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Diffstat (limited to 'js/src/tests/test262/built-ins/Array/prototype/at/index-argument-tointeger.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Array/prototype/at/index-argument-tointeger.js | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/at/index-argument-tointeger.js b/js/src/tests/test262/built-ins/Array/prototype/at/index-argument-tointeger.js new file mode 100644 index 0000000000..3d5e2e9392 --- /dev/null +++ b/js/src/tests/test262/built-ins/Array/prototype/at/index-argument-tointeger.js @@ -0,0 +1,33 @@ +// Copyright (C) 2020 Rick Waldron. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-array.prototype.at +description: > + Property type and descriptor. +info: | + Array.prototype.at( index ) + + Let relativeIndex be ? ToInteger(index). + +features: [Array.prototype.at] +---*/ +assert.sameValue( + typeof Array.prototype.at, + 'function', + 'The value of `typeof Array.prototype.at` is expected to be "function"' +); + +let valueOfCallCount = 0; +let index = { + valueOf() { + valueOfCallCount++; + return 1; + } +}; + +let a = [0,1,2,3]; + +assert.sameValue(a.at(index), 1, 'a.at({valueOf() {valueOfCallCount++; return 1;}}) must return 1'); +assert.sameValue(valueOfCallCount, 1, 'The value of valueOfCallCount is expected to be 1'); + +reportCompare(0, 0); |