diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/String/prototype/trimEnd/this-value-object-toprimitive-returns-object-err.js')
-rw-r--r-- | js/src/tests/test262/built-ins/String/prototype/trimEnd/this-value-object-toprimitive-returns-object-err.js | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/String/prototype/trimEnd/this-value-object-toprimitive-returns-object-err.js b/js/src/tests/test262/built-ins/String/prototype/trimEnd/this-value-object-toprimitive-returns-object-err.js new file mode 100644 index 0000000000..7405357aec --- /dev/null +++ b/js/src/tests/test262/built-ins/String/prototype/trimEnd/this-value-object-toprimitive-returns-object-err.js @@ -0,0 +1,41 @@ +// 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.trimEnd +description: > + Abrupt completion when Symbol.toPrimitive returns an object +info: | + Runtime Semantics: TrimString ( string, where ) + 1. Let str be ? RequireObjectCoercible(string). + 2. Let S be ? ToString(str). + ... + + ToString ( argument ) + If arguement is Object: + 1. Let primValue be ? ToPrimitive(argument, hint String). + ... + + ToPrimitive ( input [, PreferredType ]) + ... + d. Let exoticToPrim be ? GetMethod(input, @@toPrimitive). + e. If exoticToPrim is not undefined, then + i. Let result be ? Call(exoticToPrim, input, « hint »). + ii. If Type(result) is not Object, return result. + iii. Throw a TypeError exception. + ... +features: [string-trimming, String.prototype.trimEnd, Symbol.toPrimitive] +---*/ + +var thisVal = { + [Symbol.toPrimitive]: function() { + return {}; + }, +}; + +assert.sameValue(typeof String.prototype.trimEnd, 'function'); +assert.throws(TypeError, function() { + String.prototype.trimEnd.call(thisVal); +}); + +reportCompare(0, 0); |