From 89c0a952fd5b58eac4ed06ad44cbd811eb24c156 Mon Sep 17 00:00:00 2001
From: Leonardo Balter <leonardo.balter@gmail.com>
Date: Tue, 10 May 2016 15:09:24 -0400
Subject: [PATCH] Add tests for DataView.prototype.byteOffset
---
.../prototype/byteOffset/detached-buffer.js | 25 ++++++++++
.../byteOffset/invoked-as-accessor.js | 21 ++++++++
.../prototype/byteOffset/invoked-as-func.js | 24 ++++++++++
.../prototype/byteOffset/prop-desc.js | 24 ++++++++++
.../prototype/byteOffset/return-byteoffset.js | 29 +++++++++++
.../this-has-no-dataview-internal.js | 40 ++++++++++++++++
.../byteOffset/this-is-not-object.js | 48 +++++++++++++++++++
7 files changed, 211 insertions(+)
create mode 100644 test/built-ins/DataView/prototype/byteOffset/detached-buffer.js
create mode 100644 test/built-ins/DataView/prototype/byteOffset/invoked-as-accessor.js
create mode 100644 test/built-ins/DataView/prototype/byteOffset/invoked-as-func.js
create mode 100644 test/built-ins/DataView/prototype/byteOffset/prop-desc.js
create mode 100644 test/built-ins/DataView/prototype/byteOffset/return-byteoffset.js
create mode 100644 test/built-ins/DataView/prototype/byteOffset/this-has-no-dataview-internal.js
create mode 100644 test/built-ins/DataView/prototype/byteOffset/this-is-not-object.js
diff --git a/test/built-ins/DataView/prototype/byteOffset/detached-buffer.js b/test/built-ins/DataView/prototype/byteOffset/detached-buffer.js
new file mode 100644
index 0000000000..c61dd51fb0
--- /dev/null
+++ b/test/built-ins/DataView/prototype/byteOffset/detached-buffer.js
@@ -0,0 +1,25 @@
+// 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-get-dataview.prototype.byteoffset
+es6id: 24.2.4.3
+description: Throws a TypeError if the instance has a detached buffer
+info: |
+ 24.2.4.3 get DataView.prototype.byteOffset
+
+ ...
+ 5. Let buffer be the value of O's [[ViewedArrayBuffer]] internal slot.
+ 6. 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.byteOffset;
+});
diff --git a/test/built-ins/DataView/prototype/byteOffset/invoked-as-accessor.js b/test/built-ins/DataView/prototype/byteOffset/invoked-as-accessor.js
new file mode 100644
index 0000000000..890277096c
--- /dev/null
+++ b/test/built-ins/DataView/prototype/byteOffset/invoked-as-accessor.js
@@ -0,0 +1,21 @@
+// 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-get-dataview.prototype.byteoffset
+es6id: 24.2.4.3
+description: >
+ Requires this value to have a [[DataView]] internal slot
+info: |
+ 24.2.4.3 get DataView.prototype.byteOffset
+
+ 1. Let O be the this value.
+ 2. If Type(O) is not Object, throw a TypeError exception.
+ 3. If O does not have a [[DataView]] internal slot, throw a TypeError
+ exception.
+ ...
+---*/
+
+assert.throws(TypeError, function() {
+ DataView.prototype.byteOffset;
+});
diff --git a/test/built-ins/DataView/prototype/byteOffset/invoked-as-func.js b/test/built-ins/DataView/prototype/byteOffset/invoked-as-func.js
new file mode 100644
index 0000000000..c95f62525e
--- /dev/null
+++ b/test/built-ins/DataView/prototype/byteOffset/invoked-as-func.js
@@ -0,0 +1,24 @@
+// 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-get-dataview.prototype.byteoffset
+es6id: 24.2.4.3
+description: Throws a TypeError exception when invoked as a function
+info: |
+ 24.2.4.3 get DataView.prototype.byteOffset
+
+ 1. Let O be the this value.
+ 2. If Type(O) is not Object, throw a TypeError exception.
+ 3. If O does not have a [[DataView]] internal slot, throw a TypeError
+ exception.
+ ...
+---*/
+
+var getter = Object.getOwnPropertyDescriptor(
+ DataView.prototype, 'byteOffset'
+).get;
+
+assert.throws(TypeError, function() {
+ getter();
+});
diff --git a/test/built-ins/DataView/prototype/byteOffset/prop-desc.js b/test/built-ins/DataView/prototype/byteOffset/prop-desc.js
new file mode 100644
index 0000000000..d86cce071b
--- /dev/null
+++ b/test/built-ins/DataView/prototype/byteOffset/prop-desc.js
@@ -0,0 +1,24 @@
+// 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-get-dataview.prototype.byteoffset
+es6id: 24.2.4.3
+description: >
+ "byteOffset" property of DataView.prototype
+info: |
+ DataView.prototype.byteOffset 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(DataView.prototype, "byteOffset");
+
+assert.sameValue(desc.set, undefined);
+assert.sameValue(typeof desc.get, "function");
+
+verifyNotEnumerable(DataView.prototype, "byteOffset");
+verifyConfigurable(DataView.prototype, "byteOffset");
diff --git a/test/built-ins/DataView/prototype/byteOffset/return-byteoffset.js b/test/built-ins/DataView/prototype/byteOffset/return-byteoffset.js
new file mode 100644
index 0000000000..d743a8d920
--- /dev/null
+++ b/test/built-ins/DataView/prototype/byteOffset/return-byteoffset.js
@@ -0,0 +1,29 @@
+// 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-get-dataview.prototype.byteoffset
+es6id: 24.2.4.3
+description: >
+ Return value from [[ByteOffset]] internal slot
+info: |
+ 24.2.4.3 get DataView.prototype.byteOffset
+
+ ...
+ 7. Let offset be the value of O's [[ByteOffset]] internal slot.
+ 8. Return offset.
+---*/
+
+var buffer = new ArrayBuffer(12);
+
+var sample1 = new DataView(buffer, 0);
+var sample2 = new DataView(buffer, 4);
+var sample3 = new DataView(buffer, 6, 4);
+var sample4 = new DataView(buffer, 12);
+var sample5 = new DataView(buffer, 0, 2);
+
+assert.sameValue(sample1.byteOffset, 0);
+assert.sameValue(sample2.byteOffset, 4);
+assert.sameValue(sample3.byteOffset, 6);
+assert.sameValue(sample4.byteOffset, 12);
+assert.sameValue(sample5.byteOffset, 0);
diff --git a/test/built-ins/DataView/prototype/byteOffset/this-has-no-dataview-internal.js b/test/built-ins/DataView/prototype/byteOffset/this-has-no-dataview-internal.js
new file mode 100644
index 0000000000..e2d410bf3c
--- /dev/null
+++ b/test/built-ins/DataView/prototype/byteOffset/this-has-no-dataview-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.
+
+/*---
+esid: sec-get-dataview.prototype.byteoffset
+description: >
+ Throws a TypeError exception when `this` does not have a [[DataView]] internal
+ slot
+info: |
+ 24.2.4.3 get DataView.prototype.byteOffset
+
+ 1. Let O be the this value.
+ 2. If Type(O) is not Object, throw a TypeError exception.
+ 3. If O does not have a [[DataView]] internal slot, throw a TypeError
+ exception.
+ ...
+features: [Int8Array]
+---*/
+
+var getter = Object.getOwnPropertyDescriptor(
+ DataView.prototype, "byteOffset"
+).get;
+
+assert.throws(TypeError, function() {
+ getter.call({});
+}, "{}");
+
+assert.throws(TypeError, function() {
+ getter.call([]);
+}, "[]");
+
+var ab = new ArrayBuffer(8);
+assert.throws(TypeError, function() {
+ getter.call(ab);
+}, "ArrayBuffer");
+
+var ta = new Int8Array();
+assert.throws(TypeError, function() {
+ getter.call(ta);
+}, "TypedArray");
diff --git a/test/built-ins/DataView/prototype/byteOffset/this-is-not-object.js b/test/built-ins/DataView/prototype/byteOffset/this-is-not-object.js
new file mode 100644
index 0000000000..7e2038254c
--- /dev/null
+++ b/test/built-ins/DataView/prototype/byteOffset/this-is-not-object.js
@@ -0,0 +1,48 @@
+// 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-get-dataview.prototype.byteoffset
+es6id: 24.2.4.3
+description: Throws a TypeError exception when `this` is not Object
+info: |
+ 24.2.4.3 get DataView.prototype.byteOffset
+
+ 1. Let O be the this value.
+ 2. If Type(O) is not Object, throw a TypeError exception.
+ ...
+features: [Symbol]
+---*/
+
+var getter = Object.getOwnPropertyDescriptor(
+ DataView.prototype, "byteOffset"
+).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");
--
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