diff options
Diffstat (limited to 'js/src/tests/test262/annexB/built-ins/String/prototype/substr/start-to-int-err.js')
-rw-r--r-- | js/src/tests/test262/annexB/built-ins/String/prototype/substr/start-to-int-err.js | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/js/src/tests/test262/annexB/built-ins/String/prototype/substr/start-to-int-err.js b/js/src/tests/test262/annexB/built-ins/String/prototype/substr/start-to-int-err.js new file mode 100644 index 0000000000..4511de91ba --- /dev/null +++ b/js/src/tests/test262/annexB/built-ins/String/prototype/substr/start-to-int-err.js @@ -0,0 +1,37 @@ +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-string.prototype.substr +es6id: B.2.3.1 +description: > + Behavior when "start" integer conversion triggers an abrupt completion +info: | + [...] + 3. Let intStart be ? ToInteger(start). +features: [Symbol] +---*/ + +var lengthCallCount = 0; +var symbol = Symbol(''); +var start = { + valueOf: function() { + throw new Test262Error(); + } +}; +var len = { + valueOf: function() { + lengthCallCount += 1; + } +}; + +assert.throws(Test262Error, function() { + ''.substr(start, len); +}); + +assert.throws(TypeError, function() { + ''.substr(symbol, len); +}); + +assert.sameValue(lengthCallCount, 0); + +reportCompare(0, 0); |