1 files changed, 98 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/warp/property-add-shape.js b/js/src/jit-test/tests/warp/property-add-shape.js
new file mode 100644
index 0000000000..88348200bf
--- /dev/null
+++ b/js/src/jit-test/tests/warp/property-add-shape.js
@@ -0,0 +1,98 @@
+function simple() {
+  var o = {a: 1};
+  o.b = 2;
+
+  assertEq(o.a, 1);
+  assertEq(o.b, 2);
+}
+
+function condition1(b) {
+  var o = {a: 1};
+
+  if (b) {
+    o.b = 2;
+  }
+
+  o.c = 3;
+
+  assertEq(o.a, 1);
+  if (b) {
+    assertEq(o.b, 2);
+  } else {
+    assertEq('b' in o, false);
+  }
+  assertEq(o.c, 3);
+}
+
+function condition2(b) {
+  var o = {a: 1};
+
+  if (b) {
+    o.b = 2;
+  } else {
+    o.b = 3;
+  }
+
+  o.c = 3;
+
+  assertEq(o.a, 1);
+  assertEq(o.b, b ? 2 : 3);
+  assertEq(o.c, 3);
+}
+
+function condition3(b) {
+  var o = {a: 1};
+
+  if (b) {
+    o.b = 2;
+  } else {
+    o.b = 2;
+  }
+
+  o.c = 3;
+
+  assertEq(o.a, 1);
+  assertEq(o.b, 2);
+  assertEq(o.c, 3);
+}
+
+function condition4(b) {
+  var o = {a: 1};
+
+  o.bla = 2;
+  o.bla2 = 2;
+  o.bla3 = 2;
+  o.bla4 = 2;
+
+  if (b) {
+    o.b = 2;
+  } else {
+    o.c = 2;
+  }
+
+  o.d = 3;
+
+  assertEq(o.a, 1);
+  if (b) {
+    assertEq(o.b, 2);
+    assertEq('c' in o, false);
+  } else {
+    assertEq('b' in o, false);
+    assertEq(o.c, 2);
+  }
+  assertEq(o.d, 3);
+}
+
+function f() {
+  for (var i = 0; i < 10; i++) {
+    simple();
+    condition1(i % 2 == 0)
+    condition2(i % 2 == 0)
+    condition3(i % 2 == 0)
+    condition4(i % 2 == 0)
+  }
+}
+
+for (var i = 0; i < 10; i++) {
+  f();
+}