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Tests for bitfont and screen
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tests/vm_bitfont.c
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61
tests/vm_bitfont.c
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@ -0,0 +1,61 @@
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/*
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* vm_bitfont.c
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*/
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#include <criterion/criterion.h>
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#include "vm_bitfont.h"
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static vm_bitfont *font;
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static void
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setup()
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{
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vm_screen *screen;
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screen = vm_screen_create();
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font = vm_bitfont_create(screen, "apple2-system", 7, 8, 0x7F);
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}
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static void
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teardown()
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{
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vm_bitfont_free(font);
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}
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TestSuite(vm_bitfont, .init = setup, .fini = teardown);
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Test(vm_bitfont, create)
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{
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cr_assert_neq(font, NULL);
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cr_assert_eq(font->width, 7);
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cr_assert_eq(font->height, 8);
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cr_assert_eq(font->cmask, 0x7F);
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// This should be NULL because we have no screen
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cr_assert_eq(font->texture, NULL);
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}
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Test(vm_bitfont, offset)
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{
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char ch = 'p';
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int x = 0;
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int y = 0;
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vm_bitfont_offset(font, ch, &x, &y);
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cr_assert_eq(x, (ch & 0x0f) * font->width);
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cr_assert_eq(y, (ch >> 4) * font->height);
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}
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/*
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* A note: I omitted a test for vm_bitfont_render(), as this function is
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* a) reliant on vm_bitfont_offset for the right glyph to render, and b)
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* is otherwise reliant on our graphics library to properly render the
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* character. As we run our tests in a headless mode, we are unable to
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* automate that specific kind of test.
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*/
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Test(vm_bitfont, render)
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{
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}
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@ -1,11 +1,34 @@
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/*
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* vm_screen.c
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*
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* Generally speaking the tests here are very incomplete; this is partly
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* because a lot of the code in vm_screen depends on a third-party
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* graphics library, but I think we can do a better job of decoupling
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* some concepts (like screen areas) from the graphics library, such
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* that we can make the code that uses those testable.
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*/
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#include <criterion/criterion.h>
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#include "vm_screen.h"
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Test(vm_screen, create) {
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vm_screen *screen;
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static vm_screen *screen;
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static void
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setup()
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{
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screen = vm_screen_create();
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}
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static void
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teardown()
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{
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vm_screen_free(screen);
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}
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TestSuite(vm_screen, .init = setup, .fini = teardown);
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Test(vm_screen, create) {
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cr_assert_neq(screen, NULL);
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cr_assert_eq(screen->window, NULL);
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@ -16,6 +39,20 @@ Test(vm_screen, create) {
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cr_assert_eq(screen->rect.h, 0);
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cr_assert_eq(screen->xcoords, 0);
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cr_assert_eq(screen->ycoords, 0);
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vm_screen_free(screen);
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}
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Test(vm_screen, xcoords)
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{
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screen->xcoords = 123;
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cr_assert_eq(screen->xcoords, 123);
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screen->xcoords = 234;
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cr_assert_eq(screen->xcoords, 234);
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}
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Test(vm_screen, ycoords)
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{
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screen->ycoords = 123;
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cr_assert_eq(screen->ycoords, 123);
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screen->ycoords = 234;
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cr_assert_eq(screen->ycoords, 234);
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}
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