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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/tests/test262/built-ins/TypedArray/prototype/indexOf/search-not-found-returns-minus-one.js
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
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Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+// 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-%typedarray%.prototype.indexof
+description: returns -1 if the element if not found
+info: |
+ 22.2.3.13 %TypedArray%.prototype.indexOf (searchElement [ , fromIndex ] )
+
+ %TypedArray%.prototype.indexOf is a distinct function that implements the same
+ algorithm as Array.prototype.indexOf as defined in 22.1.3.12 except that the
+ this object's [[ArrayLength]] internal slot is accessed in place of performing
+ a [[Get]] of "length".
+
+ 22.1.3.12 Array.prototype.indexOf ( searchElement [ , fromIndex ] )
+
+ ...
+ 6. If n ≥ 0, then
+ a. If n is -0, let k be +0; else let k be n.
+ 7. Else n < 0,
+ a. Let k be len + n.
+ b. If k < 0, let k be 0.
+ ...
+ 9. Return -1.
+includes: [testTypedArray.js]
+features: [TypedArray]
+---*/
+
+testWithTypedArrayConstructors(function(TA) {
+ var sample;
+
+ sample = new TA([42, 43, 42, 41]);
+ assert.sameValue(sample.indexOf(44), -1, "indexOf(44)");
+ assert.sameValue(sample.indexOf(43, 2), -1, "indexOf(43, 2)");
+ assert.sameValue(sample.indexOf(42, 3), -1, "indexOf(42, 3)");
+ assert.sameValue(sample.indexOf(44, -4), -1, "indexOf(44, -4)");
+ assert.sameValue(sample.indexOf(44, -5), -1, "indexOf(44, -5)");
+ assert.sameValue(sample.indexOf(42, -1), -1, "indexOf(42, -1)");
+});
+
+reportCompare(0, 0);