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Dqn/Code/Dqn_UnitTests.cpp

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#define DQN_HEADER_COPY_PROTOTYPE_AND_COMMENT(func_comment, func_return, func_name_and_types) func_return func_name_and_types
#define DQN_HEADER_COPY_PROTOTYPE(func_return, func_name_and_types) func_return func_name_and_types
#define _CRT_SECURE_NO_WARNINGS
#include "Dqn.h"
struct TestState
{
Dqn_MemArena arena;
int indent_level;
Slice<char> name;
Slice<char> fail_expr;
Slice<char> fail_msg;
bool scope_started;
};
struct TestingState
{
int num_tests_in_group;
int num_tests_ok_in_group;
TestState test;
};
#define ANSI_COLOR_RED "\x1b[31m"
#define ANSI_COLOR_GREEN "\x1b[32m"
#define ANSI_COLOR_YELLOW "\x1b[33m"
#define ANSI_COLOR_BLUE "\x1b[34m"
#define ANSI_COLOR_MAGENTA "\x1b[35m"
#define ANSI_COLOR_CYAN "\x1b[36m"
#define ANSI_COLOR_RESET "\x1b[0m"
#define TEST_START_SCOPE(testing_state, test_name) \
DQN_DEFER \
{ \
if (testing_state.test.fail_expr.len == 0) testing_state.num_tests_ok_in_group++; \
TestState_PrintResult(&testing_state.test); \
testing_state.test = {}; \
}; \
testing_state.test.name = AsprintfSlice(&testing_state.test.arena, test_name); \
testing_state.test.scope_started = true; \
testing_state.num_tests_in_group++
#define TEST_DECLARE_GROUP_SCOPED(testing_state, name) \
fprintf(stdout, "\n" name "\n"); \
DQN_DEFER \
{ \
TestingState_PrintGroupResult(&testing_state); \
testing_state = {}; \
}
#define TEST_EXPECT_MSG(testing_state, expr, msg, ...) \
DQN_ASSERT(testing_state.test.scope_started); \
if (!(expr)) \
{ \
testing_state.test.fail_expr = AsprintfSlice(&testing_state.test.arena, #expr); \
testing_state.test.fail_msg = AsprintfSlice(&testing_state.test.arena, msg, ##__VA_ARGS__); \
}
#define TEST_EXPECT(testing_state, expr) TEST_EXPECT_MSG(testing_state, expr, "")
void TestingState_PrintGroupResult(TestingState const *result)
{
char constexpr INDENT[] = " ";
int constexpr DESIRED_LEN = 72;
char const STATUS_OK[] = "OK";
char const STATUS_FAIL[] = "FAIL";
bool all_tests_passed = (result->num_tests_ok_in_group == result->num_tests_in_group);
char buf[256] = {};
int len = snprintf(buf, Dqn_ArrayCount(buf), "%02d/%02d Tests Passed ", result->num_tests_ok_in_group, result->num_tests_in_group);
isize remaining_len = DESIRED_LEN - len - 1;
remaining_len = (all_tests_passed) ? remaining_len - Dqn_CharCount(STATUS_OK) : remaining_len - Dqn_CharCount(STATUS_FAIL);
remaining_len = DQN_MAX(remaining_len, 0);
DQN_FOR_EACH(i, remaining_len) fprintf(stdout, " ");
fprintf(stdout, "%s", buf);
if (result->num_tests_ok_in_group == result->num_tests_in_group)
fprintf(stdout, ANSI_COLOR_GREEN "%s" ANSI_COLOR_RESET, STATUS_OK);
else
fprintf(stdout, ANSI_COLOR_RED "%s" ANSI_COLOR_RESET, STATUS_FAIL);
}
void TestState_PrintResult(TestState const *result)
{
char constexpr INDENT[] = " ";
int constexpr DESIRED_LEN = 72;
fprintf(stdout, "%s%s", INDENT, result->name.str);
char const STATUS_OK[] = "OK";
char const STATUS_FAIL[] = "FAIL";
isize remaining_len = DESIRED_LEN - result->name.len - Dqn_CharCount(INDENT);
remaining_len = (result->fail_expr.str) ? remaining_len - Dqn_CharCount(STATUS_FAIL) : remaining_len - Dqn_CharCount(STATUS_OK);
remaining_len = DQN_MAX(remaining_len, 0);
DQN_FOR_EACH(i, remaining_len) fprintf(stdout, ".");
if (result->fail_expr.str)
{
fprintf(stdout, ANSI_COLOR_RED "%s" ANSI_COLOR_RESET "\n", STATUS_FAIL);
fprintf(stdout, "%s%sReason: [%s] %s\n", INDENT, INDENT, result->fail_expr.str, result->fail_msg.str);
}
else
{
fprintf(stdout, ANSI_COLOR_GREEN "%s" ANSI_COLOR_RESET "\n", STATUS_OK);
}
}
FILE_SCOPE void UnitTests()
{
TestingState testing_state = {};
// ---------------------------------------------------------------------------------------------
//
// NOTE: Dqn_StringBuilder
//
// ---------------------------------------------------------------------------------------------
{
TEST_DECLARE_GROUP_SCOPED(testing_state, "Dqn_StringBuilder");
// NOTE: Dqn_StringBuilder_Append
{
{
TEST_START_SCOPE(testing_state, "Append variable length strings and build using malloc");
Dqn_StringBuilder<> builder = {};
Dqn_StringBuilder_Append(&builder, "Abc", 1);
Dqn_StringBuilder_Append(&builder, "cd");
isize len = 0;
char *result = Dqn_StringBuilder_BuildFromMalloc(&builder, &len);
DQN_DEFER { free(result); };
char constexpr EXPECT_STR[] = "Acd";
TEST_EXPECT_MSG(testing_state, len == Dqn_CharCountI(EXPECT_STR) + 1 /*null terminator*/, "len: %zd", len);
TEST_EXPECT_MSG(testing_state, strncmp(result, EXPECT_STR, len) == 0, "result: %s", result);
}
{
TEST_START_SCOPE(testing_state, "Append empty string and build using malloc");
Dqn_StringBuilder<> builder = {};
Dqn_StringBuilder_Append(&builder, "");
Dqn_StringBuilder_Append(&builder, "");
isize len = 0;
char *result = Dqn_StringBuilder_BuildFromMalloc(&builder, &len);
DQN_DEFER { free(result); };
char constexpr EXPECT_STR[] = "";
TEST_EXPECT_MSG(testing_state, len == Dqn_CharCountI(EXPECT_STR) + 1 /*null terminator*/, "len: %zd", len);
TEST_EXPECT_MSG(testing_state, strncmp(result, EXPECT_STR, len) == 0, "result: %s", result);
}
{
TEST_START_SCOPE(testing_state, "Append empty string onto string and build using malloc");
Dqn_StringBuilder<> builder = {};
Dqn_StringBuilder_Append(&builder, "Acd");
Dqn_StringBuilder_Append(&builder, "");
isize len = 0;
char *result = Dqn_StringBuilder_BuildFromMalloc(&builder, &len);
DQN_DEFER { free(result); };
char constexpr EXPECT_STR[] = "Acd";
TEST_EXPECT_MSG(testing_state, len == Dqn_CharCountI(EXPECT_STR) + 1 /*null terminator*/, "len: %zd", len);
TEST_EXPECT_MSG(testing_state, strncmp(result, EXPECT_STR, len) == 0, "result: %s", result);
}
{
TEST_START_SCOPE(testing_state, "Append nullptr and build using malloc");
Dqn_StringBuilder<> builder = {};
Dqn_StringBuilder_Append(&builder, nullptr, 5);
isize len = 0;
char *result = Dqn_StringBuilder_BuildFromMalloc(&builder, &len);
DQN_DEFER { free(result); };
char constexpr EXPECT_STR[] = "";
TEST_EXPECT_MSG(testing_state, len == Dqn_CharCountI(EXPECT_STR) + 1 /*null terminator*/, "len: %zd", len);
TEST_EXPECT_MSG(testing_state, strncmp(result, EXPECT_STR, len) == 0, "result: %s", result);
}
{
TEST_START_SCOPE(testing_state, "Append and require new linked buffer and build using malloc");
Dqn_StringBuilder<2> builder = {};
Dqn_StringBuilder_Append(&builder, "A");
Dqn_StringBuilder_Append(&builder, "z"); // Should force a new memory block
Dqn_StringBuilder_Append(&builder, "tec");
isize len = 0;
char *result = Dqn_StringBuilder_BuildFromMalloc(&builder, &len);
DQN_DEFER { free(result); };
char constexpr EXPECT_STR[] = "Aztec";
TEST_EXPECT_MSG(testing_state, len == Dqn_CharCountI(EXPECT_STR) + 1 /*null terminator*/, "len: %zd", len);
TEST_EXPECT_MSG(testing_state, strncmp(result, EXPECT_STR, len) == 0, "result: %s", result);
}
}
// NOTE: Dqn_StringBuilder_AppendChar
{
TEST_START_SCOPE(testing_state, "Append char and build using malloc");
Dqn_StringBuilder<> builder = {};
Dqn_StringBuilder_AppendChar(&builder, 'a');
Dqn_StringBuilder_AppendChar(&builder, 'b');
isize len = 0;
char *result = Dqn_StringBuilder_BuildFromMalloc(&builder, &len);
DQN_DEFER { free(result); };
char constexpr EXPECT_STR[] = "ab";
TEST_EXPECT_MSG(testing_state, len == Dqn_CharCountI(EXPECT_STR) + 1 /*null terminator*/, "len: %zd", len);
TEST_EXPECT_MSG(testing_state, strncmp(result, EXPECT_STR, len) == 0, "result: %s", result);
}
// NOTE: Dqn_StringBuilder_FmtAppend
{
{
TEST_START_SCOPE(testing_state, "Append format string and build using malloc");
Dqn_StringBuilder<> builder = {};
Dqn_StringBuilder_FmtAppend(&builder, "Number: %d, String: %s, ", 4, "Hello Sailor");
Dqn_StringBuilder_FmtAppend(&builder, "Extra Stuff");
isize len = 0;
char *result = Dqn_StringBuilder_BuildFromMalloc(&builder, &len);
DQN_DEFER { free(result); };
char constexpr EXPECT_STR[] = "Number: 4, String: Hello Sailor, Extra Stuff";
TEST_EXPECT_MSG(testing_state, len == Dqn_CharCountI(EXPECT_STR) + 1 /*null terminator*/, "len: %zd", len);
TEST_EXPECT_MSG(testing_state, strncmp(result, EXPECT_STR, len) == 0, "result: %s", result);
}
{
TEST_START_SCOPE(testing_state, "Append nullptr format string and build using malloc");
Dqn_StringBuilder<> builder = {};
Dqn_StringBuilder_FmtAppend(&builder, nullptr);
isize len = 0;
char *result = Dqn_StringBuilder_BuildFromMalloc(&builder, &len);
DQN_DEFER { free(result); };
char constexpr EXPECT_STR[] = "";
TEST_EXPECT_MSG(testing_state, len == Dqn_CharCountI(EXPECT_STR) + 1 /*null terminator*/, "len: %zd", len);
TEST_EXPECT_MSG(testing_state, strncmp(result, EXPECT_STR, len) == 0, "result: %s", result);
}
}
}
// ---------------------------------------------------------------------------------------------
//
// NOTE: Dqn_FixedArray
//
// ---------------------------------------------------------------------------------------------
{
TEST_DECLARE_GROUP_SCOPED(testing_state, "Dqn_FixedArray");
// NOTE: Dqn_FixedArray_Init
{
TEST_START_SCOPE(testing_state, "Initialise from raw array");
int raw_array[] = {1, 2};
auto array = Dqn_FixedArray_Init<int, 4>(raw_array, (int)Dqn_ArrayCount(raw_array));
TEST_EXPECT(testing_state, array.len == 2);
TEST_EXPECT(testing_state, array[0] == 1);
TEST_EXPECT(testing_state, array[1] == 2);
}
// NOTE: Dqn_FixedArray_EraseStable
{
TEST_START_SCOPE(testing_state, "Erase stable 1 element from array");
int raw_array[] = {1, 2, 3};
auto array = Dqn_FixedArray_Init<int, 4>(raw_array, (int)Dqn_ArrayCount(raw_array));
Dqn_FixedArray_EraseStable(&array, 1);
TEST_EXPECT(testing_state, array.len == 2);
TEST_EXPECT(testing_state, array[0] == 1);
TEST_EXPECT(testing_state, array[1] == 3);
}
// NOTE: Dqn_FixedArray_EraseUnstable
{
TEST_START_SCOPE(testing_state, "Erase unstable 1 element from array");
int raw_array[] = {1, 2, 3};
auto array = Dqn_FixedArray_Init<int, 4>(raw_array, (int)Dqn_ArrayCount(raw_array));
Dqn_FixedArray_EraseUnstable(&array, 0);
TEST_EXPECT(testing_state, array.len == 2);
TEST_EXPECT(testing_state, array[0] == 3);
TEST_EXPECT(testing_state, array[1] == 2);
}
// NOTE: Dqn_FixedArray_Add
{
TEST_START_SCOPE(testing_state, "Add 1 element to array");
int const ITEM = 2;
int raw_array[] = {1};
auto array = Dqn_FixedArray_Init<int, 4>(raw_array, (int)Dqn_ArrayCount(raw_array));
Dqn_FixedArray_Add(&array, ITEM);
TEST_EXPECT(testing_state, array.len == 2);
TEST_EXPECT(testing_state, array[0] == 1);
TEST_EXPECT(testing_state, array[1] == ITEM);
}
// NOTE: Dqn_FixedArray_Clear
{
TEST_START_SCOPE(testing_state, "Clear array");
int raw_array[] = {1};
auto array = Dqn_FixedArray_Init<int, 4>(raw_array, (int)Dqn_ArrayCount(raw_array));
Dqn_FixedArray_Clear(&array);
TEST_EXPECT(testing_state, array.len == 0);
}
}
// ---------------------------------------------------------------------------------------------
//
// NOTE: Dqn_StrToI64
//
// ---------------------------------------------------------------------------------------------
{
TEST_DECLARE_GROUP_SCOPED(testing_state, "Dqn_StrToI64");
{
TEST_START_SCOPE(testing_state, "Convert nullptr");
i64 result = Dqn_StrToI64(nullptr);
TEST_EXPECT(testing_state, result == 0);
}
{
TEST_START_SCOPE(testing_state, "Convert empty string");
i64 result = Dqn_StrToI64("");
TEST_EXPECT(testing_state, result == 0);
}
{
TEST_START_SCOPE(testing_state, "Convert \"1\"");
i64 result = Dqn_StrToI64("1");
TEST_EXPECT(testing_state, result == 1);
}
{
TEST_START_SCOPE(testing_state, "Convert \"-0\"");
i64 result = Dqn_StrToI64("-0");
TEST_EXPECT(testing_state, result == 0);
}
{
TEST_START_SCOPE(testing_state, "Convert \"-1\"");
i64 result = Dqn_StrToI64("-1");
TEST_EXPECT(testing_state, result == -1);
}
{
TEST_START_SCOPE(testing_state, "Convert \"1.2\"");
i64 result = Dqn_StrToI64("1.2");
TEST_EXPECT(testing_state, result == 1);
}
{
TEST_START_SCOPE(testing_state, "Convert \"1,234\"");
i64 result = Dqn_StrToI64("1,234");
TEST_EXPECT(testing_state, result == 1234);
}
{
TEST_START_SCOPE(testing_state, "Convert \"1,2\"");
i64 result = Dqn_StrToI64("1,2");
TEST_EXPECT(testing_state, result == 12);
}
{
TEST_START_SCOPE(testing_state, "Convert \"12a3\"");
i64 result = Dqn_StrToI64("12a3");
TEST_EXPECT(testing_state, result == 12);
}
}
// ---------------------------------------------------------------------------------------------
//
// NOTE: Dqn_StrToU64
//
// ---------------------------------------------------------------------------------------------
{
TEST_DECLARE_GROUP_SCOPED(testing_state, "Dqn_StrToU64");
{
TEST_START_SCOPE(testing_state, "Convert nullptr");
u64 result = Dqn_StrToU64(nullptr);
TEST_EXPECT(testing_state, result == 0);
}
{
TEST_START_SCOPE(testing_state, "Convert empty string");
u64 result = Dqn_StrToU64("");
TEST_EXPECT(testing_state, result == 0);
}
{
TEST_START_SCOPE(testing_state, "Convert \"1\"");
u64 result = Dqn_StrToU64("1");
TEST_EXPECT(testing_state, result == 1);
}
{
TEST_START_SCOPE(testing_state, "Convert \"-0\"");
u64 result = Dqn_StrToU64("-0");
TEST_EXPECT(testing_state, result == 0);
}
{
TEST_START_SCOPE(testing_state, "Convert \"-1\"");
u64 result = Dqn_StrToU64("-1");
TEST_EXPECT(testing_state, result == 0);
}
{
TEST_START_SCOPE(testing_state, "Convert \"1.2\"");
u64 result = Dqn_StrToU64("1.2");
TEST_EXPECT(testing_state, result == 1);
}
{
TEST_START_SCOPE(testing_state, "Convert \"1,234\"");
u64 result = Dqn_StrToU64("1,234");
TEST_EXPECT(testing_state, result == 1234);
}
{
TEST_START_SCOPE(testing_state, "Convert \"1,2\"");
u64 result = Dqn_StrToU64("1,2");
TEST_EXPECT(testing_state, result == 12);
}
{
TEST_START_SCOPE(testing_state, "Convert \"12a3\"");
u64 result = Dqn_StrToU64("12a3");
TEST_EXPECT(testing_state, result == 12);
}
}
}
char *Dqn_ReadFileWithArena(Dqn_MemArena *arena, char const *file, isize *file_size)
{
FILE *file_handle = fopen(file, "rb");
fseek(file_handle, 0, SEEK_END);
usize file_size_ = ftell(file_handle);
rewind(file_handle);
auto *result = (char *)MEM_ARENA_ALLOC(arena, file_size_ + 1);
DQN_ASSERT(result);
result[file_size_] = 0;
if (fread(result, file_size_, 1, file_handle) != 1)
{
fprintf(stderr, "Failed to fread: %zu bytes into buffer from file: %s\n", file_size_, file);
return nullptr;
}
if (file_size) *file_size = file_size_;
return result;
}
char *Dqn_StrFind(char *buf, char const *find, isize buf_len = -1, isize find_len = -1)
{
if (find_len == 0) return nullptr;
if (buf_len < 0) buf_len = (isize)strlen(buf);
if (find_len < 0) find_len = (isize)strlen(find);
char *buf_end = buf + buf_len;
char *result = nullptr;
for (; *buf; ++buf)
{
isize remaining = static_cast<isize>(buf_end - buf);
if (remaining < find_len) break;
if (strncmp(buf, find, find_len) == 0)
{
result = buf;
break;
}
}
return result;
}
char *Dqn_StrSkipWhitespace(char *buf)
{
while (buf && (buf[0] == '\r' || buf[0] == '\t' || buf[0] == '\n' || buf[0] == ' '))
buf++;
return buf;
}
char *ParseFunctionReturnType(char *ptr, isize *len)
{
char *result = ptr;
isize result_len = 0;
for (int scope = 0; ptr; ptr++) // NOTE: Parse the function return type
{
if (ptr[0] == '<' || ptr[0] == '>')
{
if (ptr[0] == '<') scope++;
else scope--;
continue;
}
else if (ptr[0] == ',')
{
if (scope != 0) continue;
result_len = static_cast<int>(ptr - result);
break;
}
}
if (len) *len = result_len;
return result;
}
char *ParseFunctionNameAndParameters(char *ptr, isize *len)
{
char *result = ptr;
int result_len = 0;
for (int scope = 0; ptr; ptr++) // NOTE: Parse the function name and parameters
{
if (ptr[0] == '(') scope++;
else if (ptr[0] == ')')
{
if (scope-- != 0) continue;
result_len = static_cast<int>(ptr - result);
break;
}
}
*len = result_len;
return result;
}
char *ParseFunctionComment(char *ptr, isize *len)
{
while (ptr[0] != '"') ptr++;
ptr++;
char *result = ptr;
isize result_len = 0;
for (;;)
{
while (ptr[0] != '"')
ptr++;
if (ptr[-1] != '\\')
{
result_len = ptr - result;
break;
}
}
*len = result_len;
return result;
}
int main(char *argv[], int argc)
{
(void)argv; (void)argc;
UnitTests();
Dqn_MemArena arena = {};
isize buf_size = 0;
char *buf = Dqn_ReadFileWithArena(&arena, "../Code/Dqn.h", &buf_size);
if (!buf)
return -1;
char constexpr HEADER_COPY_PROTOTYPE[] = "DQN_HEADER_COPY_PROTOTYPE";
char constexpr HEADER_COPY_PROTOTYPE_AND_COMMENT[] = "DQN_HEADER_COPY_PROTOTYPE_AND_COMMENT";
char *ptr = buf;
char *ptr_end = buf + buf_size;
isize ptr_len = buf_size;
for (char *token = Dqn_StrFind(ptr, HEADER_COPY_PROTOTYPE, ptr_len, Dqn_CharCountI(HEADER_COPY_PROTOTYPE));
token;
ptr_len = ptr_end - ptr, token = Dqn_StrFind(ptr, HEADER_COPY_PROTOTYPE, ptr_len))
{
ptr = token;
bool prototype_and_comment = (strncmp(token, HEADER_COPY_PROTOTYPE_AND_COMMENT, Dqn_CharCountI(HEADER_COPY_PROTOTYPE_AND_COMMENT)) == 0);
if (prototype_and_comment)
{
ptr += Dqn_CharCount(HEADER_COPY_PROTOTYPE_AND_COMMENT) + 1 /*macro start parenthesis*/;
isize comment_len = 0;
char *comment = ParseFunctionComment(ptr, &comment_len);
ptr = comment + comment_len;
while (ptr[0] != ',') ptr++;
ptr++;
fprintf(stdout, "%.*s", (int)comment_len, comment);
}
else
{
ptr += Dqn_CharCount(HEADER_COPY_PROTOTYPE) + 1 /*macro start parenthesis*/;
}
isize func_type_len = 0;
char *func_type = ParseFunctionReturnType(ptr, &func_type_len);
ptr = func_type + func_type_len + 1; // Ptr is at macro comma, skip the comma
ptr = Dqn_StrSkipWhitespace(ptr);
isize func_name_len = 0;
char *func_name = ParseFunctionNameAndParameters(ptr, &func_name_len);
ptr = func_name + func_name_len + 1; // Ptr is at macro closing paren, skip the paren
fprintf(stdout, "%.*s %.*s", (int)func_type_len, func_type, (int)func_name_len, func_name);
}
return 0;
}
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