Add m-esr52 at 52.6.0

1 files changed, 218 insertions, 0 deletions

diff --git a/js/src/tests/ecma_6/RegExp/unicode-lead-trail.js b/js/src/tests/ecma_6/RegExp/unicode-lead-trail.js
new file mode 100644
index 000000000..7ecdb9ace
--- /dev/null
+++ b/js/src/tests/ecma_6/RegExp/unicode-lead-trail.js
@@ -0,0 +1,218 @@
+var BUGNUMBER = 1135377;
+var summary = "Implement RegExp unicode flag -- lead and trail patterns in RegExpUnicodeEscapeSequence.";
+
+print(BUGNUMBER + ": " + summary);
+
+// ==== standalone ====
+
+assertEqArray(/\uD83D\uDC38/u.exec("\u{1F438}"),
+              ["\u{1F438}"]);
+
+// no unicode flag
+assertEqArray(/\uD83D\uDC38/.exec("\u{1F438}"),
+              ["\u{1F438}"]);
+
+// RegExp constructor
+assertEqArray(new RegExp("\\uD83D\\uDC38", "u").exec("\u{1F438}"),
+              ["\u{1F438}"]);
+
+// RegExp constructor, no unicode flag
+assertEqArray(new RegExp("\\uD83D\\uDC38", "").exec("\u{1F438}"),
+              ["\u{1F438}"]);
+
+// ==== ? ====
+
+assertEqArray(/\uD83D\uDC38?/u.exec("\u{1F438}"),
+              ["\u{1F438}"]);
+assertEqArray(/\uD83D\uDC38?/u.exec(""),
+              [""]);
+
+// lead-only target
+assertEqArray(/\uD83D\uDC38?/u.exec("\uD83D"),
+              [""]);
+
+// no unicode flag
+assertEqArray(/\uD83D\uDC38?/.exec("\u{1F438}"),
+              ["\u{1F438}"]);
+assertEq(/\uD83D\uDC38?/.exec(""),
+         null);
+
+assertEqArray(/\uD83D\uDC38?/.exec("\uD83D"),
+              ["\uD83D"]);
+
+// RegExp constructor
+assertEqArray(new RegExp("\\uD83D\\uDC38?", "u").exec("\u{1F438}"),
+              ["\u{1F438}"]);
+assertEqArray(new RegExp("\\uD83D\\uDC38?", "u").exec(""),
+              [""]);
+
+assertEqArray(new RegExp("\\uD83D\\uDC38?", "u").exec("\uD83D"),
+              [""]);
+
+// RegExp constructor, no unicode flag
+assertEqArray(new RegExp("\\uD83D\\uDC38?", "").exec("\u{1F438}"),
+              ["\u{1F438}"]);
+assertEq(new RegExp("\\uD83D\\uDC38?", "").exec(""),
+         null);
+
+assertEqArray(new RegExp("\\uD83D\\uDC38?", "").exec("\uD83D"),
+              ["\uD83D"]);
+
+// ==== + ====
+
+assertEqArray(/\uD83D\uDC38+/u.exec("\u{1F438}"),
+              ["\u{1F438}"]);
+assertEqArray(/\uD83D\uDC38+/u.exec("\u{1F438}\u{1F438}"),
+              ["\u{1F438}\u{1F438}"]);
+assertEq(/\uD83D\uDC38+/u.exec(""),
+         null);
+
+// lead-only target
+assertEq(/\uD83D\uDC38+/u.exec("\uD83D"),
+         null);
+assertEqArray(/\uD83D\uDC38+/u.exec("\uD83D\uDC38\uDC38"),
+              ["\uD83D\uDC38"]);
+
+// no unicode flag
+assertEqArray(/\uD83D\uDC38+/.exec("\u{1F438}"),
+              ["\u{1F438}"]);
+assertEqArray(/\uD83D\uDC38+/.exec("\u{1F438}\u{1F438}"),
+              ["\u{1F438}"]);
+assertEq(/\uD83D\uDC38+/.exec("\uD83D"),
+         null);
+assertEqArray(/\uD83D\uDC38+/.exec("\uD83D\uDC38\uDC38"),
+              ["\uD83D\uDC38\uDC38"]);
+assertEq(/\uD83D\uDC38+/.exec(""),
+         null);
+
+// ==== * ====
+
+assertEqArray(/\uD83D\uDC38*/u.exec("\u{1F438}"),
+              ["\u{1F438}"]);
+assertEqArray(/\uD83D\uDC38*/u.exec("\u{1F438}\u{1F438}"),
+              ["\u{1F438}\u{1F438}"]);
+assertEqArray(/\uD83D\uDC38*/u.exec(""),
+              [""]);
+
+// lead-only target
+assertEqArray(/\uD83D\uDC38*/u.exec("\uD83D"),
+              [""]);
+assertEqArray(/\uD83D\uDC38*/u.exec("\uD83D\uDC38\uDC38"),
+              ["\uD83D\uDC38"]);
+
+// no unicode flag
+assertEqArray(/\uD83D\uDC38*/.exec("\u{1F438}"),
+              ["\u{1F438}"]);
+assertEqArray(/\uD83D\uDC38*/.exec("\u{1F438}\u{1F438}"),
+              ["\u{1F438}"]);
+assertEqArray(/\uD83D\uDC38*/.exec("\uD83D"),
+              ["\uD83D"]);
+assertEqArray(/\uD83D\uDC38*/.exec("\uD83D\uDC38\uDC38"),
+              ["\uD83D\uDC38\uDC38"]);
+assertEq(/\uD83D\uDC38*/.exec(""),
+         null);
+
+// ==== 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\u3042\u3042"]);
+
+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\u3042\u3042"]);
+
+assertEqArray(/\uD83DA*/u.exec("\uD83D"),
+              ["\uD83D"]);
+assertEqArray(/\uD83DA*/u.exec("\uD83DA"),
+              ["\uD83DA"]);
+assertEqArray(/\uD83DA*/u.exec("\uD83DAA"),
+              ["\uD83DAA"]);
+
+// ==== 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);