@Test
public void peekCommandProceed() throws DataFormatException {
CommandRunner.proceed("push 12".split(" "), myStack);
String inputData = "peek";
String result = CommandRunner.proceed(inputData.split(" "), myStack);
assertEquals("Peek - 12", result);
}
@Test
public void popCommandProceed() throws DataFormatException {
CommandRunner.proceed("push 12".split(" "), myStack);
String inputData = "pop";
String result = CommandRunner.proceed(inputData.split(" "), myStack);
assertEquals("Pop - 12", result);
assertEquals(true, myStack.isEmpty());
}
@Test
public void isEmptyCommandProceed() throws DataFormatException {
String inputData = "isEmpty";
String result = CommandRunner.proceed(inputData.split(" "), myStack);
assertEquals("Is empty - true", result);
CommandRunner.proceed("push 12".split(" "), myStack);
result = CommandRunner.proceed(inputData.split(" "), myStack);
assertEquals("Is empty - false", result);
}
@Test
public void pushCommandProceed() throws DataFormatException {
String inputData = "push 12";
String result = CommandRunner.proceed(inputData.split(" "), myStack);
assertEquals(Integer.valueOf(12), myStack.peek());
assertEquals(true, result == null);
}
@Test
public void sizeCommandProceed() throws DataFormatException {
String inputData = "size";
String result = CommandRunner.proceed(inputData.split(" "), myStack);
assertEquals("Size - 0", result);
CommandRunner.proceed("push 12".split(" "), myStack);
CommandRunner.proceed("push 10".split(" "), myStack);
result = CommandRunner.proceed(inputData.split(" "), myStack);
assertEquals("Size - 2", result);
CommandRunner.proceed("pop".split(" "), myStack);
result = CommandRunner.proceed(inputData.split(" "), myStack);
assertEquals("Size - 1", result);
}