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Diffstat (limited to 'js/src/tests/test262/annexB/language/expressions/coalesce/emulates-undefined.js')
| -rw-r--r-- | js/src/tests/test262/annexB/language/expressions/coalesce/emulates-undefined.js | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/js/src/tests/test262/annexB/language/expressions/coalesce/emulates-undefined.js b/js/src/tests/test262/annexB/language/expressions/coalesce/emulates-undefined.js new file mode 100644 index 0000000000..25b883759d --- /dev/null +++ b/js/src/tests/test262/annexB/language/expressions/coalesce/emulates-undefined.js @@ -0,0 +1,22 @@ +// Copyright (C) 2020 Alexey Shvayka. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-binary-bitwise-operators-runtime-semantics-evaluation +description: > + ?? doesn't special-case [[IsHTMLDDA]] object; rval is not evaluated. +info: | + CoalesceExpression : CoalesceExpressionHead ?? BitwiseORExpression + + 1. Let lref be the result of evaluating CoalesceExpressionHead. + 2. Let lval be ? GetValue(lref). + 3. If lval is undefined or null, then + [...] + 4. Otherwise, return lval. +features: [IsHTMLDDA, coalesce-expression] +---*/ + +var IsHTMLDDA = $262.IsHTMLDDA; + +assert.sameValue(IsHTMLDDA ?? unresolved, IsHTMLDDA); + +reportCompare(0, 0); |