@Test
public void compress_shouldReturnACompressedVersionOfTheTwoCommands() {
PclCommand command =
new PclCommandBuilder()
.p(LOWEST_PARAMETERIZED_BYTE)
.g(LOWEST_GROUP_BYTE)
.v("1")
.t(LOWEST_TERMINATION_BYTE)
.toCommand();
ParameterizedCommand expectedCompressedCommand =
new ParameterizedCommand(
new byte[] {
ESCAPE,
LOWEST_PARAMETERIZED_BYTE,
LOWEST_GROUP_BYTE,
'1',
LOWEST_PARAMETER_BYTE,
'1',
LOWEST_TERMINATION_BYTE
});
PclCommand compressedCommand = compressor.compress(command, command);
assertNotNull(compressedCommand);
assertEquals(expectedCompressedCommand, compressedCommand);
}
@Test
public void canBeCompressed_bothCommandAreParameterizedCommandButWithDifferentGroups() {
PclCommandBuilder builder =
new PclCommandBuilder().p(LOWEST_PARAMETERIZED_BYTE).v("1").t(LOWEST_TERMINATION_BYTE);
PclCommand command = builder.copy().g(LOWEST_GROUP_BYTE).toCommand();
PclCommand otherCommand = builder.copy().g(HIGHEST_GROUP_BYTE).toCommand();
assertFalse(compressor.canBeCompressed(command, otherCommand));
}
@Test(expected = IllegalArgumentException.class)
public void compress_shouldBlowUpIfTheCommandsCanNotBeCompressed() {
PclCommandBuilder builder =
new PclCommandBuilder().p(LOWEST_PARAMETERIZED_BYTE).v("1").t(LOWEST_TERMINATION_BYTE);
PclCommand command = builder.copy().g(LOWEST_GROUP_BYTE).toCommand();
PclCommand otherCommand = builder.copy().g(HIGHEST_GROUP_BYTE).toCommand();
compressor.compress(command, otherCommand);
}
@Test
public void
canBeCompressed_bothCommandAreParameterizedCommandWithMatchingParameterizedAndGroupBytes() {
PclCommand command =
new PclCommandBuilder()
.p(LOWEST_PARAMETERIZED_BYTE)
.g(LOWEST_GROUP_BYTE)
.v("1")
.t(LOWEST_TERMINATION_BYTE)
.toCommand();
assertTrue(compressor.canBeCompressed(command, command));
}
@Test
public void canBeCompressed_bothCommandAreParameterizedButFirstCommandHasBinaryData() {
PclCommandBuilder builder =
new PclCommandBuilder()
.p(LOWEST_PARAMETERIZED_BYTE)
.g(LOWEST_GROUP_BYTE)
.v("1")
.t(LOWEST_TERMINATION_BYTE);
PclCommand command = builder.copy().d("12").toCommand();
PclCommand otherCommand = builder.toCommand();
assertFalse(compressor.canBeCompressed(command, otherCommand));
}
@Test
public void canBeCompressed_secondCommandIsATextCommand() {
assertFalse(
compressor.canBeCompressed(
new ParameterizedCommand(new byte[3]), new TextCommand("X".getBytes())));
}
@Test
public void canBeCompressed_firstCommandIsATwoByteCommandAndCanNotBeCompressed() {
assertFalse(
compressor.canBeCompressed(
new TwoByteCommand(new byte[2]), new ParameterizedCommand(new byte[3])));
}
@Test
public void canBeCompressed_firstCommandIsNullAndCanNotBeCompressed() {
assertFalse(compressor.canBeCompressed(null, new ParameterizedCommand(new byte[3])));
}