1 files changed, 93 insertions, 0 deletions
diff --git a/js/src/tests/non262/TypedArray/forEach.js b/js/src/tests/non262/TypedArray/forEach.js
new file mode 100644
index 0000000000..9daa690e2e
--- /dev/null
+++ b/js/src/tests/non262/TypedArray/forEach.js
@@ -0,0 +1,93 @@
+// Tests for TypedArray#forEach
+for (var constructor of anyTypedArrayConstructors) {
+    assertEq(constructor.prototype.forEach.length, 1);
+
+    var arr = new constructor([1, 2, 3, 4, 5]);
+    // Tests for `thisArg` argument.
+    function assertThisArg(thisArg, thisValue) {
+        // In sloppy mode, `this` could be global object or a wrapper of `thisArg`.
+        arr.forEach(function() {
+            assertDeepEq(this, thisValue);
+            return false;
+        }, thisArg);
+
+        // In strict mode, `this` strictly equals `thisArg`.
+        arr.forEach(function() {
+            "use strict";
+            assertDeepEq(this, thisArg);
+            return false;
+        }, thisArg);
+
+        // Passing `thisArg` has no effect if callback is an arrow function.
+        var self = this;
+        arr.forEach(() => {
+            assertEq(this, self);
+            return false;
+        }, thisArg);
+    }
+    assertThisArg([1, 2, 3], [1, 2, 3]);
+    assertThisArg(Object, Object);
+    assertThisArg(1, Object(1));
+    assertThisArg("1", Object("1"));
+    assertThisArg(false, Object(false));
+    assertThisArg(undefined, this);
+    assertThisArg(null, this);
+
+    // Throw an exception in the callback.
+    var sum = 0;
+    var count = 0;
+    var thrown = false;
+    try {
+        assertEq(arr.forEach((v) => {
+            count++;
+            sum += v;
+            if (v === 3) {
+                throw "forEach";
+            }
+        }), undefined)
+    } catch(e) {
+        assertEq(e, "forEach");
+        thrown = true;
+    }
+    assertEq(thrown, true);
+    assertEq(sum, 6);
+    assertEq(count, 3);
+
+    // There is no callback or callback is not a function.
+    assertThrowsInstanceOf(() => {
+        arr.forEach();
+    }, TypeError);
+    var invalidCallbacks = [undefined, null, 1, false, "", Symbol(), [], {}, /./];
+    invalidCallbacks.forEach(callback => {
+        assertThrowsInstanceOf(() => {
+            arr.forEach(callback);
+        }, TypeError);
+    })
+
+    // Callback is a generator.
+    arr.forEach(function*(){
+        throw "This line will not be executed";
+    });
+
+    // Called from other globals.
+    if (typeof newGlobal === "function") {
+        var forEach = newGlobal()[constructor.name].prototype.forEach;
+        var sum = 0;
+        forEach.call(new constructor([1, 2, 3]), v => {
+            sum += v;
+        });
+        assertEq(sum, 6);
+    }
+
+    // Throws if `this` isn't a TypedArray.
+    var invalidReceivers = [undefined, null, 1, false, "", Symbol(), [], {}, /./,
+                            new Proxy(new constructor(), {})];
+    invalidReceivers.forEach(invalidReceiver => {
+        assertThrowsInstanceOf(() => {
+            constructor.prototype.forEach.call(invalidReceiver, () => true);
+        }, TypeError, "Assert that some fails if this value is not a TypedArray");
+    });
+}
+
+if (typeof reportCompare === "function")
+    reportCompare(true, true);