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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/tests/test262/built-ins/String/prototype/trimEnd/this-value-object-valueof-meth-priority.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/tests/test262/built-ins/String/prototype/trimEnd/this-value-object-valueof-meth-priority.js')
-rw-r--r-- | js/src/tests/test262/built-ins/String/prototype/trimEnd/this-value-object-valueof-meth-priority.js | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/String/prototype/trimEnd/this-value-object-valueof-meth-priority.js b/js/src/tests/test262/built-ins/String/prototype/trimEnd/this-value-object-valueof-meth-priority.js new file mode 100644 index 0000000000..45f4bc73c4 --- /dev/null +++ b/js/src/tests/test262/built-ins/String/prototype/trimEnd/this-value-object-valueof-meth-priority.js @@ -0,0 +1,95 @@ +// 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: > + Priority of valueOf when converting object to string for trimming +info: | + Runtime Semantics: TrimString ( string, where ) + 1. Let str be ? RequireObjectCoercible(string). + 2. Let S be ? ToString(str). + ... + + ToString ( argument ) + If argument is Object: + 1. Let primValue be ? ToPrimitive(argument, hint String). + ... + + ToPrimitive ( input [, PreferredType ]) + ... + b. Else if PreferredType is hint String, let hint be "string". + ... + 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. + f. If hint is "default", set hint to "number". + g. Return ? OrdinaryToPrimitive(input, hint). + ... + + OrdinaryToPrimitive( O, hint ) + ... + 3. If hint is "string", then + a. Let methodNames be « "toString", "valueOf" ». + ... + 5. For each name in methodNames in List order, do + a. Let method be ? Get(O, name). + b. If IsCallable(method) is true, then + i. Let result be ? Call(method, O). + ii. If Type(result) is not Object, return result. + ... +features: [string-trimming, String.prototype.trimEnd, Symbol.toPrimitive] +---*/ + +var toPrimitiveAccessed = 0; +var toStringAccessed = 0; +var valueOfAccessed = 0; +var thisVal = { + get [Symbol.toPrimitive]() { + toPrimitiveAccessed += 1; + return undefined; + }, + get toString() { + toStringAccessed += 1; + return undefined; + }, + get valueOf() { + valueOfAccessed += 1; + return function() { + return '42 '; + }; + }, +}; + +// Test that valueOf is called when Symbol.toPrimitive and toString are both +// undefined. + +var result = String.prototype.trimEnd.call(thisVal); + +assert.sameValue( + valueOfAccessed, + 1, + 'thisVal.toString expected to have been accessed.' +); +assert.sameValue( + result, + '42', + 'thisVal.valueOf expected to have been called.' +); + +// Test that thisVal[toPrimitive] and thisVal.toString has been accessed. + +assert.sameValue( + toPrimitiveAccessed, + 1, + 'thisVal[Symbol.toPrimitive should have been accessed.' +); +assert.sameValue( + toStringAccessed, + 1, + 'thisVal[Symbol.toString should have been accessed.' +); + +reportCompare(0, 0); |