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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/unscopables-prop-get-err.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/unscopables-prop-get-err.js')
-rw-r--r-- | js/src/tests/test262/language/statements/with/unscopables-prop-get-err.js | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/with/unscopables-prop-get-err.js b/js/src/tests/test262/language/statements/with/unscopables-prop-get-err.js new file mode 100644 index 0000000000..a097be2e5d --- /dev/null +++ b/js/src/tests/test262/language/statements/with/unscopables-prop-get-err.js @@ -0,0 +1,48 @@ +// Copyright 2015 Mike Pennisi. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +esid: sec-getidentifierreference +es6id: 8.1.2.1 +description: > + Behavior when accessing property of `Symbol.unscopables` property throws an + error +info: | + [...] + 2. Let envRec be lex's EnvironmentRecord. + 3. Let exists be ? envRec.HasBinding(name). + + 8.1.1.2.1 HasBinding + + [...] + 5. If the withEnvironment flag of envRec is false, return true. + 6. Let unscopables be ? Get(bindings, @@unscopables). + 7. If Type(unscopables) is Object, then + a. Let blocked be ToBoolean(? Get(unscopables, N)). + b. If blocked is true, return false. + + 13.11.7 (The `with` Statement) Runtime Semantics: Evaluation + + [...] + 5. Set the withEnvironment flag of newEnv’s EnvironmentRecord to true. + [...] +flags: [noStrict] +features: [Symbol.unscopables] +---*/ + +var env = { x: 86 }; +env[Symbol.unscopables] = {}; + +Object.defineProperty(env[Symbol.unscopables], 'x', { + get: function() { + throw new Test262Error(); + } +}); + +with (env) { + assert.throws(Test262Error, function() { + x; + }); +} + +reportCompare(0, 0); |