1 files changed, 87 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/regexp_parse/Atom_DecimalEscape.js b/js/src/jit-test/tests/regexp_parse/Atom_DecimalEscape.js
new file mode 100644
index 000000000..aa5c09f75
--- /dev/null
+++ b/js/src/jit-test/tests/regexp_parse/Atom_DecimalEscape.js
@@ -0,0 +1,87 @@
+if (typeof parseRegExp === 'undefined')
+    quit();
+
+load(libdir + "regexp_parse.js");
+
+// LegacyOctalEscapeSequence
+
+test_mix("\\1", no_unicode_flags,
+         Atom("\u0001"));
+test_mix("\\2", no_unicode_flags,
+         Atom("\u0002"));
+test_mix("\\3", no_unicode_flags,
+         Atom("\u0003"));
+test_mix("\\4", no_unicode_flags,
+         Atom("\u0004"));
+test_mix("\\5", no_unicode_flags,
+         Atom("\u0005"));
+test_mix("\\6", no_unicode_flags,
+         Atom("\u0006"));
+test_mix("\\7", no_unicode_flags,
+         Atom("\u0007"));
+test_mix("\\8", no_unicode_flags,
+         Atom("8"));
+test_mix("\\9", no_unicode_flags,
+         Atom("9"));
+
+test_mix("\\10", no_unicode_flags,
+         Atom("\u0008"));
+test_mix("\\11", no_unicode_flags,
+         Atom("\u0009"));
+
+test_mix("\\189", no_unicode_flags,
+         Atom("\u{0001}89"));
+test_mix("\\1089", no_unicode_flags,
+         Atom("\u{0008}89"));
+test_mix("\\10189", no_unicode_flags,
+         Atom("A89"));
+test_mix("\\101189", no_unicode_flags,
+         Atom("A189"));
+
+// BackReference
+
+test_mix("()\\1", no_unicode_flags,
+         Alternative([
+             Capture(1, Empty()),
+             BackReference(1)
+         ]));
+test_mix("()\\1", unicode_flags,
+         Alternative([
+             Capture(1, Empty()),
+             Alternative([
+                 BackReference(1),
+                 Assertion("NOT_IN_SURROGATE_PAIR")
+             ])
+         ]));
+
+test_mix("()()()()()()()()()()\\10", no_unicode_flags,
+         Alternative([
+             Capture(1, Empty()),
+             Capture(2, Empty()),
+             Capture(3, Empty()),
+             Capture(4, Empty()),
+             Capture(5, Empty()),
+             Capture(6, Empty()),
+             Capture(7, Empty()),
+             Capture(8, Empty()),
+             Capture(9, Empty()),
+             Capture(10, Empty()),
+             BackReference(10)
+         ]));
+test_mix("()()()()()()()()()()\\10", unicode_flags,
+         Alternative([
+             Capture(1, Empty()),
+             Capture(2, Empty()),
+             Capture(3, Empty()),
+             Capture(4, Empty()),
+             Capture(5, Empty()),
+             Capture(6, Empty()),
+             Capture(7, Empty()),
+             Capture(8, Empty()),
+             Capture(9, Empty()),
+             Capture(10, Empty()),
+             Alternative([
+                 BackReference(10),
+                 Assertion("NOT_IN_SURROGATE_PAIR")
+             ])
+         ]));