1,50 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: prod-StringLiteral
+description: NumericLiteralSeperator disallowed in unicode CodePoint sequence (DoubleStringCharacters)
+info: |
+ StringLiteral::
+   "DoubleStringCharacters opt"
+   'SingleStringCharacters opt'
+
+ DoubleStringCharacters::
+   DoubleStringCharacter DoubleStringCharacters opt
+
+ DoubleStringCharacter::
+   SourceCharacter but not one of " or \ or LineTerminator
+   \ EscapeSequence
+   LineContinuation
+
+ EscapeSequence::
+   CharacterEscapeSequence
+   0 [lookahead ∉ DecimalDigit]
+   HexEscapeSequence
+   UnicodeEscapeSequence
+
+ UnicodeEscapeSequence ::
+   uHex4Digits
+   u{CodePoint}
+
+ CodePoint ::
+   HexDigit but only if MV of HexDigits ≤ 0x10FFFF
+   CodePointDigits but only if MV of HexDigits ≤ 0x10FFFF
+
+ CodePointDigits ::
+   HexDigit
+   CodePointDigitsHexDigit
+
+  HexDigit :: one of
+    0 1 2 3 4 5 6 7 8 9 a b c d e f A B C D E F
+
+features: [numeric-separator-literal]
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+"\u{1F_639}"
diff --git a/js/src/tests/test262/language/literals/string/unicode-escape-nls-err-single.js b/js/src/tests/test262/language/literals/string/unicode-escape-nls-err-single.js
new file mode 100644
index 0000000000..3052d893ab
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/unicode-escape-nls-err-single.js
@@ -0,0 +1,50 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2017 Valerie Young. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: prod-StringLiteral
+description: NumericLiteralSeperator disallowed in unicode CodePoint sequence (DoubleStringCharacters)
+info: |
+ StringLiteral::
+   "DoubleStringCharacters opt"
+   'SingleStringCharacters opt'
+
+ SingleStringCharacters::
+   SingleStringCharacterSingleStringCharactersopt
+
+ SingleStringCharacter::
+   SourceCharacterbut not one of ' or \ or LineTerminator
+   \ EscapeSequence
+   LineContinuation
+
+ EscapeSequence::
+   CharacterEscapeSequence
+   0 [lookahead ∉ DecimalDigit]
+   HexEscapeSequence
+   UnicodeEscapeSequence
+
+ UnicodeEscapeSequence ::
+   uHex4Digits
+   u{CodePoint}
+
+ CodePoint ::
+   HexDigit but only if MV of HexDigits ≤ 0x10FFFF
+   CodePointDigits but only if MV of HexDigits ≤ 0x10FFFF
+
+ CodePointDigits ::
+   HexDigit
+   CodePointDigitsHexDigit
+
+  HexDigit :: one of
+    0 1 2 3 4 5 6 7 8 9 a b c d e f A B C D E F
+
+features: [numeric-separator-literal]
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+'\u{1F_639}';
diff --git a/js/src/tests/test262/language/literals/string/unicode-escape-no-hex-err-double.js b/js/src/tests/test262/language/literals/string/unicode-escape-no-hex-err-double.js
new file mode 100644
index 0000000000..afa71f94b1
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/unicode-escape-no-hex-err-double.js
@@ -0,0 +1,47 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2020 Alexey Shvayka. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: prod-StringLiteral
+description: >
+  \u is at the end of string, Hex4Digits is required.
+info: |
+  StringLiteral ::
+    " DoubleStringCharacters_opt "
+    ' SingleStringCharacters_opt '
+
+  DoubleStringCharacters ::
+    DoubleStringCharacter DoubleStringCharacters_opt
+
+  DoubleStringCharacter ::
+    SourceCharacter but not one of " or \ or LineTerminator
+    <LS>
+    <PS>
+    \ EscapeSequence
+    LineContinuation
+
+  EscapeSequence ::
+    CharacterEscapeSequence
+    0 [lookahead ∉ DecimalDigit]
+    HexEscapeSequence
+    UnicodeEscapeSequence
+
+  UnicodeEscapeSequence ::
+    u Hex4Digits
+    u{ CodePoint }
+
+  Hex4Digits ::
+    HexDigit HexDigit HexDigit HexDigit
+
+  HexDigit :: one of
+    0 1 2 3 4 5 6 7 8 9 a b c d e f A B C D E F
+
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+"\u"
diff --git a/js/src/tests/test262/language/literals/string/unicode-escape-no-hex-err-single.js b/js/src/tests/test262/language/literals/string/unicode-escape-no-hex-err-single.js
new file mode 100644
index 0000000000..b6cadf80a1
--- /dev/null
+++ b/js/src/tests/test262/language/literals/string/unicode-escape-no-hex-err-single.js
@@ -0,0 +1,47 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2020 Alexey Shvayka. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: prod-StringLiteral
+description: >
+  \u is at the end of string, Hex4Digits is required.
+info: |
+  StringLiteral ::
+    " DoubleStringCharacters_opt "
+    ' SingleStringCharacters_opt '
+
+  SingleStringCharacters ::
+    SingleStringCharacter SingleStringCharacters_opt
+
+  SingleStringCharacter ::
+    SourceCharacter but not one of ' or \ or LineTerminator
+    <LS>
+    <PS>
+    \ EscapeSequence
+    LineContinuation
+
+  EscapeSequence ::
+    CharacterEscapeSequence
+    0 [lookahead ∉ DecimalDigit]
+    HexEscapeSequence
+    UnicodeEscapeSequence
+
+  UnicodeEscapeSequence ::
+    u Hex4Digits
+    u{ CodePoint }
+
+  Hex4Digits ::
+    HexDigit HexDigit HexDigit HexDigit
+
+  HexDigit :: one of
+    0 1 2 3 4 5 6 7 8 9 a b c d e f A B C D E F
+
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+
+'\u'
author	Daniel Baumann <daniel.baumann@progress-linux.org>	2024-04-28 14:29:10 +0000
committer	Daniel Baumann <daniel.baumann@progress-linux.org>	2024-04-28 14:29:10 +0000
commit	2aa4a82499d4becd2284cdb482213d541b8804dd (patch)
tree	b80bf8bf13c3766139fbacc530efd0dd9d54394c /js/src/tests/test262/language/literals/string
parent	Initial commit. (diff)
download	firefox-upstream.tar.xz firefox-upstream.zip