add unit test for UnmarshalUint32LSBMSB

kdomanski · Aug 26, 2022 · 9485e3d · 9485e3d
1 parent 0ab0fa9
commit 9485e3d
Showing 1 changed file with 15 additions and 0 deletions.
diff --git a/iso9660_datatypes_test.go b/iso9660_datatypes_test.go
@@ -30,6 +30,21 @@ func TestUnmarshallInt32LSBMSB(t *testing.T) {
 	assert.Error(t, err)
 }
 
+func TestUnmarshallUint32LSBMSB(t *testing.T) {
+	// data OK
+	number, err := UnmarshalUint32LSBMSB([]byte{0x00, 0x5E, 0xD0, 0xB2, 0xB2, 0xD0, 0x5E, 0x00})
+	assert.NoError(t, err)
+	assert.Equal(t, uint32(3000000000), number)
+
+	// data too short
+	_, err = UnmarshalUint32LSBMSB([]byte{0x00, 0x5E, 0xD0, 0xB2, 0xB2, 0xD0, 0x5E})
+	assert.Equal(t, io.ErrUnexpectedEOF, err)
+
+	// endian versions mismatch
+	_, err = UnmarshalUint32LSBMSB([]byte{0x00, 0x5E, 0xD0, 0xB2, 0x00, 0x00, 0x00, 0x00})
+	assert.Error(t, err)
+}
+
 func TestUnmarshallInt16LSBMSB(t *testing.T) {
 	// data OK
 	number, err := UnmarshalInt16LSBMSB([]byte{0x20, 0x4E, 0x4E, 0x20})