1 files changed, 131 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/compare-string.js b/js/src/jit-test/tests/ion/compare-string.js
new file mode 100644
index 0000000000..db5d295417
--- /dev/null
+++ b/js/src/jit-test/tests/ion/compare-string.js
@@ -0,0 +1,131 @@
+function compareToAtom(a) {
+    return a == 'test-test-test-test-test-test-test-test';
+}
+
+function compareToAtomStrict(a) {
+    return a === 'test-test-test-test-test-test-test-test';
+}
+
+function compareToAtomNe(a) {
+    return a != 'test-test-test-test-test-test-test-test';
+}
+
+function compareToAtomNeStrict(a) {
+    return a !== 'test-test-test-test-test-test-test-test';
+}
+
+function compareToAtomLessThan(a) {
+    return a < 'test-test-test-test-test-test-test-test';
+}
+
+function compareToAtomLessThanOrEquals(a) {
+    return a <= 'test-test-test-test-test-test-test-test';
+}
+
+function compareToAtomGreaterThan(a) {
+    return a > 'test-test-test-test-test-test-test-test';
+}
+
+function compareToAtomGreaterThanOrEquals(a) {
+    return a >= 'test-test-test-test-test-test-test-test';
+}
+
+var st = 'st-test-test-test-test-test-test-test';
+
+function compareToRope(a) {
+    return a == ('te' + st);
+}
+
+function compareToRopeStrict(a) {
+    return a === ('te' + st);
+}
+
+function compareToRopeNe(a) {
+    var st = 'st-test-test-test-test-test-test-test';
+    return a != ('te' + st);
+}
+
+function compareToRopeNeStrict(a) {
+    var st = 'st-test-test-test-test-test-test-test';
+    return a !== ('te' + st);
+}
+
+function compareToRopeLessThan(a) {
+    var st = 'st-test-test-test-test-test-test-test';
+    return a < ('te' + st);
+}
+
+function compareToRopeLessThanOrEquals(a) {
+    var st = 'st-test-test-test-test-test-test-test';
+    return a <= ('te' + st);
+}
+
+function compareToRopeGreaterThan(a) {
+    var st = 'st-test-test-test-test-test-test-test';
+    return a > ('te' + st);
+}
+
+function compareToRopeGreaterThanOrEquals(a) {
+    var st = 'st-test-test-test-test-test-test-test';
+    return a >= ('te' + st);
+}
+
+function main() {
+    // |test| must be longer than |JSFatInlineString::MAX_LENGTH_LATIN1| to
+    // ensure the above functions create ropes when concatenating strings.
+    var test = 'test-test-test-test-test-test-test-test';
+    var foobar = 'foobar';
+
+    assertEq(compareToAtom(test), true);
+    assertEq(compareToAtom(foobar), false);
+
+    assertEq(compareToAtomStrict(test), true);
+    assertEq(compareToAtomStrict(foobar), false);
+
+    assertEq(compareToAtomNe(test), false);
+    assertEq(compareToAtomNe(foobar), true);
+
+    assertEq(compareToAtomNeStrict(test), false);
+    assertEq(compareToAtomNeStrict(foobar), true);
+
+    assertEq(compareToAtomLessThan(test), false);
+    assertEq(compareToAtomLessThan(foobar), true);
+
+    assertEq(compareToAtomLessThanOrEquals(test), true);
+    assertEq(compareToAtomLessThanOrEquals(foobar), true);
+
+    assertEq(compareToAtomGreaterThan(test), false);
+    assertEq(compareToAtomGreaterThan(foobar), false);
+
+    assertEq(compareToAtomGreaterThanOrEquals(test), true);
+    assertEq(compareToAtomGreaterThanOrEquals(foobar), false);
+
+
+    assertEq(compareToRope(test), true);
+    assertEq(compareToRope(foobar), false);
+
+    assertEq(compareToRopeStrict(test), true);
+    assertEq(compareToRopeStrict(foobar), false);
+
+    assertEq(compareToRopeNe(test), false);
+    assertEq(compareToRopeNe(foobar), true);
+
+    assertEq(compareToRopeNeStrict(test), false);
+    assertEq(compareToRopeNeStrict(foobar), true);
+
+    assertEq(compareToRopeLessThan(test), false);
+    assertEq(compareToRopeLessThan(foobar), true);
+
+    assertEq(compareToRopeLessThanOrEquals(test), true);
+    assertEq(compareToRopeLessThanOrEquals(foobar), true);
+
+    assertEq(compareToRopeGreaterThan(test), false);
+    assertEq(compareToRopeGreaterThan(foobar), false);
+
+    assertEq(compareToRopeGreaterThanOrEquals(test), true);
+    assertEq(compareToRopeGreaterThanOrEquals(foobar), false);
+}
+
+for (var i = 0; i < 10000; i++) {
+    main();
+}