diff options
Diffstat (limited to 'test/test_cases.include')
| -rw-r--r-- | test/test_cases.include | 436 |
1 files changed, 436 insertions, 0 deletions
diff --git a/test/test_cases.include b/test/test_cases.include new file mode 100644 index 0000000..51484c1 --- /dev/null +++ b/test/test_cases.include @@ -0,0 +1,436 @@ + + +TEST_F(FFFTestSuite, when_void_func_never_called_then_callcount_is_zero) +{ + ASSERT_EQ(voidfunc1_fake.call_count, 0u); +} + +TEST_F(FFFTestSuite, when_void_func_called_once_then_callcount_is_one) +{ + voidfunc1(66); + ASSERT_EQ(voidfunc1_fake.call_count, 1u); +} + +TEST_F(FFFTestSuite, when_void_func_called_once_and_reset_then_callcount_is_zero) +{ + voidfunc1(66); + RESET_FAKE(voidfunc1); + ASSERT_EQ(voidfunc1_fake.call_count, 0u); +} + +// Single Argument +TEST_F(FFFTestSuite, when_void_func_with_1_integer_arg_called_then_last_arg_captured) +{ + voidfunc1(77); + ASSERT_EQ(voidfunc1_fake.arg0_val, 77); +} + +TEST_F(FFFTestSuite, when_void_func_with_1_integer_arg_called_twice_then_last_arg_captured) +{ + voidfunc1(77); + voidfunc1(12); + ASSERT_EQ(voidfunc1_fake.arg0_val, 12); +} + +TEST_F(FFFTestSuite, when_void_func_with_1_integer_arg_called_and_reset_then_captured_arg_is_zero) +{ + voidfunc1(11); + RESET_FAKE(voidfunc1); + ASSERT_EQ(voidfunc1_fake.arg0_val, 0); +} + +// Two Arguments +TEST_F(FFFTestSuite, when_void_func_with_2_char_args_called_then_last_args_captured) +{ + voidfunc2('a', 'b'); + ASSERT_EQ(voidfunc2_fake.arg0_val, 'a'); + ASSERT_EQ(voidfunc2_fake.arg1_val, 'b'); +} + +TEST_F(FFFTestSuite, when_void_func_with_2_char_args_called_twice_then_last_args_captured) +{ + voidfunc2('a', 'b'); + voidfunc2('c', 'd'); + ASSERT_EQ(voidfunc2_fake.arg0_val, 'c'); + ASSERT_EQ(voidfunc2_fake.arg1_val, 'd'); +} + +TEST_F(FFFTestSuite, when_void_func_with_2_char_args_called_and_reset_then_captured_arg_is_zero) +{ + voidfunc2('e', 'f'); + RESET_FAKE(voidfunc2); + ASSERT_EQ(voidfunc2_fake.arg0_val, 0); + ASSERT_EQ(voidfunc2_fake.arg1_val, 0); +} + +#ifndef __cplusplus +TEST_F(FFFTestSuite, when_fake_func_called_then_const_arguments_captured) +{ + char dst[80]; + strlcpy3(dst, __FUNCTION__, sizeof(__FUNCTION__)); +} +#endif /* __cplusplus */ + +// Argument history +TEST_F(FFFTestSuite, when_fake_func_created_default_history_is_fifty_calls) +{ + ASSERT_EQ(FFF_ARG_HISTORY_LEN, (sizeof voidfunc2_fake.arg0_history) / (sizeof voidfunc2_fake.arg0_history[0])); + ASSERT_EQ(FFF_ARG_HISTORY_LEN, (sizeof voidfunc2_fake.arg1_history) / (sizeof voidfunc2_fake.arg1_history[0])); +} + +TEST_F(FFFTestSuite, when_fake_func_called_then_arguments_captured_in_history) +{ + voidfunc2('g', 'h'); + ASSERT_EQ('g', voidfunc2_fake.arg0_history[0]); + ASSERT_EQ('h', voidfunc2_fake.arg1_history[0]); +} + +TEST_F(FFFTestSuite, argument_history_is_reset_when_RESET_FAKE_called) +{ + //given + voidfunc2('g', 'h'); + ASSERT_EQ('g', voidfunc2_fake.arg0_history[0]); + ASSERT_EQ('h', voidfunc2_fake.arg1_history[0]); + //when + RESET_FAKE(voidfunc2); + //then + ASSERT_EQ('\0', voidfunc2_fake.arg0_history[0]); + ASSERT_EQ('\0', voidfunc2_fake.arg1_history[0]); +} + +TEST_F(FFFTestSuite, when_fake_func_called_max_times_then_no_argument_histories_dropped) +{ + unsigned int i; + for (i = 0; i < FFF_ARG_HISTORY_LEN; i++) + { + voidfunc2('1' + i, '2' + i); + } + ASSERT_EQ(0u, voidfunc2_fake.arg_histories_dropped); +} + +TEST_F(FFFTestSuite, when_fake_func_called_max_times_plus_one_then_one_argument_history_dropped) +{ + unsigned int i; + for (i = 0; i < FFF_ARG_HISTORY_LEN; i++) + { + voidfunc2('1' + i, '2' + i); + } + voidfunc2('1', '2'); + ASSERT_EQ(1u, voidfunc2_fake.arg_histories_dropped); + // or in other words.. + ASSERT_TRUE(voidfunc2_fake.call_count > voidfunc2_fake.arg_history_len); +} + +// Return values +TEST_F(FFFTestSuite, value_func_will_return_zero_by_default) +{ + ASSERT_EQ(0l, longfunc0()); +} + +TEST_F(FFFTestSuite, value_func_will_return_value_given) +{ + longfunc0_fake.return_val = 99l; + ASSERT_EQ(99l, longfunc0()); +} + +TEST_F(FFFTestSuite, value_func_will_return_zero_after_reset) +{ + longfunc0_fake.return_val = 99l; + RESET_FAKE(longfunc0); + ASSERT_EQ(0l, longfunc0()); +} + +TEST_F(FFFTestSuite, register_call_macro_registers_one_call) +{ + REGISTER_CALL(longfunc0); + ASSERT_EQ(fff.call_history[0], (void *)longfunc0); +} + +TEST_F(FFFTestSuite, register_call_macro_registers_two_calls) +{ + REGISTER_CALL(longfunc0); + REGISTER_CALL(voidfunc2); + + ASSERT_EQ(fff.call_history[0], (void *)longfunc0); + ASSERT_EQ(fff.call_history[1], (void *)voidfunc2); +} + +TEST_F(FFFTestSuite, reset_call_history_resets_call_history) +{ + REGISTER_CALL(longfunc0); + REGISTER_CALL(voidfunc1); + FFF_RESET_HISTORY(); + REGISTER_CALL(voidfunc2); + + ASSERT_EQ(1u, fff.call_history_idx); + ASSERT_EQ(fff.call_history[0], (void *)voidfunc2); + ASSERT_EQ(fff.call_history[1], (void *)0); +} + +TEST_F(FFFTestSuite, call_history_will_not_write_past_array_bounds) +{ + for (unsigned int i = 0; i < FFF_CALL_HISTORY_LEN + 1; i++) + { + REGISTER_CALL(longfunc0); + } + ASSERT_EQ(FFF_CALL_HISTORY_LEN, fff.call_history_idx); +} + +TEST_F(FFFTestSuite, calling_fake_registers_one_call) +{ + longfunc0(); + ASSERT_EQ(fff.call_history_idx, 1u); + ASSERT_EQ(fff.call_history[0], (void *)longfunc0); +} + +TEST_F(FFFTestSuite, return_value_sequences_not_exhausted) +{ + long myReturnVals[3] = { 3, 7, 9 }; + SET_RETURN_SEQ(longfunc0, myReturnVals, 3); + ASSERT_EQ(myReturnVals[0], longfunc0()); + ASSERT_EQ(myReturnVals[1], longfunc0()); + ASSERT_EQ(myReturnVals[2], longfunc0()); +} + + +TEST_F(FFFTestSuite, return_value_sequences_exhausted) +{ + long myReturnVals[3] = { 3, 7, 9 }; + SET_RETURN_SEQ(longfunc0, myReturnVals, 3); + ASSERT_EQ(myReturnVals[0], longfunc0()); + ASSERT_EQ(myReturnVals[1], longfunc0()); + ASSERT_EQ(myReturnVals[2], longfunc0()); + ASSERT_EQ(myReturnVals[2], longfunc0()); + ASSERT_EQ(myReturnVals[2], longfunc0()); +} + +TEST_F(FFFTestSuite, return_value_sequences_reset) +{ + long myReturnVals[3] = { 3, 7, 9 }; + SET_RETURN_SEQ(longfunc0, myReturnVals, 3); + ASSERT_EQ(myReturnVals[0], longfunc0()); + ASSERT_EQ(myReturnVals[1], longfunc0()); + RESET_FAKE(longfunc0); + ASSERT_EQ(0, longfunc0()); +} + +static int my_custom_fake_called = 0; +void my_custom_fake(char a, char b) +{ + my_custom_fake_called++; +} + +TEST_F(FFFTestSuite, can_register_custom_fake) +{ + voidfunc2_fake.custom_fake = my_custom_fake; + voidfunc2('a', 'b'); + ASSERT_EQ(1, my_custom_fake_called); +} + +void voidfunc1outparam_custom_fake1(char *a) +{ + *a = 'x'; +} + +void voidfunc1outparam_custom_fake2(char *a) +{ + *a = 'y'; +} + +void voidfunc1outparam_custom_fake3(char *a) +{ + *a = 'z'; +} + +TEST_F(FFFTestSuite, custom_fake_sequence_not_exausthed) +{ + void (*custom_fakes[])(char *) = {voidfunc1outparam_custom_fake1, + voidfunc1outparam_custom_fake2, + voidfunc1outparam_custom_fake3}; + char a = 'a'; + + SET_CUSTOM_FAKE_SEQ(voidfunc1outparam, custom_fakes, 3); + + voidfunc1outparam(&a); + ASSERT_EQ('x', a); + voidfunc1outparam(&a); + ASSERT_EQ('y', a); + voidfunc1outparam(&a); + ASSERT_EQ('z', a); +} + +TEST_F(FFFTestSuite, return_value_sequence_saved_in_history) +{ + long myReturnVals[3] = { 3, 7, 9 }; + SET_RETURN_SEQ(longfunc0, myReturnVals, 3); + longfunc0(); + longfunc0(); + longfunc0(); + ASSERT_EQ(myReturnVals[0], longfunc0_fake.return_val_history[0]); + ASSERT_EQ(myReturnVals[1], longfunc0_fake.return_val_history[1]); + ASSERT_EQ(myReturnVals[2], longfunc0_fake.return_val_history[2]); +} + +TEST_F(FFFTestSuite, return_value_saved_in_history) +{ + long i; + + for (i = 0; i < FFF_ARG_HISTORY_LEN; i++) + { + longfunc0_fake.return_val = i + 1; + longfunc0(); + } + + for (i = 0; i < FFF_ARG_HISTORY_LEN; i++) + { + ASSERT_EQ(longfunc0_fake.return_val_history[i], i + 1); + } +} +long custom_longfunc1() +{ + return 42; +} + +long custom_longfunc2() +{ + return 15; +} + +long custom_longfunc3() +{ + return 7; +} + +TEST_F(FFFTestSuite, custom_fake_seq_return_values_saved_in_history) +{ + long (*custom_fakes[])(void) = {custom_longfunc1, + custom_longfunc2, + custom_longfunc3}; + SET_CUSTOM_FAKE_SEQ(longfunc0, custom_fakes, 3); + + longfunc0(); + longfunc0(); + longfunc0(); + + ASSERT_EQ(42, longfunc0_fake.return_val_history[0]); + ASSERT_EQ(15, longfunc0_fake.return_val_history[1]); + ASSERT_EQ(7, longfunc0_fake.return_val_history[2]); +} + +TEST_F(FFFTestSuite, custom_fake_sequence_exhausted) +{ + void (*custom_fakes[])(char *) = {voidfunc1outparam_custom_fake1, + voidfunc1outparam_custom_fake2, + voidfunc1outparam_custom_fake3}; + char a = 'a'; + + SET_CUSTOM_FAKE_SEQ(voidfunc1outparam, custom_fakes, 3); + + voidfunc1outparam(&a); + ASSERT_EQ('x', a); + voidfunc1outparam(&a); + ASSERT_EQ('y', a); + voidfunc1outparam(&a); + ASSERT_EQ('z', a); + a = 'a'; + voidfunc1outparam(&a); + ASSERT_EQ('z', a); + a = 'b'; + voidfunc1outparam(&a); + ASSERT_EQ('z', a); +} +//DECLARE_FAKE_VALUE_FUNC0(long, longfunc0); +#define MEANING_OF_LIFE 42 +long my_custom_value_fake(void) +{ + return MEANING_OF_LIFE; +} +TEST_F(FFFTestSuite, when_value_custom_fake_called_THEN_it_returns_custom_return_value) +{ + longfunc0_fake.custom_fake = my_custom_value_fake; + long retval = longfunc0(); + ASSERT_EQ(MEANING_OF_LIFE, retval); +} + +#ifndef __cplusplus +TEST_F(FFFTestSuite, use_void_vararg_fake_with_different_number_of_arguments) +{ + voidfunc3var("0 parameters", 0); + voidfunc3var("1 parameter", 1, 10); + voidfunc3var("2 parameters", 2, 10, 20); + voidfunc3var("3 parameters", 3, 10, 20, 30); + + ASSERT_EQ(voidfunc3var_fake.call_count, 4); + char msg[] = "3 parameters"; + ASSERT_EQ(strcmp(voidfunc3var_fake.arg0_val, msg), 0); + ASSERT_EQ(3, voidfunc3var_fake.arg1_val); +} + +TEST_F(FFFTestSuite, use_value_vararg_fake_with_different_number_of_arguments) +{ + valuefunc3var("0 parameters", 0); + valuefunc3var("1 parameter", 1, 10); + valuefunc3var("2 parameters", 2, 10, 20); + valuefunc3var("3 parameters", 3, 10, 20, 30); + + ASSERT_EQ(valuefunc3var_fake.call_count, 4); + char msg[] = "3 parameters"; + ASSERT_EQ(strcmp(valuefunc3var_fake.arg0_val, msg), 0); + ASSERT_EQ(3, valuefunc3var_fake.arg1_val); +} +#endif /* __cplusplus */ + +TEST_F(FFFTestSuite, can_capture_upto_20_arguments_correctly) +{ + voidfunc20(0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19); + ASSERT_EQ(0, voidfunc20_fake.arg0_val); + ASSERT_EQ(1, voidfunc20_fake.arg1_val); + ASSERT_EQ(2, voidfunc20_fake.arg2_val); + ASSERT_EQ(3, voidfunc20_fake.arg3_val); + ASSERT_EQ(4, voidfunc20_fake.arg4_val); + ASSERT_EQ(5, voidfunc20_fake.arg5_val); + ASSERT_EQ(6, voidfunc20_fake.arg6_val); + ASSERT_EQ(7, voidfunc20_fake.arg7_val); + ASSERT_EQ(8, voidfunc20_fake.arg8_val); + ASSERT_EQ(9, voidfunc20_fake.arg9_val); + ASSERT_EQ(10, voidfunc20_fake.arg10_val); + ASSERT_EQ(11, voidfunc20_fake.arg11_val); + ASSERT_EQ(12, voidfunc20_fake.arg12_val); + ASSERT_EQ(13, voidfunc20_fake.arg13_val); + ASSERT_EQ(14, voidfunc20_fake.arg14_val); + ASSERT_EQ(15, voidfunc20_fake.arg15_val); + ASSERT_EQ(16, voidfunc20_fake.arg16_val); + ASSERT_EQ(17, voidfunc20_fake.arg17_val); + ASSERT_EQ(18, voidfunc20_fake.arg18_val); + ASSERT_EQ(19, voidfunc20_fake.arg19_val); +} + +TEST_F(FFFTestSuite, value_func_can_capture_upto_20_arguments_correctly) +{ + valuefunc20_fake.return_val = 42; + + int return_val = valuefunc20(0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19); + + ASSERT_EQ(42, return_val); + ASSERT_EQ(0, valuefunc20_fake.arg0_val); + ASSERT_EQ(1, valuefunc20_fake.arg1_val); + ASSERT_EQ(2, valuefunc20_fake.arg2_val); + ASSERT_EQ(3, valuefunc20_fake.arg3_val); + ASSERT_EQ(4, valuefunc20_fake.arg4_val); + ASSERT_EQ(5, valuefunc20_fake.arg5_val); + ASSERT_EQ(6, valuefunc20_fake.arg6_val); + ASSERT_EQ(7, valuefunc20_fake.arg7_val); + ASSERT_EQ(8, valuefunc20_fake.arg8_val); + ASSERT_EQ(9, valuefunc20_fake.arg9_val); + ASSERT_EQ(10, valuefunc20_fake.arg10_val); + ASSERT_EQ(11, valuefunc20_fake.arg11_val); + ASSERT_EQ(12, valuefunc20_fake.arg12_val); + ASSERT_EQ(13, valuefunc20_fake.arg13_val); + ASSERT_EQ(14, valuefunc20_fake.arg14_val); + ASSERT_EQ(15, valuefunc20_fake.arg15_val); + ASSERT_EQ(16, valuefunc20_fake.arg16_val); + ASSERT_EQ(17, valuefunc20_fake.arg17_val); + ASSERT_EQ(18, valuefunc20_fake.arg18_val); + ASSERT_EQ(19, valuefunc20_fake.arg19_val); +} + |