Function TestPartitionAt2

buffer_test.go:866–890

TestPartitionAt2 tests ability to read at various offsets from buffer previously written.

(t *testing.T)

// TestPartitionAt2 tests ability to read at various offsets from buffer previously written.
func TestPartitionAt2(t *testing.T) {
	buf := NewPartitionAt(NewMemPoolAt(5))
	buf.Write([]byte("Hello World"))
	data := make([]byte, 2)
	n, _ := buf.ReadAt(data, 2)
	if !bytes.Equal(data[:n], []byte("ll")) {
		t.Error("Read Failed. " + string(data[:n]))
	}
	n, _ = buf.ReadAt(data, 4)
	if !bytes.Equal(data[:n], []byte("o ")) {
		t.Error("Read Failed. " + string(data[:n]))
	}
	n, _ = buf.ReadAt(data, 10)
	if !bytes.Equal(data[:n], []byte("d")) {
		t.Error("Read Failed. " + string(data[:n]))
	}
	n, _ = buf.ReadAt(data, 100)
	if !bytes.Equal(data[:n], []byte{}) {
		t.Error("Read Failed. " + string(data[:n]))
	}

	buf.Reset()
	checkCap(t, buf, math.MaxInt64)
	runPerfectSeries(t, buf)
}

// TestPartitionAt3 tests ability to overwrite buffer previously written.
func TestPartitionAt3(t *testing.T) {