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Diffstat (limited to '')
-rw-r--r-- | js/src/tests/test262/prs/3994/built-ins/Uint8Array/prototype/setFromBase64/option-coercion.js | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/js/src/tests/test262/prs/3994/built-ins/Uint8Array/prototype/setFromBase64/option-coercion.js b/js/src/tests/test262/prs/3994/built-ins/Uint8Array/prototype/setFromBase64/option-coercion.js new file mode 100644 index 0000000000..90bd1e330d --- /dev/null +++ b/js/src/tests/test262/prs/3994/built-ins/Uint8Array/prototype/setFromBase64/option-coercion.js @@ -0,0 +1,72 @@ +// |reftest| shell-option(--enable-uint8array-base64) skip-if(!Uint8Array.fromBase64||!xulRuntime.shell) -- uint8array-base64 is not enabled unconditionally, requires shell-options +// Copyright (C) 2024 Kevin Gibbons. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-uint8array.prototype.setfrombase64 +description: Uint8Array.prototype.setFromBase64 triggers effects of the "alphabet" and "lastChunkHandling" getters, but does not perform toString on the results +includes: [compareArray.js] +features: [uint8array-base64, TypedArray] +---*/ + +assert.throws(TypeError, function() { + var target = new Uint8Array([255, 255, 255]); + target.setFromBase64("Zg==", { alphabet: Object("base64") }); +}); + +assert.throws(TypeError, function() { + var target = new Uint8Array([255, 255, 255]); + target.setFromBase64("Zg==", { lastChunkHandling: Object("strict") }); +}); + + +var toStringCalls = 0; +var throwyToString = { + toString: function() { + toStringCalls += 1; + throw new Test262Error("toString called"); + } +}; +assert.throws(TypeError, function() { + var target = new Uint8Array([255, 255, 255]); + target.setFromBase64("Zg==", { alphabet: throwyToString }); +}); +assert.sameValue(toStringCalls, 0); + +assert.throws(TypeError, function() { + var target = new Uint8Array([255, 255, 255]); + target.setFromBase64("Zg==", { lastChunkHandling: throwyToString }); +}); +assert.sameValue(toStringCalls, 0); + + +var alphabetAccesses = 0; +var base64UrlOptions = {}; +Object.defineProperty(base64UrlOptions, "alphabet", { + get: function() { + alphabetAccesses += 1; + return "base64url"; + } +}); +var target = new Uint8Array([255, 255, 255, 255]); +var result = target.setFromBase64("x-_y", base64UrlOptions); +assert.sameValue(result.read, 4); +assert.sameValue(result.written, 3); +assert.compareArray(target, [199, 239, 242, 255]); +assert.sameValue(alphabetAccesses, 1); + +var lastChunkHandlingAccesses = 0; +var strictOptions = {}; +Object.defineProperty(strictOptions, "lastChunkHandling", { + get: function() { + lastChunkHandlingAccesses += 1; + return "strict"; + } +}); +var target = new Uint8Array([255, 255, 255, 255]); +var result = target.setFromBase64("Zg==", strictOptions); +assert.sameValue(result.read, 4); +assert.sameValue(result.written, 1); +assert.compareArray(target, [102, 255, 255, 255]); +assert.sameValue(lastChunkHandlingAccesses, 1); + +reportCompare(0, 0); |