mirror of https://github.com/tc39/test262.git
56 lines
1.4 KiB
JavaScript
56 lines
1.4 KiB
JavaScript
// Copyright (C) 2014 the V8 project authors. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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es6id: 12.2.5
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description: >
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In a class, duplicate computed property setter names produce only a single property of
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that name, whose value is the value of the last property of that name.
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---*/
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var calls = 0;
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class C {
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set ['a'](_) {
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calls++;
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}
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}
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new C().a = 'A';
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assert.sameValue(calls, 1, "The value of `calls` is `1`, after executing `new C().a = 'A';`");
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calls = 0;
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class C2 {
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set b(_) {
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$ERROR("The first `b` setter definition in `C2` is unreachable");
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}
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set ['b'](_) {
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calls++;
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}
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}
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new C2().b = 'B';
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assert.sameValue(calls, 1, "The value of `calls` is `1`, after executing `new C2().b = 'B';`");
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calls = 0;
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class C3 {
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set c(_) {
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$ERROR("The first `c` setter definition in `C3` is unreachable");
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}
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set ['c'](_) {
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$ERROR("The second `c` setter definition in `C3` is unreachable");
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}
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set ['c'](_) {
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calls++
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}
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}
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new C3().c = 'C';
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assert.sameValue(calls, 1, "The value of `calls` is `1`, after executing `new C3().c = 'C';`");
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calls = 0;
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class C4 {
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set ['d'](_) {
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$ERROR("The first `d` setter definition in `C4` is unreachable");
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}
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set d(_) {
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calls++
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}
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}
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new C4().d = 'D';
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assert.sameValue(calls, 1, "The value of `calls` is `1`, after executing `new C4().d = 'D';`");
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