ml
63 lines
1.7 KiB
Go
63 lines
1.7 KiB
Go
package compression_test
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import (
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"testing"
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"github.com/inkyblackness/hacked/ss1/content/movie/internal/compression"
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"github.com/stretchr/testify/assert"
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)
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func TestMaskstreamReaderReadPanicsForMoreThan8Bytes(t *testing.T) {
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reader := compression.NewMaskstreamReader([]byte{})
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assert.Panicsf(t, func() { reader.Read(9) }, "Limit of byte count: 8")
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}
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func TestMaskstreamReaderReadPanicsForLessThan0Bytes(t *testing.T) {
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reader := compression.NewMaskstreamReader([]byte{})
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assert.Panicsf(t, func() { reader.Read(-1) }, "Minimum byte count: 0")
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}
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func TestMaskstreamReaderReadReturnsValueOfRequestedByteSize(t *testing.T) {
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reader := compression.NewMaskstreamReader([]byte{0xAF})
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result := reader.Read(1)
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assert.Equal(t, uint64(0xAF), result)
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}
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func TestMaskstreamReaderReadIntegerFromSourceInLittleEndianOrder(t *testing.T) {
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reader := compression.NewMaskstreamReader([]byte{0x11, 0x22})
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result := reader.Read(2)
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assert.Equal(t, uint64(0x2211), result)
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}
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func TestMaskstreamReaderReadCanProvideUpTo64BitValues(t *testing.T) {
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reader := compression.NewMaskstreamReader([]byte{0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88})
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result := reader.Read(8)
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assert.Equal(t, uint64(0x8877665544332211), result)
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}
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func TestMaskstreamReaderReadFillsMissingBytesWithZero(t *testing.T) {
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reader := compression.NewMaskstreamReader([]byte{0xAA, 0xBB})
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result := reader.Read(8)
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assert.Equal(t, uint64(0x00BBAA), result)
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}
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func TestMaskstreamReaderReadAdvancesCurrentPosition(t *testing.T) {
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reader := compression.NewMaskstreamReader([]byte{0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88})
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reader.Read(2)
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result := reader.Read(3)
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assert.Equal(t, uint64(0x554433), result)
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}
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