1 files changed, 142 insertions, 0 deletions
diff --git a/js/src/tests/non262/RegExp/unicode-class-lead-trail.js b/js/src/tests/non262/RegExp/unicode-class-lead-trail.js
new file mode 100644
index 0000000000..c83bf937d4
--- /dev/null
+++ b/js/src/tests/non262/RegExp/unicode-class-lead-trail.js
@@ -0,0 +1,142 @@
+var BUGNUMBER = 1135377;
+var summary = "Implement RegExp unicode flag -- lead and trail pattern in RegExpUnicodeEscapeSequence in CharacterClass.";
+
+print(BUGNUMBER + ": " + summary);
+
+// ==== standalone ====
+
+assertEqArray(/[\uD83D\uDC38]/u.exec("\uD83D\uDC38"),
+              ["\uD83D\uDC38"]);
+assertEq(/[\uD83D\uDC38]/u.exec("\uD83D"),
+         null);
+assertEq(/[\uD83D\uDC38]/u.exec("\uDC38"),
+         null);
+
+// no unicode flag
+assertEqArray(/[\uD83D\uDC38]/.exec("\uD83D\uDC38"),
+              ["\uD83D"]);
+assertEqArray(/[\uD83D\uDC38]/.exec("\uD83D"),
+              ["\uD83D"]);
+assertEqArray(/[\uD83D\uDC38]/.exec("\uDC38"),
+              ["\uDC38"]);
+
+// RegExp constructor
+assertEqArray(new RegExp("[\uD83D\uDC38]", "u").exec("\uD83D\uDC38"),
+              ["\uD83D\uDC38"]);
+assertEq(new RegExp("[\uD83D\uDC38]", "u").exec("\uD83D"),
+         null);
+assertEq(new RegExp("[\uD83D\uDC38]", "u").exec("\uDC38"),
+         null);
+
+// RegExp constructor, no unicode flag
+assertEqArray(new RegExp("[\uD83D\uDC38]", "").exec("\uD83D\uDC38"),
+              ["\uD83D"]);
+assertEqArray(new RegExp("[\uD83D\uDC38]", "").exec("\uD83D"),
+              ["\uD83D"]);
+assertEqArray(new RegExp("[\uD83D\uDC38]", "").exec("\uDC38"),
+              ["\uDC38"]);
+
+// ==== lead-only ====
+
+// match only non-surrogate pair
+assertEqArray(/[\uD83D]/u.exec("\uD83D\uDBFF"),
+              ["\uD83D"]);
+assertEq(/[\uD83D]/u.exec("\uD83D\uDC00"),
+         null);
+assertEq(/[\uD83D]/u.exec("\uD83D\uDFFF"),
+         null);
+assertEqArray(/[\uD83D]/u.exec("\uD83D\uE000"),
+              ["\uD83D"]);
+
+// match before non-tail char
+assertEqArray(/[\uD83D]/u.exec("\uD83D"),
+              ["\uD83D"]);
+assertEqArray(/[\uD83D]/u.exec("\uD83DA"),
+              ["\uD83D"]);
+
+// no unicode flag
+assertEqArray(/[\uD83D]/.exec("\uD83D\uDBFF"),
+              ["\uD83D"]);
+assertEqArray(/[\uD83D]/.exec("\uD83D\uDC00"),
+              ["\uD83D"]);
+assertEqArray(/[\uD83D]/.exec("\uD83D\uDFFF"),
+              ["\uD83D"]);
+assertEqArray(/[\uD83D]/.exec("\uD83D\uE000"),
+              ["\uD83D"]);
+assertEqArray(/[\uD83D]/.exec("\uD83D"),
+              ["\uD83D"]);
+assertEqArray(/[\uD83D]/.exec("\uD83DA"),
+              ["\uD83D"]);
+
+// ==== trail-only ====
+
+// match only non-surrogate pair
+assertEqArray(/[\uDC38]/u.exec("\uD7FF\uDC38"),
+              ["\uDC38"]);
+assertEq(/[\uDC38]/u.exec("\uD800\uDC38"),
+         null);
+assertEq(/[\uDC38]/u.exec("\uDBFF\uDC38"),
+         null);
+assertEqArray(/[\uDC38]/u.exec("\uDC00\uDC38"),
+              ["\uDC38"]);
+
+// match after non-lead char
+assertEqArray(/[\uDC38]/u.exec("\uDC38"),
+              ["\uDC38"]);
+assertEqArray(/[\uDC38]/u.exec("A\uDC38"),
+              ["\uDC38"]);
+
+// no unicode flag
+assertEqArray(/[\uDC38]/.exec("\uD7FF\uDC38"),
+              ["\uDC38"]);
+assertEqArray(/[\uDC38]/.exec("\uD800\uDC38"),
+              ["\uDC38"]);
+assertEqArray(/[\uDC38]/.exec("\uDBFF\uDC38"),
+              ["\uDC38"]);
+assertEqArray(/[\uDC38]/.exec("\uDC00\uDC38"),
+              ["\uDC38"]);
+assertEqArray(/[\uDC38]/.exec("\uDC38"),
+              ["\uDC38"]);
+assertEqArray(/[\uDC38]/.exec("A\uDC38"),
+              ["\uDC38"]);
+
+// ==== invalid trail ====
+
+assertEqArray(/[\uD83D\u3042]*/u.exec("\uD83D"),
+              ["\uD83D"]);
+assertEqArray(/[\uD83D\u3042]*/u.exec("\uD83D\u3042"),
+              ["\uD83D\u3042"]);
+assertEqArray(/[\uD83D\u3042]*/u.exec("\uD83D\u3042\u3042\uD83D"),
+              ["\uD83D\u3042\u3042\uD83D"]);
+
+assertEqArray(/[\uD83D\u{3042}]*/u.exec("\uD83D"),
+              ["\uD83D"]);
+assertEqArray(/[\uD83D\u{3042}]*/u.exec("\uD83D\u3042"),
+              ["\uD83D\u3042"]);
+assertEqArray(/[\uD83D\u{3042}]*/u.exec("\uD83D\u3042\u3042\uD83D"),
+              ["\uD83D\u3042\u3042\uD83D"]);
+
+assertEqArray(/[\uD83DA]*/u.exec("\uD83D"),
+              ["\uD83D"]);
+assertEqArray(/[\uD83DA]*/u.exec("\uD83DA"),
+              ["\uD83DA"]);
+assertEqArray(/[\uD83DA]*/u.exec("\uD83DAA\uD83D"),
+              ["\uD83DAA\uD83D"]);
+
+// ==== wrong patterns ====
+
+assertThrowsInstanceOf(() => eval(`/[\\u]/u`), SyntaxError);
+assertThrowsInstanceOf(() => eval(`/[\\u0]/u`), SyntaxError);
+assertThrowsInstanceOf(() => eval(`/[\\u00]/u`), SyntaxError);
+assertThrowsInstanceOf(() => eval(`/[\\u000]/u`), SyntaxError);
+assertThrowsInstanceOf(() => eval(`/[\\u000G]/u`), SyntaxError);
+assertThrowsInstanceOf(() => eval(`/[\\u0.00]/u`), SyntaxError);
+assertThrowsInstanceOf(() => eval(`/[\\uD83D\\u]/u`), SyntaxError);
+assertThrowsInstanceOf(() => eval(`/[\\uD83D\\u0]/u`), SyntaxError);
+assertThrowsInstanceOf(() => eval(`/[\\uD83D\\u00]/u`), SyntaxError);
+assertThrowsInstanceOf(() => eval(`/[\\uD83D\\u000]/u`), SyntaxError);
+assertThrowsInstanceOf(() => eval(`/[\\uD83D\\u000G]/u`), SyntaxError);
+assertThrowsInstanceOf(() => eval(`/[\\uD83D\\u0.00]/u`), SyntaxError);
+
+if (typeof reportCompare === "function")
+    reportCompare(true, true);