71 lines
2.2 KiB
Plaintext
71 lines
2.2 KiB
Plaintext
package intAndBytesUtil
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import (
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"encoding/binary"
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"testing"
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)
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func TestBytesToInt(t *testing.T) {
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var givenBigEndian []byte = []byte{0, 0, 1, 0}
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var givenLittleEndian []byte = []byte{0, 1, 0, 0}
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var expectedInt int32 = 256
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result := BytesToInt32(givenBigEndian, binary.BigEndian)
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if result != expectedInt {
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t.Errorf("BytesToInt(%v) failed.Got %v, expected %v", givenBigEndian, result, expectedInt)
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}
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result = BytesToInt32(givenLittleEndian, binary.LittleEndian)
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if result != expectedInt {
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t.Errorf("BytesToInt(%v) failed.Got %v, expected %v", givenLittleEndian, result, expectedInt)
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}
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}
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func TestBytesToInt16(t *testing.T) {
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var givenBigEndian []byte = []byte{1, 0}
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var givenLittleEndian []byte = []byte{0, 1}
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var expectedInt int16 = 256
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result := BytesToInt16(givenBigEndian, binary.BigEndian)
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if result != expectedInt {
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t.Errorf("BytesToInt(%v) failed.Got %v, expected %v", givenBigEndian, result, expectedInt)
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}
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result = BytesToInt16(givenLittleEndian, binary.LittleEndian)
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if result != expectedInt {
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t.Errorf("BytesToInt(%v) failed.Got %v, expected %v", givenLittleEndian, result, expectedInt)
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}
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}
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func TestBytesToInt32(t *testing.T) {
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var givenBigEndian []byte = []byte{0, 0, 1, 0}
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var givenLittleEndian []byte = []byte{0, 1, 0, 0}
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var expectedInt int32 = 256
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result := BytesToInt32(givenBigEndian, binary.BigEndian)
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if result != expectedInt {
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t.Errorf("BytesToInt(%v) failed.Got %v, expected %v", givenBigEndian, result, expectedInt)
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}
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result = BytesToInt32(givenLittleEndian, binary.LittleEndian)
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if result != expectedInt {
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t.Errorf("BytesToInt(%v) failed.Got %v, expected %v", givenLittleEndian, result, expectedInt)
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}
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}
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func TestBytesToInt64(t *testing.T) {
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var givenBigEndian []byte = []byte{0, 0, 0, 0, 0, 0, 1, 0}
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var givenLittleEndian []byte = []byte{0, 1, 0, 0, 0, 0, 0, 0}
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var expectedInt int64 = 256
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result := BytesToInt64(givenBigEndian, binary.BigEndian)
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if result != expectedInt {
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t.Errorf("BytesToInt(%v) failed.Got %v, expected %v", givenBigEndian, result, expectedInt)
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}
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result = BytesToInt64(givenLittleEndian, binary.LittleEndian)
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if result != expectedInt {
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t.Errorf("BytesToInt(%v) failed.Got %v, expected %v", givenLittleEndian, result, expectedInt)
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}
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}
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