diff options
Diffstat (limited to 'js/src/tests/test262/language/expressions/yield/rhs-template-middle.js')
-rw-r--r-- | js/src/tests/test262/language/expressions/yield/rhs-template-middle.js | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/expressions/yield/rhs-template-middle.js b/js/src/tests/test262/language/expressions/yield/rhs-template-middle.js new file mode 100644 index 0000000000..051e6dbab0 --- /dev/null +++ b/js/src/tests/test262/language/expressions/yield/rhs-template-middle.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-generator-function-definitions +es6id: 14.4 +description: YieldExpression may be followed by a TemplateMiddle construct +info: | + The syntactic context immediately following yield requires use of the + InputElementRegExpOrTemplateTail lexical goal. +features: [generators] +---*/ + +var complete = false; +var iter, iterResult, str; +function* g() { + str = `1${ yield }3${ 4 }5`; + complete = true; +} + +iter = g(); + +assert.sameValue(complete, false, 'generator initially paused'); +assert.sameValue(str, undefined, 'first statement not executed'); + +iterResult = iter.next(); + +assert.sameValue(complete, false, 'generator paused following expression'); +assert.sameValue(str, undefined, 'first statement not executed'); + +assert.sameValue(iterResult.done, false, 'iteration not complete'); +assert.sameValue(iterResult.value, undefined, 'first iterated value'); + +iterResult = iter.next(2); + +assert.sameValue(str, '12345', 'YieldExpression value'); +assert.sameValue(complete, true, 'generator correctly re-started'); +assert.sameValue(iterResult.done, true, 'iteration complete'); +assert.sameValue(iterResult.value, undefined, 'second iterated value'); + +reportCompare(0, 0); |