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P02's bit-manipulation lab added

This commit is contained in:
Andreas Gieriet 2020-02-22 04:52:43 +01:00
parent 75495f40a2
commit 1d36901fdd
4 changed files with 242 additions and 0 deletions
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7
P02_QR_Code_auf_Terminal/bit-manipulation/Makefile Normal file
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SNP_SHARED_MAKEFILE := $(if $(SNP_SHARED_MAKEFILE),$(SNP_SHARED_MAKEFILE),"~/snp/shared.mk")
TARGET := bin/bit-manipulation
SOURCES := src/main.c
TSTSOURCES := tests/tests.c
include $(SNP_SHARED_MAKEFILE)

8
P02_QR_Code_auf_Terminal/bit-manipulation/mainpage.dox Normal file
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/**
* @mainpage SNP - P02 QR Code
*
* @section Purpose
*
* This is a lab to display a QR code on the color terminal.
*
*/

53
P02_QR_Code_auf_Terminal/bit-manipulation/src/main.c Normal file
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/* ----------------------------------------------------------------------------
* -- _____ ______ _____ -
* -- |_ _| | ____|/ ____| -
* -- | | _ __ | |__ | (___ Institute of Embedded Systems -
* -- | | | '_ \| __| \___ \ Zuercher Hochschule Winterthur -
* -- _| |_| | | | |____ ____) | (University of Applied Sciences) -
* -- |_____|_| |_|______|_____/ 8401 Winterthur, Switzerland -
* ----------------------------------------------------------------------------
*/
/**
* @file
* @brief Lab P02 bit Manipulation
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#define USAGE "usage: %s value [bitnr]\n value in the range 0..255\n bitnr in the range 0..7\n"
/**
* @brief main function
* @returns always success (0)
*/
int main(int argc, const char* argv[])
{
// check arguments and get the values
// BEGIN-STUDENTS-TO-ADD-CODE
// END-STUDENTS-TO-ADD-CODE
if (argc == 2) {
// BEGIN-STUDENTS-TO-ADD-CODE
// END-STUDENTS-TO-ADD-CODE
} else {
// BEGIN-STUDENTS-TO-ADD-CODE
// END-STUDENTS-TO-ADD-CODE
}
return EXIT_SUCCESS;
}

174
P02_QR_Code_auf_Terminal/bit-manipulation/tests/tests.c Executable file
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/* ----------------------------------------------------------------------------
* -- _____ ______ _____ -
* -- |_ _| | ____|/ ____| -
* -- | | _ __ | |__ | (___ Institute of Embedded Systems -
* -- | | | '_ \| __| \___ \ Zuercher Hochschule Winterthur -
* -- _| |_| | | | |____ ____) | (University of Applied Sciences) -
* -- |_____|_| |_|______|_____/ 8401 Winterthur, Switzerland -
* ----------------------------------------------------------------------------
*/
/**
* @file
* @brief Test suite for the given package.
*/
#include <stdio.h>
#include <stdlib.h>
#include <sys/wait.h>
#include <CUnit/Basic.h>
#include "test_utils.h"
#ifndef TARGET // must be given by the make file --> see test target
#error missing TARGET define
#endif
/// @brief The name of the STDOUT text file.
#define OUTFILE "stdout.txt"
/// @brief The name of the STDERR text file.
#define ERRFILE "stderr.txt"
/// @brief The input data
#define SNP_INPUT "snp.input"
// setup & cleanup
static int setup(void)
{
remove_file_if_exists(OUTFILE);
remove_file_if_exists(ERRFILE);
return 0; // success
}
static int teardown(void)
{
// Do nothing.
// Especially: do not remove result files - they are removed in int setup(void) *before* running a test.
return 0; // success
}
// tests
static void test_no_arg(void)
{
// arrange
// act
int exit_code = system(XSTR(TARGET) " 1>/dev/null 2>/dev/null");
// assert
CU_ASSERT_EQUAL(WEXITSTATUS(exit_code), EXIT_FAILURE);
}
static void test_13(void)
{
// arrange
const char *out_txt[] =
{ "unsigned: 13 (0x0d)\n"
, " signed: 13 (0x0d)\n"
, " +255: 12 (0x0c)\n"
, " one's: -14 (0xfffffff2)\n"
, " two's: -13 (0xfffffff3)\n"
};
const char *err_txt[] = { NULL };
// act
int exit_code = system(XSTR(TARGET) " 13 1>" OUTFILE " 2>" ERRFILE);
// assert
CU_ASSERT_EQUAL(WEXITSTATUS(exit_code), EXIT_SUCCESS);
assert_lines(OUTFILE, out_txt, sizeof(out_txt)/sizeof(*out_txt));
assert_lines(ERRFILE, err_txt, sizeof(err_txt)/sizeof(*err_txt));
}
static void test_131_2(void)
{
// arrange
const char *out_txt[] =
{ " dec hex oct\n"
, "your input : 131 0x83 0203\n"
, "bit 2 is not set.\n"
, "bit 2 cleared: 131 0x83 0203\n"
, "bit 2 set : 135 0x87 0207\n"
, "bit 2 flipped: 135 0x87 0207\n"
};
const char *err_txt[] = { NULL };
// act
int exit_code = system(XSTR(TARGET) " 131 2 1>" OUTFILE " 2>" ERRFILE);
// assert
CU_ASSERT_EQUAL(WEXITSTATUS(exit_code), EXIT_SUCCESS);
assert_lines(OUTFILE, out_txt, sizeof(out_txt)/sizeof(*out_txt));
assert_lines(ERRFILE, err_txt, sizeof(err_txt)/sizeof(*err_txt));
}
static void test_255_7(void)
{
// arrange
const char *out_txt[] =
{ " dec hex oct\n"
, "your input : 255 0xff 0377\n"
, "bit 7 is set.\n"
, "bit 7 cleared: 127 0x7f 0177\n"
, "bit 7 set : 255 0xff 0377\n"
, "bit 7 flipped: 127 0x7f 0177\n"
};
const char *err_txt[] = { NULL };
// act
int exit_code = system(XSTR(TARGET) " 255 7 1>" OUTFILE " 2>" ERRFILE);
// assert
CU_ASSERT_EQUAL(WEXITSTATUS(exit_code), EXIT_SUCCESS);
assert_lines(OUTFILE, out_txt, sizeof(out_txt)/sizeof(*out_txt));
assert_lines(ERRFILE, err_txt, sizeof(err_txt)/sizeof(*err_txt));
}
static void test_127_7(void)
{
// arrange
const char *out_txt[] =
{ " dec hex oct\n"
, "your input : 127 0x7f 0177\n"
, "bit 7 is not set.\n"
, "bit 7 cleared: 127 0x7f 0177\n"
, "bit 7 set : 255 0xff 0377\n"
, "bit 7 flipped: 255 0xff 0377\n"
};
const char *err_txt[] = { NULL };
// act
int exit_code = system(XSTR(TARGET) " 127 7 1>" OUTFILE " 2>" ERRFILE);
// assert
CU_ASSERT_EQUAL(WEXITSTATUS(exit_code), EXIT_SUCCESS);
assert_lines(OUTFILE, out_txt, sizeof(out_txt)/sizeof(*out_txt));
assert_lines(ERRFILE, err_txt, sizeof(err_txt)/sizeof(*err_txt));
}
static void test_0_0(void)
{
// arrange
const char *out_txt[] =
{ " dec hex oct\n"
, "your input : 0 0x00 0000\n"
, "bit 0 is not set.\n"
, "bit 0 cleared: 0 0x00 0000\n"
, "bit 0 set : 1 0x01 0001\n"
, "bit 0 flipped: 1 0x01 0001\n"
};
const char *err_txt[] = { NULL };
// act
int exit_code = system(XSTR(TARGET) " 0 0 1>" OUTFILE " 2>" ERRFILE);
// assert
CU_ASSERT_EQUAL(WEXITSTATUS(exit_code), EXIT_SUCCESS);
assert_lines(OUTFILE, out_txt, sizeof(out_txt)/sizeof(*out_txt));
assert_lines(ERRFILE, err_txt, sizeof(err_txt)/sizeof(*err_txt));
}
/**
* @brief Registers and runs the tests.
* @returns success (0) or one of the CU_ErrorCode (>0)
*/
int main(void)
{
// setup, run, teardown
TestMainBasic("lab test", setup, teardown
, test_no_arg
, test_13
, test_131_2
, test_255_7
, test_127_7
, test_0_0
);
}