| const constructors = [ |
| Int8Array, |
| Uint8Array, |
| Uint8ClampedArray, |
| Int16Array, |
| Uint16Array, |
| Int32Array, |
| Uint32Array, |
| Float32Array, |
| Float64Array ]; |
| |
| if (typeof SharedArrayBuffer != "undefined") |
| constructors.push(sharedConstructor(Int8Array), |
| sharedConstructor(Uint8Array), |
| sharedConstructor(Int16Array), |
| sharedConstructor(Uint16Array), |
| sharedConstructor(Int32Array), |
| sharedConstructor(Uint32Array), |
| sharedConstructor(Float32Array), |
| sharedConstructor(Float64Array)); |
| |
| // Tests for TypedArray#indexOf. |
| for (var constructor of constructors) { |
| 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 (isFloatingConstructor(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); |
| } |
| |
| assertEq(new Float32Array([.1, .2, .3]).indexOf(.2), -1); |
| assertEq(new Float32Array([.1, .2, .3]).indexOf(Math.fround(.2)), 1); |
| assertEq(new Float64Array([.1, .2, .3]).indexOf(.2), 1); |
| |
| // Tests for TypedArray#lastIndexOf. |
| for (var constructor of constructors) { |
| |
| 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 (isFloatingConstructor(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); |
| } |
| |
| assertEq(new Float32Array([.1, .2, .3]).lastIndexOf(.2), -1); |
| assertEq(new Float32Array([.1, .2, .3]).lastIndexOf(Math.fround(.2)), 1); |
| assertEq(new Float64Array([.1, .2, .3]).lastIndexOf(.2), 1); |
| |
| if (typeof reportCompare === "function") |
| reportCompare(true, true); |