Add tests for ArrayBuffer.prototype.byteLength

test/built-ins/ArrayBuffer/prototype/byteLength/detached-buffer.js

@@ -0,0 +1,23 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 24.1.4.1
+esid: sec-get-arraybuffer.prototype.bytelength
+description: Returns 0 if the buffer is detached
+info: >
+  24.1.4.1 get ArrayBuffer.prototype.byteLength
+
+  1. Let O be the this value.
+  ...
+  4. If IsDetachedBuffer(O) is true, throw a TypeError exception.
+  ...
+includes: [detachArrayBuffer.js]
+---*/
+
+var ab = new ArrayBuffer(1);
+
+$DETACHBUFFER(ab);
+
+assert.throws(TypeError, function() {
+  ab.byteLength;
+});

test/built-ins/ArrayBuffer/prototype/byteLength/invoked-as-accessor.js

@@ -0,0 +1,19 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 24.1.4.1
+esid: sec-get-arraybuffer.prototype.bytelength
+description: Requires this value to have a [[ArrayBufferData]] internal slot
+info: >
+  24.1.4.1 get ArrayBuffer.prototype.byteLength
+
+  1. Let O be the this value.
+  2. If Type(O) is not Object, throw a TypeError exception.
+  3. If O does not have an [[ArrayBufferData]] internal slot, throw a TypeError
+  exception.
+  ...
+---*/
+
+assert.throws(TypeError, function() {
+  ArrayBuffer.prototype.byteLength;
+});

test/built-ins/ArrayBuffer/prototype/byteLength/invoked-as-func.js

@@ -0,0 +1,23 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 24.1.4.1
+esid: sec-get-arraybuffer.prototype.bytelength
+description: Throws a TypeError exception when invoked as a function
+info: >
+  24.1.4.1 get ArrayBuffer.prototype.byteLength
+
+  1. Let O be the this value.
+  2. If Type(O) is not Object, throw a TypeError exception.
+  3. If O does not have an [[ArrayBufferData]] internal slot, throw a TypeError
+  exception.
+  ...
+---*/
+
+var getter = Object.getOwnPropertyDescriptor(
+  ArrayBuffer.prototype, "byteLength"
+).get;
+
+assert.throws(TypeError, function() {
+  getter();
+});

test/built-ins/ArrayBuffer/prototype/byteLength/prop-desc.js

@@ -0,0 +1,23 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 24.1.4.1
+esid: sec-get-arraybuffer.prototype.bytelength
+description: >
+  "byteLength" property of ArrayBuffer.prototype
+info: >
+  ArrayBuffer.prototype.byteLength is an accessor property whose set accessor
+  function is undefined.
+
+  Section 17: Every accessor property described in clauses 18 through 26 and in
+  Annex B.2 has the attributes {[[Enumerable]]: false, [[Configurable]]: true }
+includes: [propertyHelper.js]
+---*/
+
+var desc = Object.getOwnPropertyDescriptor(ArrayBuffer.prototype, "byteLength");
+
+assert.sameValue(desc.set, undefined);
+assert.sameValue(typeof desc.get, "function");
+
+verifyNotEnumerable(ArrayBuffer.prototype, "byteLength");
+verifyConfigurable(ArrayBuffer.prototype, "byteLength");

test/built-ins/ArrayBuffer/prototype/byteLength/return-bytelength.js

@@ -0,0 +1,19 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 24.1.4.1
+esid: sec-get-arraybuffer.prototype.bytelength
+description: Return value from [[ByteLength]] internal slot
+info: >
+  24.1.4.1 get ArrayBuffer.prototype.byteLength
+
+  ...
+  5. Let length be the value of O's [[ArrayBufferByteLength]] internal slot.
+  6. Return length.
+---*/
+
+var ab1 = new ArrayBuffer(0);
+assert.sameValue(ab1.byteLength, 0);
+
+var ab2 = new ArrayBuffer(42);
+assert.sameValue(ab2.byteLength, 42);

test/built-ins/ArrayBuffer/prototype/byteLength/this-has-no-typedarrayname-internal.js

@@ -0,0 +1,40 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 24.1.4.1
+esid: sec-get-arraybuffer.prototype.bytelength
+description: >
+  Throws a TypeError exception when `this` does not have a [[ArrayBufferData]]
+  internal slot
+info: >
+  24.1.4.1 get ArrayBuffer.prototype.byteLength
+
+  1. Let O be the this value.
+  2. If Type(O) is not Object, throw a TypeError exception.
+  3. If O does not have an [[ArrayBufferData]] internal slot, throw a TypeError
+  exception.
+  ...
+features: [DataView, Int8Array]
+---*/
+
+var getter = Object.getOwnPropertyDescriptor(
+  ArrayBuffer.prototype, "byteLength"
+).get;
+
+assert.throws(TypeError, function() {
+  getter.call({});
+});
+
+assert.throws(TypeError, function() {
+  getter.call([]);
+});
+
+var ta = new Int8Array(8);
+assert.throws(TypeError, function() {
+  getter.call(ta);
+});
+
+var dv = new DataView(new ArrayBuffer(8), 0);
+assert.throws(TypeError, function() {
+  getter.call(dv);
+});

test/built-ins/ArrayBuffer/prototype/byteLength/this-is-not-object.js

@@ -0,0 +1,47 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 24.1.4.1
+esid: sec-get-arraybuffer.prototype.bytelength
+description: Throws a TypeError exception when `this` is not Object
+info: >
+  24.1.4.1 get ArrayBuffer.prototype.byteLength
+
+  1. Let O be the this value.
+  2. If Type(O) is not Object, throw a TypeError exception.
+  ...
+features: [Symbol]
+---*/
+
+var getter = Object.getOwnPropertyDescriptor(
+  ArrayBuffer.prototype, "byteLength"
+).get;
+
+assert.throws(TypeError, function() {
+  getter.call(undefined);
+}, "this is undefined");
+
+assert.throws(TypeError, function() {
+  getter.call(null);
+}, "this is null");
+
+assert.throws(TypeError, function() {
+  getter.call(42);
+}, "this is 42");
+
+assert.throws(TypeError, function() {
+  getter.call("1");
+}, "this is a string");
+
+assert.throws(TypeError, function() {
+  getter.call(true);
+}, "this is true");
+
+assert.throws(TypeError, function() {
+  getter.call(false);
+}, "this is false");
+
+var s = Symbol("s");
+assert.throws(TypeError, function() {
+  getter.call(s);
+}, "this is a Symbol");