@Test
public void customBinaryFieldTest() throws IOException {
BinaryStruct struct =
new BinaryStruct() {
@BinaryStruct.CustomBinaryField(index = 1, serializer = ByteStringSerializer.class)
public String s1 = "1234";
};
byte[] data = BinaryStructOutputStream.serialize(struct);
assertArrayEquals(new byte[] {0b0000_0001, 0b0000_0010, 0b0000_0011, 0b0000_0100}, data);
}
@Test
public void basicBooleanTest() throws IOException {
BinaryStruct struct =
new BinaryStruct() {
@BinaryField(index = 1, length = 1)
public boolean b1 = false;
@BinaryField(index = 2, length = 1)
public boolean b2 = true;
};
byte[] data = BinaryStructOutputStream.serialize(struct);
assertArrayEquals(new byte[] {(byte) 0b0100_0000}, data);
}
@Test
public void shortIntTest() throws IOException {
BinaryStruct struct =
new BinaryStruct() {
@BinaryField(index = 1, length = 16)
int i1 = 1;
@BinaryField(index = 2, length = 16)
int i2 = 2;
};
byte[] data = BinaryStructOutputStream.serialize(struct);
assertArrayEquals(new byte[] {0, 1, 0, 2}, data);
}
@Test
public void basicStringTest() throws IOException {
BinaryStruct struct =
new BinaryStruct() {
@BinaryField(index = 1, length = 8)
int i1 = Integer.MAX_VALUE;
@BinaryField(index = 2, length = 12 * 8)
public String s2 = "hello world!";
};
byte[] expected = "0hello world!".getBytes();
expected[0] = (byte) 0xFF;
byte[] data = BinaryStructOutputStream.serialize(struct);
assertArrayEquals(expected, data);
}
@Test
public void variableLengthFieldTest() throws IOException {
BinaryStruct struct =
new BinaryStruct() {
@BinaryField(index = 1, length = 8)
private int s1 = 2;
@VariableLengthBinaryField(index = 2, lengthField = "s1")
private String s2 = "12345";
};
byte[] expected = "012".getBytes();
expected[0] = 2;
byte[] data = BinaryStructOutputStream.serialize(struct);
assertArrayEquals(expected, data);
}
@Test
public void mixedTypeTest() throws IOException {
BinaryStruct struct =
new BinaryStruct() {
@BinaryField(index = 1, length = 26)
private int house = 11_772_006;
@BinaryField(index = 2, length = 1)
private boolean group = false;
@BinaryField(index = 3, length = 1)
private boolean enable = true;
@BinaryField(index = 4, length = 4)
private int unit = 0;
};
byte[] expected =
new byte[] {
(byte) 0b0010_1100, (byte) 0b1110_1000, (byte) 0b0001_1001, (byte) 0b10_0_1_0000
};
byte[] actual = BinaryStructOutputStream.serialize(struct);
assertArrayEquals(expected, actual);
}