Add m-esr52 at 52.6.0

1 files changed, 38 insertions, 0 deletions

diff --git a/js/src/jit-test/tests/cacheir/nukedCCW.js b/js/src/jit-test/tests/cacheir/nukedCCW.js
new file mode 100644
index 000000000..2aad9d330
--- /dev/null
+++ b/js/src/jit-test/tests/cacheir/nukedCCW.js
@@ -0,0 +1,38 @@
+function testNuke() {
+    var wrapper = evaluate("({a: 15, b: {c: 42}})", {global: newGlobal({sameZoneAs: this})});
+
+    var i, error;
+    try {
+        for (i = 0; i < 150; i++) {
+            assertEq(wrapper.b.c, 42);
+            assertEq(wrapper.a, 15);
+
+            if (i == 142) {
+                // Next access to wrapper.b should throw.
+                nukeCCW(wrapper);
+            }
+        }
+    } catch (e) {
+        error = e;
+    }
+
+    assertEq(error.message.includes("dead object"), true);
+    assertEq(i, 143);
+}
+
+function testSweep() {
+    var wrapper = evaluate("({a: 15, b: {c: 42}})", {global: newGlobal({})});
+    var error;
+    nukeCCW(wrapper);
+    gczeal(8, 1); // Sweep zones separately
+    try {
+      // Next access to wrapper.b should throw.
+      wrapper.x = 4;
+    } catch (e) {
+        error = e;
+    }
+    assertEq(error.message.includes("dead object"), true);
+}
+
+testNuke();
+testSweep();