Method TestBuffer_CopyAndFree

mem/buffers_test.go:163–180

Tests that a buffer created with Copy, which when later freed, returns the underlying byte slice to the buffer pool.

(t *testing.T)

// Tests that a buffer created with Copy, which when later freed, returns the underlying
// byte slice to the buffer pool.
func (s) TestBuffer_CopyAndFree(t *testing.T) {
	data := []byte("abcd")
	testPool := &singleBufferPool{
		t:    t,
		data: &data,
	}

	buf := mem.Copy(data, testPool)
	if got := buf.ReadOnlyData(); !bytes.Equal(got, data) {
		t.Fatalf("Buffer contains data %s, want %s", string(got), string(data))
	}

	// Verify that the free function is invoked when all references are freed.
	buf.Free()
	if testPool.data != nil {
		t.Fatalf("Buffer not freed")
	}
}

// Tests that a buffer created with Copy, on which an additional reference is
// acquired, which when later freed, returns the underlying byte slice to the