60 lines
1.3 KiB
Go
60 lines
1.3 KiB
Go
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package runtime
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import (
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"bytes"
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"testing"
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)
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func TestBufferPool(t *testing.T) {
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t.Run("can get a buffer from the pool", func(t *testing.T) {
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w, existing := GetBuffer(new(bytes.Buffer))
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if w == nil {
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t.Error("expected a buffer, got nil")
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}
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if existing {
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t.Error("expected a new buffer, got an existing buffer")
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}
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err := ReleaseBuffer(w)
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if err != nil {
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t.Errorf("unexpected error: %v", err)
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}
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})
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t.Run("can get an existing buffer from the pool", func(t *testing.T) {
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w, existing := GetBuffer(new(bytes.Buffer))
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if w == nil {
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t.Error("expected a buffer, got nil")
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}
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if existing {
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t.Error("expected a new buffer, got an existing buffer")
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}
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w, existing = GetBuffer(w)
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if w == nil {
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t.Error("expected a buffer, got nil")
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}
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if !existing {
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t.Error("expected an existing buffer, got a new buffer")
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}
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err := ReleaseBuffer(w)
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if err != nil {
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t.Errorf("unexpected error: %v", err)
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}
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})
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t.Run("can release any writer without error", func(t *testing.T) {
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err := ReleaseBuffer(new(bytes.Buffer))
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if err != nil {
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t.Errorf("unexpected error: %v", err)
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}
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})
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t.Run("attempting to buffer a nil writer returns nil", func(t *testing.T) {
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w, existing := GetBuffer(nil)
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if w != nil {
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t.Error("expected nil, got a buffer")
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}
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if existing {
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t.Error("expected nil, got an existing buffer")
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}
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})
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}
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