1 files changed, 123 insertions, 0 deletions
diff --git a/js/src/tests/non262/TypedArray/indexOf-and-lastIndexOf.js b/js/src/tests/non262/TypedArray/indexOf-and-lastIndexOf.js
new file mode 100644
index 0000000000..c179f78502
--- /dev/null
+++ b/js/src/tests/non262/TypedArray/indexOf-and-lastIndexOf.js
@@ -0,0 +1,123 @@
+// Tests for TypedArray#indexOf.
+for (var constructor of anyTypedArrayConstructors) {
+    assertEq(constructor.prototype.indexOf.length, 1);
+
+    // Works with one argument.
+    assertEq(new constructor([1, 2, 3, 4, 5]).indexOf(0), -1);
+    assertEq(new constructor([1, 2, 3, 4, 5]).indexOf(1), 0);
+    assertEq(new constructor([1, 2, 3, 4, 5]).indexOf(5), 4);
+    assertEq(new constructor([1, 2, 3, 4, 5]).indexOf(6), -1);
+    assertEq(new constructor([1, 2, 1, 2, 1]).indexOf(1), 0);
+
+    if (isFloatConstructor(constructor)) {
+        assertEq(new constructor([NaN, 0, -0]).indexOf(NaN), -1);
+        assertEq(new constructor([NaN, 0, -0]).indexOf(0), 1);
+        assertEq(new constructor([NaN, 0, -0]).indexOf(-0), 1);
+    } else {
+        // [NaN, 0, -0] will be coerced to [0, 0, 0]
+        assertEq(new constructor([NaN, 0, -0]).indexOf(NaN), -1);
+        assertEq(new constructor([NaN, 0, -0]).indexOf(0), 0);
+        assertEq(new constructor([NaN, 0, -0]).indexOf(-0), 0);
+    }
+
+    // Works with two arguments.
+    assertEq(new constructor([1, 2, 3, 4, 5]).indexOf(1, 1), -1);
+    assertEq(new constructor([1, 2, 3, 4, 5]).indexOf(1, -100), 0);
+    assertEq(new constructor([1, 2, 3, 4, 5]).indexOf(3, 100), -1);
+    assertEq(new constructor([1, 2, 3, 4, 5]).indexOf(5, -1), 4);
+    assertEq(new constructor([1, 2, 1, 2, 1]).indexOf(1, 2), 2);
+    assertEq(new constructor([1, 2, 1, 2, 1]).indexOf(1, -2), 4);
+
+    // Throws if `this` isn't a TypedArray.
+    var invalidReceivers = [undefined, null, 1, false, "", Symbol(), [], {}, /./,
+                            new Proxy(new constructor(), {})];
+    invalidReceivers.forEach(invalidReceiver => {
+        assertThrowsInstanceOf(() => {
+            constructor.prototype.indexOf.call(invalidReceiver);
+        }, TypeError, "Assert that indexOf fails if this value is not a TypedArray");
+    });
+
+    // test that this.length is never called
+    assertEq(Object.defineProperty(new constructor([0, 1, 2, 3, 5]), "length", {
+        get() {
+            throw new Error("length accessor called");
+        }
+    }).indexOf(1), 1);
+}
+
+for (let constructor of anyTypedArrayConstructors.filter(isFloatConstructor)) {
+    if (constructor.BYTES_PER_ELEMENT === 4) {
+        assertEq(new constructor([.1, .2, .3]).indexOf(.2), -1);
+        assertEq(new constructor([.1, .2, .3]).indexOf(Math.fround(.2)), 1);
+    } else {
+        assertEq(constructor.BYTES_PER_ELEMENT, 8);
+        assertEq(new constructor([.1, .2, .3]).indexOf(.2), 1);
+    }
+}
+
+// Tests for TypedArray#lastIndexOf.
+for (var constructor of anyTypedArrayConstructors) {
+
+    assertEq(constructor.prototype.lastIndexOf.length, 1);
+
+    // Works with one arguments.
+    assertEq(new constructor([1, 2, 3, 4, 5]).lastIndexOf(0), -1);
+    assertEq(new constructor([1, 2, 3, 4, 5]).lastIndexOf(1), 0);
+    assertEq(new constructor([1, 2, 3, 4, 5]).lastIndexOf(5), 4);
+    assertEq(new constructor([1, 2, 3, 4, 5]).lastIndexOf(6), -1);
+    assertEq(new constructor([1, 2, 1, 2, 1]).lastIndexOf(1), 4);
+
+    if (isFloatConstructor(constructor)) {
+        assertEq(new constructor([NaN, 0, -0]).lastIndexOf(NaN), -1);
+        assertEq(new constructor([NaN, 0, -0]).lastIndexOf(0), 2);
+        assertEq(new constructor([NaN, 0, -0]).lastIndexOf(-0), 2);
+    } else {
+        // [NaN, 0, -0] will be coerced to [0, 0, 0].
+        assertEq(new constructor([NaN, 0, -0]).lastIndexOf(NaN), -1);
+        assertEq(new constructor([NaN, 0, -0]).lastIndexOf(0), 2);
+        assertEq(new constructor([NaN, 0, -0]).lastIndexOf(-0), 2);
+    }
+
+    // Works with two arguments.
+    assertEq(new constructor([1, 2, 3, 4, 5]).lastIndexOf(1, 1), 0);
+    assertEq(new constructor([1, 2, 3, 4, 5]).lastIndexOf(1, -100), -1);
+    assertEq(new constructor([1, 2, 3, 4, 5]).lastIndexOf(3, 100), 2);
+    assertEq(new constructor([1, 2, 3, 4, 5]).lastIndexOf(5, -1), 4);
+    assertEq(new constructor([1, 2, 1, 2, 1]).lastIndexOf(1, 2), 2);
+    assertEq(new constructor([1, 2, 1, 2, 1]).lastIndexOf(1, -2), 2);
+
+    // Throws if `this` isn't a TypedArray.
+    var invalidReceivers = [undefined, null, 1, false, "", Symbol(), [], {}, /./,
+                            new Proxy(new constructor(), {})];
+    invalidReceivers.forEach(invalidReceiver => {
+        assertThrowsInstanceOf(() => {
+            constructor.prototype.lastIndexOf.call(invalidReceiver);
+        }, TypeError, "Assert that lastIndexOf fails if this value is not a TypedArray");
+    });
+
+    // Test that the length getter is never called.
+    assertEq(Object.defineProperty(new constructor([0, 1, 2, 3, 5]), "length", {
+        get() {
+            throw new Error("length accessor called");
+        }
+    }).lastIndexOf(1), 1);
+
+    // Starts search at last index when fromIndex parameter is absent.
+    assertEq(new constructor([10, 20, 10]).lastIndexOf(10), 2);
+
+    // Starts search at first index when fromIndex parameter is undefined.
+    assertEq(new constructor([10, 20, 10]).lastIndexOf(10, undefined), 0);
+}
+
+for (let constructor of anyTypedArrayConstructors.filter(isFloatConstructor)) {
+    if (constructor.BYTES_PER_ELEMENT === 4) {
+        assertEq(new constructor([.1, .2, .3]).lastIndexOf(.2), -1);
+        assertEq(new constructor([.1, .2, .3]).lastIndexOf(Math.fround(.2)), 1);
+    } else {
+        assertEq(constructor.BYTES_PER_ELEMENT, 8);
+        assertEq(new constructor([.1, .2, .3]).lastIndexOf(.2), 1);
+    }
+}
+
+if (typeof reportCompare === "function")
+    reportCompare(true, true);