diff options
Diffstat (limited to 'js/src/tests/test262/language/optional-chaining/call-expression.js')
-rw-r--r-- | js/src/tests/test262/language/optional-chaining/call-expression.js | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/optional-chaining/call-expression.js b/js/src/tests/test262/language/optional-chaining/call-expression.js new file mode 100644 index 0000000000..aa3f4abeb5 --- /dev/null +++ b/js/src/tests/test262/language/optional-chaining/call-expression.js @@ -0,0 +1,77 @@ +// Copyright 2019 Google, Inc. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: prod-OptionalExpression +description: > + optional chain on call expression +info: | + Left-Hand-Side Expressions + OptionalExpression: + CallExpression OptionalChain +features: [optional-chaining] +---*/ + +// CallExpression CoverCallExpressionAndAsyncArrowHead +function fn () { + return {a: 33}; +}; +const obj = { + fn () { + return 44; + } +} +assert.sameValue(33, fn()?.a); +assert.sameValue(undefined, fn()?.b); +assert.sameValue(44, obj?.fn()); + +// CallExpression SuperCall +class A {} +class B extends A { + constructor () { + assert.sameValue(undefined, super()?.a); + } +} +new B(); + +// CallExpression Arguments +function fn2 () { + return () => { + return {a: 66}; + }; +} +function fn3 () { + return () => { + return null; + }; +} +assert.sameValue(66, fn2()()?.a); +assert.sameValue(undefined, fn3()()?.a); + +// CallExpression [Expression] +function fn4 () { + return [{a: 77}]; +} +function fn5 () { + return []; +} +assert.sameValue(77, fn4()[0]?.a); +assert.sameValue(undefined, fn5()[0]?.a); + +// CallExpression .IdentifierName +function fn6 () { + return { + a: { + b: 88 + } + }; +} +assert.sameValue(88, fn6().a?.b); +assert.sameValue(undefined, fn6().b?.c); + +// CallExpression TemplateLiteral +function fn7 () { + return () => {}; +} +assert.sameValue(undefined, fn7()`hello`?.a); + +reportCompare(0, 0); |