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-rw-r--r--js/src/jit-test/tests/sharedbuf/is-zeroed.js12
1 files changed, 12 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/sharedbuf/is-zeroed.js b/js/src/jit-test/tests/sharedbuf/is-zeroed.js
new file mode 100644
index 000000000..a6ac32b0f
--- /dev/null
+++ b/js/src/jit-test/tests/sharedbuf/is-zeroed.js
@@ -0,0 +1,12 @@
+// Test that the SharedArrayBuffer memory is properly zeroed.
+
+function f() {
+ var x = new SharedArrayBuffer(4096);
+ var y = new Int32Array(x);
+ assertEq(y[0], 0);
+ assertEq(y[1], 0);
+ assertEq(y[1023], 0);
+}
+
+if (this.SharedArrayBuffer)
+ f();