From 741b799286409d51be430a09a5ab8c6d783c4cce Mon Sep 17 00:00:00 2001 From: Mike Pennisi <mike@mikepennisi.com> Date: Wed, 15 Jul 2015 16:41:40 -0400 Subject: [PATCH] Add tests for String.prototype[Symbol.iterator] --- .../prototype/Symbol.iterator/length.js | 26 +++++++++++++++++ .../String/prototype/Symbol.iterator/name.js | 29 +++++++++++++++++++ .../prototype/Symbol.iterator/prop-desc.js | 19 ++++++++++++ .../this-val-non-obj-coercible.js | 19 ++++++++++++ .../Symbol.iterator/this-val-to-str-err.js | 21 ++++++++++++++ 5 files changed, 114 insertions(+) create mode 100644 test/built-ins/String/prototype/Symbol.iterator/length.js create mode 100644 test/built-ins/String/prototype/Symbol.iterator/name.js create mode 100644 test/built-ins/String/prototype/Symbol.iterator/prop-desc.js create mode 100644 test/built-ins/String/prototype/Symbol.iterator/this-val-non-obj-coercible.js create mode 100644 test/built-ins/String/prototype/Symbol.iterator/this-val-to-str-err.js diff --git a/test/built-ins/String/prototype/Symbol.iterator/length.js b/test/built-ins/String/prototype/Symbol.iterator/length.js new file mode 100644 index 0000000000..9ae1c2f20e --- /dev/null +++ b/test/built-ins/String/prototype/Symbol.iterator/length.js @@ -0,0 +1,26 @@ +// Copyright (C) 2015 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +es6id: 25.1.3.27 +description: Length of String.prototype[ @@iterator ] +info: > + ES6 Section 17: + Every built-in Function object, including constructors, has a length + property whose value is an integer. Unless otherwise specified, this value + is equal to the largest number of named arguments shown in the subclause + headings for the function description, including optional parameters. + + [...] + + Unless otherwise specified, the length property of a built-in Function + object has the attributes { [[Writable]]: false, [[Enumerable]]: false, + [[Configurable]]: true }. +features: [Symbol.iterator] +includes: [propertyHelper.js] +---*/ + +assert.sameValue(String.prototype[Symbol.iterator].length, 0); + +verifyNotEnumerable(String.prototype[Symbol.iterator], 'length'); +verifyNotWritable(String.prototype[Symbol.iterator], 'length'); +verifyConfigurable(String.prototype[Symbol.iterator], 'length'); diff --git a/test/built-ins/String/prototype/Symbol.iterator/name.js b/test/built-ins/String/prototype/Symbol.iterator/name.js new file mode 100644 index 0000000000..255c5269ed --- /dev/null +++ b/test/built-ins/String/prototype/Symbol.iterator/name.js @@ -0,0 +1,29 @@ +// Copyright (C) 2015 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +es6id: 25.1.3.27 +description: Descriptor for `name` property +info: > + The value of the name property of this function is "[Symbol.iterator]". + + ES6 Section 17: ECMAScript Standard Built-in Objects + + Every built-in Function object, including constructors, that is not + identified as an anonymous function has a name property whose value is a + String. Unless otherwise specified, this value is the name that is given to + the function in this specification. + + [...] + + Unless otherwise specified, the name property of a built-in Function + object, if it exists, has the attributes { [[Writable]]: false, + [[Enumerable]]: false, [[Configurable]]: true }. +features: [Symbol.iterator] +includes: [propertyHelper.js] +---*/ + +assert.sameValue(String.prototype[Symbol.iterator].name, '[Symbol.iterator]'); + +verifyNotEnumerable(String.prototype[Symbol.iterator], 'name'); +verifyNotWritable(String.prototype[Symbol.iterator], 'name'); +verifyConfigurable(String.prototype[Symbol.iterator], 'name'); diff --git a/test/built-ins/String/prototype/Symbol.iterator/prop-desc.js b/test/built-ins/String/prototype/Symbol.iterator/prop-desc.js new file mode 100644 index 0000000000..6352761e6f --- /dev/null +++ b/test/built-ins/String/prototype/Symbol.iterator/prop-desc.js @@ -0,0 +1,19 @@ +// Copyright (C) 2015 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +es6id: 25.1.3.27 +description: Property descriptor +info: > + ES6 Section 17 + + Every other data property described in clauses 18 through 26 and in Annex + B.2 has the attributes { [[Writable]]: true, [[Enumerable]]: false, + [[Configurable]]: true } unless otherwise specified. +features: [Symbol.iterator] +includes: [propertyHelper.js] +---*/ + +assert.sameValue(typeof String.prototype[Symbol.iterator], 'function'); +verifyNotEnumerable(String.prototype, Symbol.iterator); +verifyWritable(String.prototype, Symbol.iterator); +verifyConfigurable(String.prototype, Symbol.iterator); diff --git a/test/built-ins/String/prototype/Symbol.iterator/this-val-non-obj-coercible.js b/test/built-ins/String/prototype/Symbol.iterator/this-val-non-obj-coercible.js new file mode 100644 index 0000000000..17bd899b99 --- /dev/null +++ b/test/built-ins/String/prototype/Symbol.iterator/this-val-non-obj-coercible.js @@ -0,0 +1,19 @@ +// Copyright (C) 2015 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +es6id: 25.1.3.27 +description: The `this` value cannot be coerced into an object +info: > + 1. Let O be RequireObjectCoercible(this value). + 2. Let S be ToString(O). + 3. ReturnIfAbrupt(S). +features: [Symbol.iterator] +---*/ + +assert.throws(TypeError, function() { + String.prototype[Symbol.iterator].call(undefined); +}); + +assert.throws(TypeError, function() { + String.prototype[Symbol.iterator].call(null); +}); diff --git a/test/built-ins/String/prototype/Symbol.iterator/this-val-to-str-err.js b/test/built-ins/String/prototype/Symbol.iterator/this-val-to-str-err.js new file mode 100644 index 0000000000..2d36190b38 --- /dev/null +++ b/test/built-ins/String/prototype/Symbol.iterator/this-val-to-str-err.js @@ -0,0 +1,21 @@ +// Copyright (C) 2015 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +es6id: 25.1.3.27 +description: Error thrown coercing `this` value to a string +info: > + 1. Let O be RequireObjectCoercible(this value). + 2. Let S be ToString(O). + 3. ReturnIfAbrupt(S). +features: [Symbol.iterator] +---*/ + +var obj = { + toString: function() { + throw new Test262Error(); + } +}; + +assert.throws(Test262Error, function() { + String.prototype[Symbol.iterator].call(obj); +}); -- GitLab