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