Add m-esr52 at 52.6.0

1 files changed, 23 insertions, 0 deletions

diff --git a/js/src/jit-test/tests/basic/testFoldPropertyAccess.js b/js/src/jit-test/tests/basic/testFoldPropertyAccess.js
new file mode 100644
index 000000000..2ccb5e21f
--- /dev/null
+++ b/js/src/jit-test/tests/basic/testFoldPropertyAccess.js
@@ -0,0 +1,23 @@
+
+var cases = [
+    function (obj) {
+        return obj["ab"];
+    },
+    function (obj) {
+        return obj["a" + "b"];
+    },
+    function (obj) {
+        return obj[0 ? "cd" : "ab"];
+    },
+    function (obj) {
+        return obj[true ? "ab" : "cd"];
+    },
+    function (obj) {
+        return obj[(1 + 0) ? "ab" : "cd"];
+    }
+]
+
+for (var i = 0; i < cases.length; i++) {
+    assertEq(cases[i]({ab: 42}), 42);
+    assertEq(cases[i]({cd: 120}), undefined);
+}