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Provide more useful and realistic test examples in CONTRIBUTING.md 

Per advice from @leobalter, based upon content from test/language/expressions/dynamic-import
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Richard Gibson 2019-03-29 14:22:40 -04:00
parent 409c598faf
commit ca8e292310
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CONTRIBUTING.md
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@ -29,17 +29,39 @@ See the following directory trees for further recommended examples:
A test file has three sections: Copyright, Frontmatter, and Body. A test looks roughly like this: A test file has three sections: Copyright, Frontmatter, and Body. A test looks roughly like this:
```javascript ```javascript
// Copyright (C) 2015 [Contributor Name]. All rights reserved. // Copyright (C) $Year $ContributorName. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file. // This code is governed by the BSD license found in the LICENSE file.
/*--- /*---
description: brief description description: >
info: > brief description, e.g. "Non-numeric input must be rejected with a TypeError"
verbose test description, multiple lines OK. esid: reference to spec section, e.g. "sec-well-known-symbols"
(info typically contains relevant, direct quote from ECMAScript) info: |
verbose test description, multiple lines OK.
(info should contain relevant, direct quotes from ECMAScript if possible)
For example:
String.fromCodePoint ( ..._codePoints_ )
5. Repeat, while _nextIndex_ < _length_
a. Let _next_ be _codePoints_[_nextIndex_].
b. Let _nextCP_ be ? ToNumber(_next_).
d. If _nextCP_ < 0 or _nextCP_ > 0x10FFFF, throw a *RangeError* exception.
features: [example]
---*/ ---*/
[Test Code] var maxCodePoint = 0x10FFFF;
var maxCodePointString = '\u{10FFFF}';
assert.sameValue(String.fromCodePoint(maxCodePoint), maxCodePointString,
'String.fromCodePoint can produce a string including the highest code point');
assert.throws(
RangeError,
function() {
String.fromCodePoint(maxCodePoint + 1);
},
'String.fromCodePoint throws a RangeError when an argument is greater than the highest code point value'
);
``` ```
### Copyright ### Copyright
@ -95,10 +117,12 @@ For example:
esid: sec-weakset.prototype.has esid: sec-weakset.prototype.has
description: Throws TypeError if `this` is not Object. description: Throws TypeError if `this` is not Object.
info: | info: |
WeakSet.prototype.has ( value ) String.fromCodePoint ( ..._codePoints_ )
1. Let S be the this value. 5. Repeat, while _nextIndex_ < _length_
2. If Type(S) is not Object, throw a TypeError exception. a. Let _next_ be _codePoints_[_nextIndex_].
b. Let _nextCP_ be ? ToNumber(_next_).
d. If _nextCP_ < 0 or _nextCP_ > 0x10FFFF, throw a *RangeError* exception.
---*/ ---*/
``` ```