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#include <string.h>
#include <lua.h>
#include <lauxlib.h>
#include <honeysuckle.h>
#include "test/honey-test.h"
int mock_glfwInit_(void);
int mock_hs_throw_error_(lua_State *L, const char *str, ...);
void mock_glfwTerminate_();
void mock_glBufferData_(int, size_t, const void *, int);
#define DUMMY_FUNCTION(...)
#define glfwInit mock_glfwInit_
#define hs_throw_error mock_hs_throw_error_
#define glfwTerminate mock_glfwTerminate_
#define setup_shader DUMMY_FUNCTION
#define setup_drawing DUMMY_FUNCTION
#define setup_texture DUMMY_FUNCTION
#include "gl/gl.c"
#include "gl/data.c"
#undef glBufferData
#undef glfwTerminate
#undef hs_throw_error
#undef glfwInit
lily_mock_t *mock_glfwInit = NULL;
int mock_glfwInit_()
{
struct lily_mock_arg_t args[] = {};
lily_mock_store_call(mock_glfwInit, args);
int result;
lily_get_value(mock_glfwInit, int, &result);
return result;
}
lily_mock_t *mock_hs_throw_error = NULL;
int mock_hs_throw_error_(lua_State *L, const char *str, ...)
{
struct lily_mock_arg_t args[] = {
{ sizeof(const char *), &str }
};
lily_mock_store_call(mock_hs_throw_error, args);
lua_pushstring(L, "some error");
lua_error(L);
return 0;
}
lily_mock_t *mock_glfwTerminate = NULL;
void mock_glfwTerminate_()
{
struct lily_mock_arg_t args[] = {};
lily_mock_store_call(mock_glfwTerminate, args);
}
lily_mock_t *mock_glBufferData = NULL;
void mock_glBufferData_(int target, size_t size, const void *data, int usage)
{
struct lily_mock_arg_t args[] = {
{ sizeof(int), &target },
{ sizeof(size_t), &size },
{ sizeof(int), &usage }
};
lily_mock_store_call(mock_glBufferData, args);
int use_ints; lily_get_value(mock_glBufferData, int, &use_ints);
if (use_ints) {
size_t count = size/sizeof(int);
int *numbers = data;
for (int i=0; i<count; i++) {
lily_store_value(mock_glBufferData, int, numbers[i]);
}
}
else {
size_t count = size/sizeof(float);
float *numbers = data;
for (int i=0; i<count; i++) {
lily_store_value(mock_glBufferData, float, numbers[i]);
}
}
}
/* ~~~~~~~~ suite ~~~~~~~~ */
void gl_init_succeeds()
{
lily_mock_use(&mock_glfwInit);
lily_mock_use(&mock_hs_throw_error);
lua_State *L = luaL_newstate();
lily_store_value(mock_glfwInit, int, 1);
lua_pushcfunction(L, gl_init);
int err = lua_pcall(L, 0, 0, 0);
lua_close(L);
lily_assert_int_equal(err, 0);
lily_assert_int_equal(mock_glfwInit->n_calls, 1);
lily_assert_int_equal(mock_hs_throw_error->n_calls, 0);
}
void gl_init_fails()
{
lily_mock_use(&mock_glfwInit);
lily_mock_use(&mock_hs_throw_error);
lua_State *L = luaL_newstate();
lily_store_value(mock_glfwInit, int, 0);
lua_pushcfunction(L, gl_init);
int err = lua_pcall(L, 0, 0, 0);
lua_close(L);
lily_assert_int_equal(err, LUA_ERRRUN);
lily_assert_int_equal(mock_hs_throw_error->n_calls, 1);
}
void gl_terminate_works()
{
lily_mock_use(&mock_glfwTerminate);
lua_State *L = luaL_newstate();
lua_pushcfunction(L, gl_terminate);
int err = lua_pcall(L, 0, 0, 0);
lua_close(L);
lily_assert_int_equal(err, 0);
lily_assert_int_equal(mock_glfwTerminate->n_calls, 1);
}
void gl_buffer_float_works()
{
lily_mock_use(&mock_hs_throw_error);
lily_mock_use(&mock_glBufferData);
lily_store_value(mock_glBufferData, int, 0); // use floats
lua_State *L = luaL_newstate();
lua_pushcfunction(L, gl_buffer_data);
lua_pushinteger(L, GL_ARRAY_BUFFER);
lua_pushinteger(L, GL_FLOAT);
hs_create_table(L,
hs_int_num(1, 22),
hs_int_num(2, 33),
hs_int_num(3, 44),
);
lua_pushinteger(L, GL_STATIC_DRAW);
int err = hs_call(L, 4, 0);
lua_close(L);
lily_assert_int_equal(err, 0);
lily_assert_int_equal(mock_glBufferData->n_calls, 1);
int target; size_t size; int usage;
struct lily_mock_arg_t args[] = {
{ sizeof(int), &target },
{ sizeof(size_t), &size },
{ sizeof(int), &usage }
};
lily_mock_get_call(mock_glBufferData, args, 0);
lily_assert_int_equal(target, GL_ARRAY_BUFFER);
lily_assert_int_equal(size, 3*sizeof(float));
lily_assert_int_equal(usage, GL_STATIC_DRAW);
float n;
lily_get_value(mock_glBufferData, float, &n);
lily_assert_float_equal(n, 22, 0.1);
lily_get_value(mock_glBufferData, float, &n);
lily_assert_float_equal(n, 33, 0.1);
lily_get_value(mock_glBufferData, float, &n);
lily_assert_float_equal(n, 44, 0.1);
}
void gl_buffer_int_works()
{
lily_mock_use(&mock_hs_throw_error);
lily_mock_use(&mock_glBufferData);
lily_store_value(mock_glBufferData, int, 1); // use ints
lua_State *L = luaL_newstate();
lua_pushcfunction(L, gl_buffer_data);
lua_pushinteger(L, GL_ARRAY_BUFFER);
lua_pushinteger(L, GL_INT);
hs_create_table(L,
hs_int_num(1, 22),
hs_int_num(2, 33),
hs_int_num(3, 44),
);
lua_pushinteger(L, GL_STATIC_DRAW);
int err = hs_call(L, 4, 0);
lua_close(L);
lily_assert_int_equal(err, 0);
lily_assert_int_equal(mock_glBufferData->n_calls, 1);
int target; size_t size; int usage;
struct lily_mock_arg_t args[] = {
{ sizeof(int), &target },
{ sizeof(size_t), &size },
{ sizeof(int), &usage }
};
lily_mock_get_call(mock_glBufferData, args, 0);
lily_assert_int_equal(target, GL_ARRAY_BUFFER);
lily_assert_int_equal(size, 3*sizeof(float));
lily_assert_int_equal(usage, GL_STATIC_DRAW);
int n;
lily_get_value(mock_glBufferData, int, &n);
lily_assert_int_equal(n, 22);
lily_get_value(mock_glBufferData, int, &n);
lily_assert_int_equal(n, 33);
lily_get_value(mock_glBufferData, int, &n);
lily_assert_int_equal(n, 44);
}
void suite_gl()
{
lily_run_test(gl_init_succeeds);
lily_run_test(gl_init_fails);
lily_run_test(gl_terminate_works);
lily_run_test(gl_buffer_float_works);
lily_run_test(gl_buffer_int_works);
lily_mock_destroy(mock_glfwInit);
lily_mock_destroy(mock_hs_throw_error);
lily_mock_destroy(mock_glfwTerminate);
lily_mock_destroy(mock_glBufferData);
}
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