1 files changed, 103 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/String/prototype/toLowerCase/special_casing_conditional.js b/js/src/tests/test262/built-ins/String/prototype/toLowerCase/special_casing_conditional.js
new file mode 100644
index 0000000000..8356bbe54e
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+++ b/js/src/tests/test262/built-ins/String/prototype/toLowerCase/special_casing_conditional.js
@@ -0,0 +1,103 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: >
+    Check if String.prototype.toLowerCase supports conditional mappings defined in SpecialCasings
+info: |
+    The result must be derived according to the locale-insensitive case mappings in the Unicode Character
+    Database (this explicitly includes not only the UnicodeData.txt file, but also all locale-insensitive
+    mappings in the SpecialCasings.txt file that accompanies it).
+es5id: 15.5.4.16
+es6id: 21.1.3.22
+---*/
+
+// SpecialCasing.txt, conditional, language-insensitive mappings.
+
+// <code>; <lower>; <title>; <upper>; (<condition_list>;)? # <comment>
+// 03A3; 03C2; 03A3; 03A3; Final_Sigma; # GREEK CAPITAL LETTER SIGMA
+// 03A3; 03C3; 03A3; 03A3; # GREEK CAPITAL LETTER SIGMA
+
+// Final_Sigma is defined in Unicode 5.1, 3.13 Default Case Algorithms.
+
+assert.sameValue(
+  "\u03A3".toLowerCase(),
+  "\u03C3",
+  "Single GREEK CAPITAL LETTER SIGMA"
+);
+
+// Sigma preceded by Cased and zero or more Case_Ignorable.
+assert.sameValue(
+  "A\u03A3".toLowerCase(),
+  "a\u03C2",
+  "Sigma preceded by LATIN CAPITAL LETTER A"
+);
+assert.sameValue(
+  "\uD835\uDCA2\u03A3".toLowerCase(),
+  "\uD835\uDCA2\u03C2",
+  "Sigma preceded by MATHEMATICAL SCRIPT CAPITAL G (D835 DCA2 = 1D4A2)"
+);
+assert.sameValue(
+  "A.\u03A3".toLowerCase(),
+  "a.\u03C2",
+  "Sigma preceded by FULL STOP"
+);
+assert.sameValue(
+  "A\u00AD\u03A3".toLowerCase(),
+  "a\u00AD\u03C2",
+  "Sigma preceded by SOFT HYPHEN (00AD)"
+);
+assert.sameValue(
+  "A\uD834\uDE42\u03A3".toLowerCase(),
+  "a\uD834\uDE42\u03C2",
+  "Sigma preceded by COMBINING GREEK MUSICAL TRISEME (D834 DE42 = 1D242)"
+);
+assert.sameValue(
+  "\u0345\u03A3".toLowerCase(),
+  "\u0345\u03C3",
+  "Sigma preceded by COMBINING GREEK YPOGEGRAMMENI (0345)"
+);
+assert.sameValue(
+  "\u0391\u0345\u03A3".toLowerCase(),
+  "\u03B1\u0345\u03C2",
+  "Sigma preceded by GREEK CAPITAL LETTER ALPHA (0391), COMBINING GREEK YPOGEGRAMMENI (0345)"
+);
+
+// Sigma not followed by zero or more Case_Ignorable and then Cased.
+assert.sameValue(
+  "A\u03A3B".toLowerCase(),
+  "a\u03C3b",
+  "Sigma followed by LATIN CAPITAL LETTER B"
+);
+assert.sameValue(
+  "A\u03A3\uD835\uDCA2".toLowerCase(),
+  "a\u03C3\uD835\uDCA2",
+  "Sigma followed by MATHEMATICAL SCRIPT CAPITAL G (D835 DCA2 = 1D4A2)"
+);
+assert.sameValue(
+  "A\u03A3.b".toLowerCase(),
+  "a\u03C3.b",
+  "Sigma followed by FULL STOP"
+);
+assert.sameValue(
+  "A\u03A3\u00ADB".toLowerCase(),
+  "a\u03C3\u00ADb",
+  "Sigma followed by SOFT HYPHEN (00AD)"
+);
+assert.sameValue(
+  "A\u03A3\uD834\uDE42B".toLowerCase(),
+  "a\u03C3\uD834\uDE42b",
+  "Sigma followed by COMBINING GREEK MUSICAL TRISEME (D834 DE42 = 1D242)"
+);
+assert.sameValue(
+  "A\u03A3\u0345".toLowerCase(),
+  "a\u03C2\u0345",
+  "Sigma followed by COMBINING GREEK YPOGEGRAMMENI (0345)"
+);
+assert.sameValue(
+  "A\u03A3\u0345\u0391".toLowerCase(),
+  "a\u03C3\u0345\u03B1",
+  "Sigma followed by COMBINING GREEK YPOGEGRAMMENI (0345), GREEK CAPITAL LETTER ALPHA (0391)"
+);
+
+reportCompare(0, 0);