1 files changed, 61 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/typedarray/construct-with-sharedarraybuffer.js b/js/src/jit-test/tests/typedarray/construct-with-sharedarraybuffer.js
new file mode 100644
index 0000000000..8583901ce5
--- /dev/null
+++ b/js/src/jit-test/tests/typedarray/construct-with-sharedarraybuffer.js
@@ -0,0 +1,61 @@
+// |jit-test| skip-if: !this.SharedArrayBuffer
+
+// Test TypedArray constructor when called with SharedArrayBuffers.
+
+function testSharedArrayBuffer() {
+    function test() {
+        var sab = new SharedArrayBuffer(4 * Int32Array.BYTES_PER_ELEMENT);
+        for (var i = 0; i < 1000; ++i) {
+            var ta = new Int32Array(sab);
+            assertEq(ta.length, 4);
+        }
+    }
+    for (var i = 0; i < 2; ++i) {
+        test();
+    }
+}
+testSharedArrayBuffer();
+
+function testSharedArrayBufferAndByteOffset() {
+    function test() {
+        var sab = new SharedArrayBuffer(4 * Int32Array.BYTES_PER_ELEMENT);
+        for (var i = 0; i < 1000; ++i) {
+            var ta = new Int32Array(sab, Int32Array.BYTES_PER_ELEMENT);
+            assertEq(ta.length, 3);
+        }
+    }
+    for (var i = 0; i < 2; ++i) {
+        test();
+    }
+}
+testSharedArrayBufferAndByteOffset();
+
+function testSharedArrayBufferAndByteOffsetAndLength() {
+    function test() {
+        var sab = new SharedArrayBuffer(4 * Int32Array.BYTES_PER_ELEMENT);
+        for (var i = 0; i < 1000; ++i) {
+            var ta = new Int32Array(sab, Int32Array.BYTES_PER_ELEMENT, 2);
+            assertEq(ta.length, 2);
+        }
+    }
+    for (var i = 0; i < 2; ++i) {
+        test();
+    }
+}
+testSharedArrayBufferAndByteOffsetAndLength();
+
+function testWrappedSharedArrayBuffer() {
+    var g = newGlobal();
+
+    function test() {
+        var sab = new g.SharedArrayBuffer(4 * Int32Array.BYTES_PER_ELEMENT);
+        for (var i = 0; i < 1000; ++i) {
+            var ta = new Int32Array(sab);
+            assertEq(ta.length, 4);
+        }
+    }
+    for (var i = 0; i < 2; ++i) {
+        test();
+    }
+}
+testWrappedSharedArrayBuffer();