shellmatta/test/unittest/shellmatta_utils/test_utils_rewindCursor.cpp

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#include "test/framework/catch.hpp"
#include "src/shellmatta_utils.c"
#include <string.h>
static uint32_t write_callCnt = 0u;
static char write_data[10];
static uint32_t write_length;
static shellmatta_retCode_t writeFct(const char* data, uint32_t length)
{
write_callCnt ++;
strncpy(write_data, data, length);
write_length = length;
return SHELLMATTA_OK;
}
TEST_CASE( "shellmatta_utils_rewindCursor normal" ) {
shellmatta_instance_t inst;
char buffer[20];
inst.buffer = buffer;
inst.bufferSize = 20;
inst.cursor = 10;
inst.inputCount = 10;
inst.echoEnabled = true;
inst.write = writeFct;
write_callCnt = 0u;
memset(write_data, 0, sizeof(write_data));
write_length = 0u;
utils_rewindCursor(&inst, 5u);
CHECK( write_callCnt == 1u);
CHECK( write_length == 4u);
REQUIRE( strncmp("\x1b[5D", write_data, 4u) == 0);
}
TEST_CASE( "shellmatta_utils_rewindCursor rewind by 12 with cursor at 10" ) {
shellmatta_instance_t inst;
char buffer[20];
inst.buffer = buffer;
inst.bufferSize = 20;
inst.cursor = 10;
inst.inputCount = 10;
inst.echoEnabled = true;
inst.write = writeFct;
write_callCnt = 0u;
memset(write_data, 0, sizeof(write_data));
write_length = 0u;
utils_rewindCursor(&inst, 12u);
CHECK( write_callCnt == 1u);
CHECK( write_length == 5u);
REQUIRE( strncmp("\x1b[10D", write_data, 5u) == 0);
}
TEST_CASE( "shellmatta_utils_rewindCursor rewind by 0" ) {
shellmatta_instance_t inst;
char buffer[20];
inst.buffer = buffer;
inst.bufferSize = 20;
inst.cursor = 10;
inst.inputCount = 10;
inst.echoEnabled = true;
inst.write = writeFct;
write_callCnt = 0u;
memset(write_data, 0, sizeof(write_data));
write_length = 0u;
utils_rewindCursor(&inst, 0u);
CHECK( write_callCnt == 0u);
CHECK( write_length == 0u);
REQUIRE( strncmp("\0\0\0\0\0", write_data, 4u) == 0);
}