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Diffstat (limited to '')
-rw-r--r-- | js/src/tests/test262/built-ins/String/prototype/trimStart/this-value-symbol-typeerror.js | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/String/prototype/trimStart/this-value-symbol-typeerror.js b/js/src/tests/test262/built-ins/String/prototype/trimStart/this-value-symbol-typeerror.js new file mode 100644 index 0000000000..95e3e3fa38 --- /dev/null +++ b/js/src/tests/test262/built-ins/String/prototype/trimStart/this-value-symbol-typeerror.js @@ -0,0 +1,30 @@ +// Copyright (C) 2017 Valerie Young. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +esid: sec-string.prototype.trimStart +description: Type error when "this" value is a Symbol +info: | + Runtime Semantics: TrimString ( string, where ) + 2. Let S be ? ToString(str). + + ToString ( argument ) + Argument Type: Symbol + Result: Throw a TypeError exception +features: [string-trimming, String.prototype.trimStart] +---*/ + +assert.sameValue(typeof String.prototype.trimStart, "function"); + +var trimStart = String.prototype.trimStart; +var symbol = Symbol(); + +assert.throws( + TypeError, + function() { + trimStart.call(symbol); + }, + 'String.prototype.trimStart.call(Symbol())' +); + +reportCompare(0, 0); |