1 files changed, 126 insertions, 0 deletions
diff --git a/js/src/tests/ecma_6/RegExp/sticky.js b/js/src/tests/ecma_6/RegExp/sticky.js
new file mode 100644
index 000000000..13a6debe9
--- /dev/null
+++ b/js/src/tests/ecma_6/RegExp/sticky.js
@@ -0,0 +1,126 @@
+var BUGNUMBER = 773687;
+var summary = 'sticky flag should not break assertion behavior.';
+
+print(BUGNUMBER + ": " + summary);
+
+function test(re, text, expectations) {
+  // Sanity check for test data itself.
+  assertEq(expectations.length, text.length + 1);
+
+  for (var i = 0; i < expectations.length; i++) {
+    var result = expectations[i];
+
+    re.lastIndex = i;
+    var match = re.exec(text);
+    if (result === null) {
+      assertEq(re.lastIndex, 0);
+      assertEq(match, null);
+    } else {
+      assertEq(re.lastIndex, result.lastIndex);
+      assertEq(match !== null, true);
+      assertEq(match.length, result.matches.length);
+      for (var j = 0; j < result.matches.length; j++)
+        assertEq(match[j], result.matches[j]);
+      assertEq(match.index, result.index);
+    }
+  }
+}
+
+// simple text
+test(/bc/y, "abcabd", [
+  null,
+  { lastIndex: 3, matches: ["bc"], index: 1 },
+  null,
+  null,
+  null,
+  null,
+  null,
+]);
+
+// complex pattern
+test(/bc|c|d/y, "abcabd", [
+  null,
+  { lastIndex: 3, matches: ["bc"], index: 1 },
+  { lastIndex: 3, matches: ["c"], index: 2 },
+  null,
+  null,
+  { lastIndex: 6, matches: ["d"], index: 5 },
+  null,
+]);
+
+test(/.*(bc|c|d)/y, "abcabd", [
+  { lastIndex: 6, matches: ["abcabd", "d"], index: 0 },
+  { lastIndex: 6, matches: ["bcabd", "d"], index: 1 },
+  { lastIndex: 6, matches: ["cabd", "d"], index: 2 },
+  { lastIndex: 6, matches: ["abd", "d"], index: 3 },
+  { lastIndex: 6, matches: ["bd", "d"], index: 4 },
+  { lastIndex: 6, matches: ["d", "d"], index: 5 },
+  null,
+]);
+
+test(/.*?(bc|c|d)/y, "abcabd", [
+  { lastIndex: 3, matches: ["abc", "bc"], index: 0 },
+  { lastIndex: 3, matches: ["bc", "bc"], index: 1 },
+  { lastIndex: 3, matches: ["c", "c"], index: 2 },
+  { lastIndex: 6, matches: ["abd", "d"], index: 3 },
+  { lastIndex: 6, matches: ["bd", "d"], index: 4 },
+  { lastIndex: 6, matches: ["d", "d"], index: 5 },
+  null,
+]);
+
+test(/(bc|.*c|d)/y, "abcabd", [
+  { lastIndex: 3, matches: ["abc", "abc"], index: 0 },
+  { lastIndex: 3, matches: ["bc", "bc"], index: 1 },
+  { lastIndex: 3, matches: ["c", "c"], index: 2 },
+  null,
+  null,
+  { lastIndex: 6, matches: ["d", "d"], index: 5 },
+  null,
+]);
+
+// ^ assertions
+test(/^/y, "abcabc", [
+  { lastIndex: 0, matches: [""], index: 0 },
+  null,
+  null,
+  null,
+  null,
+  null,
+  null,
+]);
+
+test(/^a/my, "abc\nabc", [
+  { lastIndex: 1, matches: ["a"], index: 0 },
+  null,
+  null,
+  null,
+  { lastIndex: 5, matches: ["a"], index: 4 },
+  null,
+  null,
+  null,
+]);
+
+// \b assertions
+test(/\b/y, "abc bc", [
+  { lastIndex: 0, matches: [""], index: 0 },
+  null,
+  null,
+  { lastIndex: 3, matches: [""], index: 3 },
+  { lastIndex: 4, matches: [""], index: 4 },
+  null,
+  { lastIndex: 6, matches: [""], index: 6 },
+]);
+
+// \B assertions
+test(/\B/y, "abc bc", [
+  null,
+  { lastIndex: 1, matches: [""], index: 1 },
+  { lastIndex: 2, matches: [""], index: 2 },
+  null,
+  null,
+  { lastIndex: 5, matches: [""], index: 5 },
+  null,
+]);
+
+if (typeof reportCompare === "function")
+  reportCompare(true, true);