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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/tests/test262/language/statements/with/binding-not-blocked-by-unscopables-falsey-prop.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/tests/test262/language/statements/with/binding-not-blocked-by-unscopables-falsey-prop.js')
-rw-r--r-- | js/src/tests/test262/language/statements/with/binding-not-blocked-by-unscopables-falsey-prop.js | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/with/binding-not-blocked-by-unscopables-falsey-prop.js b/js/src/tests/test262/language/statements/with/binding-not-blocked-by-unscopables-falsey-prop.js new file mode 100644 index 0000000000..b50112e5e6 --- /dev/null +++ b/js/src/tests/test262/language/statements/with/binding-not-blocked-by-unscopables-falsey-prop.js @@ -0,0 +1,60 @@ +// Copyright 2015 Mike Pennisi. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +es6id: 8.1.1.2.1 +description: > + False-coercing `Symbol.unscopables` properties do not block access to object environment record +info: | + [...] + 6. If the withEnvironment flag of envRec is false, return true. + 7. Let unscopables be Get(bindings, @@unscopables). + 8. ReturnIfAbrupt(unscopables). + 9. If Type(unscopables) is Object, then + a. Let blocked be ToBoolean(Get(unscopables, N)). + b. ReturnIfAbrupt(blocked). + c. If blocked is true, return false. + 10. Return true. + + ES6: 13.11.7 (The `with` Statement) Runtime Semantics: Evaluation + [...] + 6. Set the withEnvironment flag of newEnv’s EnvironmentRecord to true. + [...] +flags: [noStrict] +features: [Symbol.unscopables] +---*/ + +var x = 0; +var env = { x: 1 }; +env[Symbol.unscopables] = {}; + +with (env) { + assert.sameValue(x, 1, 'undefined (no property defined)'); +} + +env[Symbol.unscopables].x = false; +with (env) { + assert.sameValue(x, 1, 'literal `false` value'); +} + +env[Symbol.unscopables].x = undefined; +with (env) { + assert.sameValue(x, 1, 'literal `undefined` value'); +} + +env[Symbol.unscopables].x = null; +with (env) { + assert.sameValue(x, 1, 'null value'); +} + +env[Symbol.unscopables].x = 0; +with (env) { + assert.sameValue(x, 1, 'literal `0` number value'); +} + +env[Symbol.unscopables].x = ''; +with (env) { + assert.sameValue(x, 1, 'empty string value'); +} + +reportCompare(0, 0); |