Add tests for DataView.prototype.getInt16

test/built-ins/DataView/prototype/getInt16/byteoffset-is-different-integer-throws.js

@@ -0,0 +1,54 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-dataview.prototype.getint16
+es6id: 24.2.4.8
+description: >
+  Throws a RangeError if numberIndex ≠ getIndex
+info: |
+  24.2.4.8 DataView.prototype.getInt16 ( byteOffset [ , littleEndian ] )
+
+  1. Let v be the this value.
+  2. If littleEndian is not present, let littleEndian be false.
+  3. Return ? GetViewValue(v, byteOffset, littleEndian, "Int16").
+
+  24.2.1.1 GetViewValue ( view, requestIndex, isLittleEndian, type )
+
+  ...
+  4. Let numberIndex be ? ToNumber(requestIndex).
+  5. Let getIndex be ToInteger(numberIndex).
+  6. If numberIndex ≠ getIndex or getIndex < 0, throw a RangeError exception.
+  ...
+---*/
+
+var buffer = new ArrayBuffer(12);
+var sample = new DataView(buffer, 0);
+
+assert.throws(RangeError, function() {
+  sample.getInt16();
+}, "no args");
+
+assert.throws(RangeError, function() {
+  sample.getInt16(undefined);
+}, "undefined");
+
+assert.throws(RangeError, function() {
+  sample.getInt16(1.1);
+}, "floating number");
+
+assert.throws(RangeError, function() {
+  sample.getInt16(0.1);
+}, "0.1");
+
+assert.throws(RangeError, function() {
+  sample.getInt16(NaN);
+}, "NaN");
+
+assert.throws(RangeError, function() {
+  sample.getInt16(-0.1);
+}, "-0.1");
+
+assert.throws(RangeError, function() {
+  sample.getInt16(-1.1);
+}, "-1.1");

test/built-ins/DataView/prototype/getInt16/byteoffset-is-negative-throws.js

@@ -0,0 +1,34 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-dataview.prototype.getint16
+es6id: 24.2.4.8
+description: >
+  Throws a RangeError if getIndex < 0
+info: |
+  24.2.4.8 DataView.prototype.getInt16 ( byteOffset [ , littleEndian ] )
+
+  1. Let v be the this value.
+  2. If littleEndian is not present, let littleEndian be false.
+  3. Return ? GetViewValue(v, byteOffset, littleEndian, "Int16").
+
+  24.2.1.1 GetViewValue ( view, requestIndex, isLittleEndian, type )
+
+  ...
+  4. Let numberIndex be ? ToNumber(requestIndex).
+  5. Let getIndex be ToInteger(numberIndex).
+  6. If numberIndex ≠ getIndex or getIndex < 0, throw a RangeError exception.
+  ...
+---*/
+
+var buffer = new ArrayBuffer(12);
+var sample = new DataView(buffer, 0);
+
+assert.throws(RangeError, function() {
+  sample.getInt16(-1);
+}, "-1");
+
+assert.throws(RangeError, function() {
+  sample.getInt16(-Infinity);
+}, "-Infinity");

test/built-ins/DataView/prototype/getInt16/detached-buffer-after-integer-byteoffset.js

@@ -0,0 +1,38 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-dataview.prototype.getint16
+es6id: 24.2.4.8
+description: >
+  Detached buffer is checked after checking If numberIndex ≠ getIndex or
+  getIndex < 0,
+info: |
+  24.2.4.8 DataView.prototype.getInt16 ( byteOffset [ , littleEndian ] )
+
+  1. Let v be the this value.
+  2. If littleEndian is not present, let littleEndian be false.
+  3. Return ? GetViewValue(v, byteOffset, littleEndian, "Int16").
+
+  24.2.1.1 GetViewValue ( view, requestIndex, isLittleEndian, type )
+
+  ...
+  6. If numberIndex ≠ getIndex or getIndex < 0, throw a RangeError exception.
+  ...
+  8. Let buffer be the value of view's [[ViewedArrayBuffer]] internal slot.
+  9. If IsDetachedBuffer(buffer) is true, throw a TypeError exception.
+  ...
+includes: [detachArrayBuffer.js]
+---*/
+
+var buffer = new ArrayBuffer(8);
+var sample = new DataView(buffer, 0);
+
+$DETACHBUFFER(buffer);
+assert.throws(RangeError, function() {
+  sample.getInt16(1.1);
+});
+
+assert.throws(RangeError, function() {
+  sample.getInt16(-1);
+});

test/built-ins/DataView/prototype/getInt16/detached-buffer-before-outofrange-byteoffset.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.
+
+/*---
+esid: sec-dataview.prototype.getint16
+es6id: 24.2.4.8
+description: >
+  Detached buffer is checked before out of range byteOffset's value
+info: |
+  24.2.4.8 DataView.prototype.getInt16 ( byteOffset [ , littleEndian ] )
+
+  1. Let v be the this value.
+  2. If littleEndian is not present, let littleEndian be false.
+  3. Return ? GetViewValue(v, byteOffset, littleEndian, "Int16").
+
+  24.2.1.1 GetViewValue ( view, requestIndex, isLittleEndian, type )
+
+  ...
+  8. Let buffer be the value of view's [[ViewedArrayBuffer]] internal slot.
+  9. If IsDetachedBuffer(buffer) is true, throw a TypeError exception.
+  ...
+  13. If getIndex + elementSize > viewSize, throw a RangeError exception.
+  ...
+includes: [detachArrayBuffer.js]
+---*/
+
+var sample;
+var buffer = new ArrayBuffer(12);
+
+sample = new DataView(buffer, 0);
+
+$DETACHBUFFER(buffer);
+
+assert.throws(TypeError, function() {
+  sample.getInt16(Infinity);
+}, "Infinity");
+
+assert.throws(TypeError, function() {
+  sample.getInt16(13);
+}, "13");

test/built-ins/DataView/prototype/getInt16/detached-buffer.js

@@ -0,0 +1,31 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-dataview.prototype.getint16
+es6id: 24.2.4.8
+description: >
+  Throws a TypeError if buffer is detached
+info: |
+  24.2.4.8 DataView.prototype.getInt16 ( byteOffset [ , littleEndian ] )
+
+  1. Let v be the this value.
+  2. If littleEndian is not present, let littleEndian be false.
+  3. Return ? GetViewValue(v, byteOffset, littleEndian, "Int16").
+
+  24.2.1.1 GetViewValue ( view, requestIndex, isLittleEndian, type )
+
+  ...
+  8. Let buffer be the value of view's [[ViewedArrayBuffer]] internal slot.
+  9. If IsDetachedBuffer(buffer) is true, throw a TypeError exception.
+  ...
+includes: [detachArrayBuffer.js]
+---*/
+
+var buffer = new ArrayBuffer(1);
+var sample = new DataView(buffer, 0);
+
+$DETACHBUFFER(buffer);
+assert.throws(TypeError, function() {
+  sample.getInt16(0);
+});

test/built-ins/DataView/prototype/getInt16/index-is-out-of-range.js

@@ -0,0 +1,76 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-dataview.prototype.getint16
+es6id: 24.2.4.8
+description: >
+  Throws a RangeError if getIndex + elementSize > viewSize
+info: |
+  24.2.4.8 DataView.prototype.getInt16 ( byteOffset [ , littleEndian ] )
+
+  1. Let v be the this value.
+  2. If littleEndian is not present, let littleEndian be false.
+  3. Return ? GetViewValue(v, byteOffset, littleEndian, "Int16").
+
+  24.2.1.1 GetViewValue ( view, requestIndex, isLittleEndian, type )
+
+  ...
+  10. Let viewOffset be the value of view's [[ByteOffset]] internal slot.
+  11. Let viewSize be the value of view's [[ByteLength]] internal slot.
+  12. Let elementSize be the Number value of the Element Size value specified in
+  Table 50 for Element Type type.
+  13. If getIndex + elementSize > viewSize, throw a RangeError exception.
+  ...
+---*/
+
+var sample;
+var buffer = new ArrayBuffer(12);
+
+sample = new DataView(buffer, 0);
+
+assert.throws(RangeError, function() {
+  sample.getInt16(Infinity);
+}, "getIndex == Infinity");
+
+assert.throws(RangeError, function() {
+  sample.getInt16(13);
+}, "13 + 2 > 12");
+
+assert.throws(RangeError, function() {
+  sample.getInt16(12);
+}, "12 + 2 > 12");
+
+assert.throws(RangeError, function() {
+  sample.getInt16(11);
+}, "11 + 2 > 12");
+
+sample = new DataView(buffer, 10);
+assert.throws(RangeError, function() {
+  sample.getInt16(1);
+}, "1 + 2 > 2 (offset)");
+
+sample = new DataView(buffer, 11);
+assert.throws(RangeError, function() {
+  sample.getInt16(0);
+}, "0 + 2 > 1 (offset)");
+
+sample = new DataView(buffer, 0, 2);
+assert.throws(RangeError, function() {
+  sample.getInt16(1);
+}, "1 + 2 > 2 (length)");
+
+sample = new DataView(buffer, 0, 1);
+assert.throws(RangeError, function() {
+  sample.getInt16(0);
+}, "0 + 2 > 1 (length)");
+
+sample = new DataView(buffer, 4, 2);
+assert.throws(RangeError, function() {
+  sample.getInt16(1);
+}, "1 + 2 > 2 (offset+length)");
+
+sample = new DataView(buffer, 4, 1);
+assert.throws(RangeError, function() {
+  sample.getInt16(0);
+}, "0 + 2 > 1 (offset+length)");

test/built-ins/DataView/prototype/getInt16/return-abrupt-from-tonumber-byteoffset-symbol.js

@@ -0,0 +1,31 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-dataview.prototype.getint16
+es6id: 24.2.4.8
+description: >
+  Return abrupt from ToNumber(symbol byteOffset)
+info: |
+  24.2.4.8 DataView.prototype.getInt16 ( byteOffset [ , littleEndian ] )
+
+  1. Let v be the this value.
+  2. If littleEndian is not present, let littleEndian be false.
+  3. Return ? GetViewValue(v, byteOffset, littleEndian, "Int16").
+
+  24.2.1.1 GetViewValue ( view, requestIndex, isLittleEndian, type )
+
+  ...
+  4. Let numberIndex be ? ToNumber(requestIndex).
+  ...
+features: [Symbol]
+---*/
+
+var buffer = new ArrayBuffer(1);
+var sample = new DataView(buffer, 0);
+
+var s = Symbol("1");
+
+assert.throws(TypeError, function() {
+  sample.getInt16(s);
+});

test/built-ins/DataView/prototype/getInt16/return-abrupt-from-tonumber-byteoffset.js

@@ -0,0 +1,44 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-dataview.prototype.getint16
+es6id: 24.2.4.8
+description: >
+  Return abrupt from ToNumber(byteOffset)
+info: |
+  24.2.4.8 DataView.prototype.getInt16 ( byteOffset [ , littleEndian ] )
+
+  1. Let v be the this value.
+  2. If littleEndian is not present, let littleEndian be false.
+  3. Return ? GetViewValue(v, byteOffset, littleEndian, "Int16").
+
+  24.2.1.1 GetViewValue ( view, requestIndex, isLittleEndian, type )
+
+  ...
+  4. Let numberIndex be ? ToNumber(requestIndex).
+  ...
+---*/
+
+var buffer = new ArrayBuffer(1);
+var sample = new DataView(buffer, 0);
+
+var bo1 = {
+  valueOf: function() {
+    throw new Test262Error();
+  }
+};
+
+var bo2 = {
+  toString: function() {
+    throw new Test262Error();
+  }
+};
+
+assert.throws(Test262Error, function() {
+  sample.getInt16(bo1);
+}, "valueOf");
+
+assert.throws(Test262Error, function() {
+  sample.getInt16(bo2);
+}, "toString");

test/built-ins/DataView/prototype/getInt16/return-value-clean-arraybuffer.js

@@ -0,0 +1,43 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-dataview.prototype.getint16
+es6id: 24.2.4.8
+description: >
+  Return value from Buffer using a clean ArrayBuffer
+info: |
+  24.2.4.8 DataView.prototype.getInt16 ( byteOffset [ , littleEndian ] )
+
+  1. Let v be the this value.
+  2. If littleEndian is not present, let littleEndian be false.
+  3. Return ? GetViewValue(v, byteOffset, littleEndian, "Int16").
+
+  24.2.1.1 GetViewValue ( view, requestIndex, isLittleEndian, type )
+
+  ...
+  14. Let bufferIndex be getIndex + viewOffset.
+  15. Return GetValueFromBuffer(buffer, bufferIndex, type, isLittleEndian).
+  ...
+
+  24.1.1.5 GetValueFromBuffer ( arrayBuffer, byteIndex, type [ , isLittleEndian
+  ] )
+
+  ...
+  8. If isLittleEndian is false, reverse the order of the elements of rawValue.
+  ...
+---*/
+
+var buffer = new ArrayBuffer(6);
+var sample = new DataView(buffer, 0);
+
+assert.sameValue(sample.getInt16(0, true), 0, "sample.getInt16(0, true)");
+assert.sameValue(sample.getInt16(1, true), 0, "sample.getInt16(1, true)");
+assert.sameValue(sample.getInt16(2, true), 0, "sample.getInt16(2, true)");
+assert.sameValue(sample.getInt16(3, true), 0, "sample.getInt16(3, true)");
+assert.sameValue(sample.getInt16(4, true), 0, "sample.getInt16(4, true)");
+assert.sameValue(sample.getInt16(0, false), 0, "sample.getInt16(0, false)");
+assert.sameValue(sample.getInt16(1, false), 0, "sample.getInt16(1, false)");
+assert.sameValue(sample.getInt16(2, false), 0, "sample.getInt16(2, false)");
+assert.sameValue(sample.getInt16(3, false), 0, "sample.getInt16(3, false)");
+assert.sameValue(sample.getInt16(4, false), 0, "sample.getInt16(4, false)");

test/built-ins/DataView/prototype/getInt16/return-values-coerced-byteoffset.js

@@ -0,0 +1,71 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-dataview.prototype.getint16
+es6id: 24.2.4.8
+description: >
+  Return values using coerced ToInteger byteOffset values
+info: |
+  24.2.4.8 DataView.prototype.getInt16 ( byteOffset [ , littleEndian ] )
+
+  1. Let v be the this value.
+  2. If littleEndian is not present, let littleEndian be false.
+  3. Return ? GetViewValue(v, byteOffset, littleEndian, "Int16").
+
+  24.2.1.1 GetViewValue ( view, requestIndex, isLittleEndian, type )
+
+  ...
+  14. Let bufferIndex be getIndex + viewOffset.
+  15. Return GetValueFromBuffer(buffer, bufferIndex, type, isLittleEndian).
+  ...
+
+  24.1.1.5 GetValueFromBuffer ( arrayBuffer, byteIndex, type [ , isLittleEndian
+  ] )
+
+  ...
+  8. If isLittleEndian is false, reverse the order of the elements of rawValue.
+  ...
+features: [DataView.prototype.setUint8]
+---*/
+
+var buffer = new ArrayBuffer(3);
+var sample = new DataView(buffer, 0);
+
+sample.setUint8(0, 127);
+sample.setUint8(1, 255);
+sample.setUint8(2, 1);
+
+assert.sameValue(sample.getInt16("", false), 32767, "'', false");
+assert.sameValue(sample.getInt16("", true), -129, "'', true");
+
+assert.sameValue(sample.getInt16("0", false), 32767, "'0', false");
+assert.sameValue(sample.getInt16("0", true), -129, "'0', true");
+
+assert.sameValue(sample.getInt16("1", false), -255, "'1', false");
+assert.sameValue(sample.getInt16("1", true), 511, "'1', true");
+
+var obj1 = {
+  valueOf: function() {
+    return 1;
+  }
+};
+assert.sameValue(sample.getInt16(obj1, false), -255, "{}.valueOf, false");
+assert.sameValue(sample.getInt16(obj1, true), 511, "{}.valueOf, true");
+
+var obj2 = {
+  toString: function() {
+    return 1;
+  }
+};
+assert.sameValue(sample.getInt16(obj2, false), -255, "{}.toString, false");
+assert.sameValue(sample.getInt16(obj2, true), 511, "{}.toString, true");
+
+assert.sameValue(sample.getInt16(true, false), -255, "true, false");
+assert.sameValue(sample.getInt16(true, true), 511, "true, true");
+
+assert.sameValue(sample.getInt16(false, false), 32767, "false, false");
+assert.sameValue(sample.getInt16(false, true), -129, "false, true");
+
+assert.sameValue(sample.getInt16(null, false), 32767, "null, false");
+assert.sameValue(sample.getInt16(null, true), -129, "null, true");

test/built-ins/DataView/prototype/getInt16/return-values-custom-offset.js

@@ -0,0 +1,52 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-dataview.prototype.getint16
+es6id: 24.2.4.8
+description: >
+  Return values from Buffer using a custom offset
+info: |
+  24.2.4.8 DataView.prototype.getInt16 ( byteOffset [ , littleEndian ] )
+
+  1. Let v be the this value.
+  2. If littleEndian is not present, let littleEndian be false.
+  3. Return ? GetViewValue(v, byteOffset, littleEndian, "Int16").
+
+  24.2.1.1 GetViewValue ( view, requestIndex, isLittleEndian, type )
+
+  ...
+  14. Let bufferIndex be getIndex + viewOffset.
+  15. Return GetValueFromBuffer(buffer, bufferIndex, type, isLittleEndian).
+  ...
+
+  24.1.1.5 GetValueFromBuffer ( arrayBuffer, byteIndex, type [ , isLittleEndian
+  ] )
+
+  ...
+  8. If isLittleEndian is false, reverse the order of the elements of rawValue.
+  ...
+features: [DataView.prototype.setUint8]
+---*/
+
+var buffer = new ArrayBuffer(8);
+var sample = new DataView(buffer, 0);
+
+sample.setUint8(0, 0);
+sample.setUint8(1, 2);
+sample.setUint8(2, 6);
+sample.setUint8(3, 2);
+sample.setUint8(4, 128);
+sample.setUint8(5, 42);
+sample.setUint8(6, 128);
+sample.setUint8(7, 39);
+
+sample = new DataView(buffer, 4);
+
+assert.sameValue(sample.getInt16(0, false), -32726, "0, false");
+assert.sameValue(sample.getInt16(1, false), 10880, "1, false");
+assert.sameValue(sample.getInt16(2, false), -32729, "2, false");
+
+assert.sameValue(sample.getInt16(0, true), 10880, "0, true");
+assert.sameValue(sample.getInt16(1, true), -32726, "1, true");
+assert.sameValue(sample.getInt16(2, true), 10112, "2, true");

test/built-ins/DataView/prototype/getInt16/return-values.js

@@ -0,0 +1,58 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-dataview.prototype.getint16
+es6id: 24.2.4.8
+description: >
+  Return values from Buffer
+info: |
+  24.2.4.8 DataView.prototype.getInt16 ( byteOffset [ , littleEndian ] )
+
+  1. Let v be the this value.
+  2. If littleEndian is not present, let littleEndian be false.
+  3. Return ? GetViewValue(v, byteOffset, littleEndian, "Int16").
+
+  24.2.1.1 GetViewValue ( view, requestIndex, isLittleEndian, type )
+
+  ...
+  14. Let bufferIndex be getIndex + viewOffset.
+  15. Return GetValueFromBuffer(buffer, bufferIndex, type, isLittleEndian).
+  ...
+
+  24.1.1.5 GetValueFromBuffer ( arrayBuffer, byteIndex, type [ , isLittleEndian
+  ] )
+
+  ...
+  8. If isLittleEndian is false, reverse the order of the elements of rawValue.
+  ...
+features: [DataView.prototype.setUint8]
+---*/
+
+var buffer = new ArrayBuffer(8);
+var sample = new DataView(buffer, 0);
+
+sample.setUint8(0, 127);
+sample.setUint8(1, 255);
+sample.setUint8(2, 255);
+sample.setUint8(3, 255);
+sample.setUint8(4, 128);
+sample.setUint8(5, 0);
+sample.setUint8(6, 1);
+sample.setUint8(7, 0);
+
+assert.sameValue(sample.getInt16(0, false), 32767, "0, false");
+assert.sameValue(sample.getInt16(1, false), -1, "1, false");
+assert.sameValue(sample.getInt16(2, false), -1, "2, false");
+assert.sameValue(sample.getInt16(3, false), -128, "3, false");
+assert.sameValue(sample.getInt16(4, false), -32768, "4, false");
+assert.sameValue(sample.getInt16(5, false), 1, "5, false");
+assert.sameValue(sample.getInt16(6, false), 256, "8, false");
+
+assert.sameValue(sample.getInt16(0, true), -129, "0, true");
+assert.sameValue(sample.getInt16(1, true), -1, "1, true");
+assert.sameValue(sample.getInt16(2, true), -1, "2, true");
+assert.sameValue(sample.getInt16(3, true), -32513, "3, true");
+assert.sameValue(sample.getInt16(4, true), 128, "4, true");
+assert.sameValue(sample.getInt16(5, true), 256, "5, true");
+assert.sameValue(sample.getInt16(6, true), 1, "6, true");

test/built-ins/DataView/prototype/getInt16/this-has-no-dataview-internal.js

@@ -0,0 +1,43 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-dataview.prototype.getint16
+es6id: 24.2.4.8
+description: >
+  Throws a TypeError if this does not have a [[DataView]] internal slot
+info: |
+  24.2.4.8 DataView.prototype.getInt16 ( byteOffset [ , littleEndian ] )
+
+  1. Let v be the this value.
+  2. If littleEndian is not present, let littleEndian be false.
+  3. Return ? GetViewValue(v, byteOffset, littleEndian, "Int16").
+
+  24.2.1.1 GetViewValue ( view, requestIndex, isLittleEndian, type )
+
+  1. If Type(view) is not Object, throw a TypeError exception.
+  2. If view does not have a [[DataView]] internal slot, throw a TypeError
+  exception.
+  ...
+features: [Int8Array]
+---*/
+
+var getInt16 = DataView.prototype.getInt16;
+
+assert.throws(TypeError, function() {
+  getInt16.call({});
+}, "{}");
+
+assert.throws(TypeError, function() {
+  getInt16.call([]);
+}, "[]");
+
+var ab = new ArrayBuffer(1);
+assert.throws(TypeError, function() {
+  getInt16.call(ab);
+}, "ArrayBuffer");
+
+var ta = new Int8Array();
+assert.throws(TypeError, function() {
+  getInt16.call(ta);
+}, "TypedArray");

test/built-ins/DataView/prototype/getInt16/this-is-not-object.js

@@ -0,0 +1,51 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-dataview.prototype.getint16
+es6id: 24.2.4.8
+description: Throws a TypeError if this is not Object
+info: |
+  24.2.4.8 DataView.prototype.getInt16 ( byteOffset [ , littleEndian ] )
+
+  1. Let v be the this value.
+  2. If littleEndian is not present, let littleEndian be false.
+  3. Return ? GetViewValue(v, byteOffset, littleEndian, "Int16").
+
+  24.2.1.1 GetViewValue ( view, requestIndex, isLittleEndian, type )
+
+  1. If Type(view) is not Object, throw a TypeError exception.
+  ...
+features: [Symbol]
+---*/
+
+var getInt16 = DataView.prototype.getInt16;
+
+assert.throws(TypeError, function() {
+  getInt16.call(undefined);
+}, "undefined");
+
+assert.throws(TypeError, function() {
+  getInt16.call(null);
+}, "null");
+
+assert.throws(TypeError, function() {
+  getInt16.call(1);
+}, "1");
+
+assert.throws(TypeError, function() {
+  getInt16.call("string");
+}, "string");
+
+assert.throws(TypeError, function() {
+  getInt16.call(true);
+}, "true");
+
+assert.throws(TypeError, function() {
+  getInt16.call(false);
+}, "false");
+
+var s = Symbol("1");
+assert.throws(TypeError, function() {
+  getInt16.call(s);
+}, "symbol");

test/built-ins/DataView/prototype/getInt16/to-boolean-littleendian.js

@@ -0,0 +1,49 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-dataview.prototype.getint16
+es6id: 24.2.4.8
+description: >
+  Boolean littleEndian argument coerced in ToBoolean
+info: |
+  24.2.4.8 DataView.prototype.getInt16 ( byteOffset [ , littleEndian ] )
+
+  1. Let v be the this value.
+  2. If littleEndian is not present, let littleEndian be false.
+  3. Return ? GetViewValue(v, byteOffset, littleEndian, "Int16").
+
+  24.2.1.1 GetViewValue ( view, requestIndex, isLittleEndian, type )
+
+  ...
+  14. Let bufferIndex be getIndex + viewOffset.
+  15. Return GetValueFromBuffer(buffer, bufferIndex, type, isLittleEndian).
+  ...
+
+  24.1.1.5 GetValueFromBuffer ( arrayBuffer, byteIndex, type [ , isLittleEndian
+  ] )
+
+  ...
+  8. If isLittleEndian is false, reverse the order of the elements of rawValue.
+  ...
+features: [DataView.prototype.setUint8, Symbol]
+---*/
+
+var buffer = new ArrayBuffer(2);
+var sample = new DataView(buffer, 0);
+
+sample.setUint8(0, 0);
+sample.setUint8(1, 42);
+
+// False
+assert.sameValue(sample.getInt16(0), 42, "no arg");
+assert.sameValue(sample.getInt16(0, undefined), 42, "undefined");
+assert.sameValue(sample.getInt16(0, null), 42, "null");
+assert.sameValue(sample.getInt16(0, 0), 42, "0");
+assert.sameValue(sample.getInt16(0, ""), 42, "the empty string");
+
+// True
+assert.sameValue(sample.getInt16(0, {}), 10752, "{}");
+assert.sameValue(sample.getInt16(0, Symbol("1")), 10752, "symbol");
+assert.sameValue(sample.getInt16(0, 1), 10752, "1");
+assert.sameValue(sample.getInt16(0, "string"), 10752, "string");