mirror of https://github.com/siddontang/go.git
33 lines
661 B
Go
33 lines
661 B
Go
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// Copyright 2013, Google Inc. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package sync2
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import (
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"testing"
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)
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func TestAtomicString(t *testing.T) {
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var s AtomicString
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if s.Get() != "" {
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t.Errorf("want empty, got %s", s.Get())
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}
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s.Set("a")
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if s.Get() != "a" {
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t.Errorf("want a, got %s", s.Get())
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}
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if s.CompareAndSwap("b", "c") {
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t.Errorf("want false, got true")
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}
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if s.Get() != "a" {
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t.Errorf("want a, got %s", s.Get())
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}
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if !s.CompareAndSwap("a", "c") {
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t.Errorf("want true, got false")
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}
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if s.Get() != "c" {
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t.Errorf("want c, got %s", s.Get())
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}
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}
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