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author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
tree | 10027f336435511475e392454359edea8e25895d /js/src/jit-test/tests/parser/bug-889628.js | |
parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
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Add m-esr52 at 52.6.0
Diffstat (limited to 'js/src/jit-test/tests/parser/bug-889628.js')
-rw-r--r-- | js/src/jit-test/tests/parser/bug-889628.js | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/parser/bug-889628.js b/js/src/jit-test/tests/parser/bug-889628.js new file mode 100644 index 000000000..bb337c35d --- /dev/null +++ b/js/src/jit-test/tests/parser/bug-889628.js @@ -0,0 +1,33 @@ +// Destructuring assignment to eval or arguments in destructuring is a SyntaxError +// in strict mode + +load(libdir + "asserts.js"); + +var patterns = [ + "[_]", + "[a, b, _]", + "[[_]]", + "[[], [{}, [_]]]", + "{x:_}", + "{x:y, z:_}", + "{0:_}", + "{_}", + "[..._]" +]; + +for (var pattern of patterns) { + var stmt = pattern + " = obj"; + if (stmt[0] == "{") + stmt = "(" + stmt + ")"; + stmt += ";" + + // stmt is a legal statement... + Function(stmt); + + // ...but not if you replace _ with one of these two names. + for (var name of ["eval", "arguments"]) { + var s = stmt.replace("_", name); + Function(s); + assertThrowsInstanceOf(() => Function("'use strict'; " + s), SyntaxError); + } +} |