mirror of https://github.com/tc39/test262.git
126 lines
3.0 KiB
JavaScript
126 lines
3.0 KiB
JavaScript
// Copyright (C) 2013 the V8 project authors. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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description: >
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`yield` is a valid expression within generator function bodies.
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es6id: 14.4
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---*/
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var iter, result;
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var g1 = function*() { (yield) };
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var g2 = function*() { [yield] };
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var g3 = function*() { {yield} };
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var g4 = function*() { yield, yield; };
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var g5 = function*() { (yield) ? yield : yield; };
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iter = g1();
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result = iter.next();
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assert.sameValue(
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result.value, undefined, 'Within grouping operator: result `value`'
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);
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assert.sameValue(
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result.done, false, 'Within grouping operator: result `done` flag'
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);
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result = iter.next();
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assert.sameValue(
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result.value, undefined, 'Following grouping operator: result `value`'
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);
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assert.sameValue(
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result.done, true, 'Following grouping operator: result `done` flag'
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);
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iter = g2();
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result = iter.next();
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assert.sameValue(
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result.value, undefined, 'Within array literal: result `value`'
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);
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assert.sameValue(
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result.done, false, 'Within array literal: result `done` flag'
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);
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result = iter.next();
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assert.sameValue(
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result.value, undefined, 'Following array literal: result `value`'
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);
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assert.sameValue(
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result.done, true, 'Following array literal: result `done` flag'
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);
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iter = g3();
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result = iter.next();
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assert.sameValue(
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result.value, undefined, 'Within object literal: result `value`'
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);
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assert.sameValue(
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result.done, false, 'Within object literal: result `done` flag'
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);
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result = iter.next();
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assert.sameValue(
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result.value, undefined, 'Following object literal: result `value`'
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);
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assert.sameValue(
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result.done, true, 'Following object literal: result `done` flag'
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);
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iter = g4();
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result = iter.next();
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assert.sameValue(
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result.value,
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undefined,
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'First expression in comma expression: result `value`'
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);
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assert.sameValue(
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result.done,
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false,
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'First expression in comma expression: result `done` flag'
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);
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result = iter.next();
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assert.sameValue(
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result.value,
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undefined,
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'Second expression in comma expression: result `value`'
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);
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assert.sameValue(
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result.done,
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false,
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'Second expression in comma expression: result `done` flag'
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);
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result = iter.next();
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assert.sameValue(
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result.value, undefined, 'Following comma expression: result `value`'
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);
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assert.sameValue(
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result.done, true, 'Following comma expression: result `done` flag'
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);
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iter = g5();
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result = iter.next();
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assert.sameValue(
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result.value,
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undefined,
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'Conditional expression in conditional operator: result `value`'
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);
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assert.sameValue(
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result.done,
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false,
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'Conditional expression in conditional operator: result `done` flag'
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);
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result = iter.next();
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assert.sameValue(
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result.value,
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undefined,
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'Branch in conditional operator: result `value`'
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);
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assert.sameValue(
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result.done,
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false,
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'Branch in conditional operator: result `done` flag'
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);
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result = iter.next();
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assert.sameValue(
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result.value, undefined, 'Following conditional operator: result `value`'
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);
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assert.sameValue(
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result.done, true, 'Following conditional operator: result `done` flag'
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);
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