Add m-esr52 at 52.6.0

1 files changed, 47 insertions, 0 deletions

diff --git a/js/src/jit-test/tests/basic/destructuring-null-or-undefined-into-computed-property-name.js b/js/src/jit-test/tests/basic/destructuring-null-or-undefined-into-computed-property-name.js
new file mode 100644
index 000000000..c5d75801a
--- /dev/null
+++ b/js/src/jit-test/tests/basic/destructuring-null-or-undefined-into-computed-property-name.js
@@ -0,0 +1,47 @@
+load(libdir + 'asserts.js');
+load(libdir + 'iteration.js');
+
+var outer = "unmodified";
+
+function f(v)
+{
+  if (v + "")
+    ({ [(outer = "modified")]: v } = v);
+}
+
+assertEq(outer, "unmodified");
+f(true);
+assertEq(outer, "modified");
+
+outer = "unmodified";
+f({});
+assertEq(outer, "modified");
+
+outer = "unmodified";
+assertThrowsInstanceOf(() => f(null), TypeError);
+assertEq(outer, "unmodified");
+
+assertThrowsInstanceOf(() => f(undefined), TypeError);
+assertEq(outer, "unmodified");
+
+
+function g(v)
+{
+  if (v + "")
+    ({ [{ toString() { outer = "modified"; return 0; } }]: v } = v);
+}
+
+outer = "unmodified";
+g(true);
+assertEq(outer, "modified");
+
+outer = "unmodified";
+g({});
+assertEq(outer, "modified");
+
+outer = "unmodified";
+assertThrowsInstanceOf(() => g(undefined), TypeError);
+assertEq(outer, "unmodified");
+
+assertThrowsInstanceOf(() => g(null), TypeError);
+assertEq(outer, "unmodified");