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/*
* caca-test testsuite program for libcaca
* Copyright (c) 2009 Sam Hocevar <sam@hocevar.net>
* All Rights Reserved
*
* This program is free software. It comes without any warranty, to
* the extent permitted by applicable law. You can redistribute it
* and/or modify it under the terms of the Do What The Fuck You Want
* To Public License, Version 2, as published by Sam Hocevar. See
* http://sam.zoy.org/wtfpl/COPYING for more details.
*/
#include "config.h"
#include <cppunit/extensions/HelperMacros.h>
#include <cppunit/TestCaller.h>
#include <cppunit/TestCase.h>
#include <cppunit/TestSuite.h>
#include "caca.h"
class DirtyTest : public CppUnit::TestCase
{
CPPUNIT_TEST_SUITE(DirtyTest);
CPPUNIT_TEST(test_create);
CPPUNIT_TEST(test_put_char_dirty);
CPPUNIT_TEST(test_put_char_not_dirty);
CPPUNIT_TEST(test_simplify);
CPPUNIT_TEST(test_box);
CPPUNIT_TEST(test_blit);
CPPUNIT_TEST_SUITE_END();
public:
DirtyTest() : CppUnit::TestCase("Dirty Rectangles Test") {}
void setUp() {}
void tearDown() {}
void test_create()
{
caca_canvas_t *cv;
int dx, dy, dw, dh;
/* Check that we only have one dirty rectangle upon creation. */
cv = caca_create_canvas(WIDTH, HEIGHT);
CPPUNIT_ASSERT_EQUAL(1, caca_get_dirty_rect_count(cv));
/* Check that our only rectangle contains the whole canvas. */
caca_get_dirty_rect(cv, 0, &dx, &dy, &dw, &dh);
CPPUNIT_ASSERT_EQUAL(0, dx);
CPPUNIT_ASSERT_EQUAL(0, dy);
CPPUNIT_ASSERT_EQUAL(WIDTH, dw);
CPPUNIT_ASSERT_EQUAL(HEIGHT, dh);
/* Invalidate the dirty rectangle and check that it stays so. */
caca_clear_dirty_rect_list(cv);
CPPUNIT_ASSERT_EQUAL(0, caca_get_dirty_rect_count(cv));
caca_free_canvas(cv);
}
void test_put_char_dirty()
{
caca_canvas_t *cv;
int dx, dy, dw, dh;
cv = caca_create_canvas(WIDTH, HEIGHT);
/* Check that one character creates a 1x1 dirty rect. */
caca_clear_dirty_rect_list(cv);
caca_put_char(cv, 7, 3, 'x');
CPPUNIT_ASSERT_EQUAL(1, caca_get_dirty_rect_count(cv));
caca_get_dirty_rect(cv, 0, &dx, &dy, &dw, &dh);
CPPUNIT_ASSERT_EQUAL(7, dx);
CPPUNIT_ASSERT_EQUAL(3, dy);
CPPUNIT_ASSERT_EQUAL(1, dw);
CPPUNIT_ASSERT_EQUAL(1, dh);
/* Check that a fullwidth character creates a 2x1 dirty rect. */
caca_clear_canvas(cv);
caca_clear_dirty_rect_list(cv);
caca_put_char(cv, 7, 3, 0x2f06 /* ⼆ */);
CPPUNIT_ASSERT_EQUAL(1, caca_get_dirty_rect_count(cv));
caca_get_dirty_rect(cv, 0, &dx, &dy, &dw, &dh);
CPPUNIT_ASSERT_EQUAL(7, dx);
CPPUNIT_ASSERT_EQUAL(3, dy);
CPPUNIT_ASSERT_EQUAL(2, dw);
CPPUNIT_ASSERT_EQUAL(1, dh);
/* Check that a character over a fullwidth character creates a
* 2x1 dirty rect because of clobbering on the left side. */
caca_clear_canvas(cv);
caca_put_char(cv, 7, 3, 0x2f06 /* ⼆ */);
caca_clear_dirty_rect_list(cv);
caca_put_char(cv, 7, 3, 'x');
CPPUNIT_ASSERT_EQUAL(1, caca_get_dirty_rect_count(cv));
caca_get_dirty_rect(cv, 0, &dx, &dy, &dw, &dh);
CPPUNIT_ASSERT_EQUAL(7, dx);
CPPUNIT_ASSERT_EQUAL(3, dy);
CPPUNIT_ASSERT_EQUAL(2, dw);
CPPUNIT_ASSERT_EQUAL(1, dh);
/* Check that a character over a fullwidth character creates a
* 2x1 dirty rect because of clobbering on the right side. */
caca_clear_canvas(cv);
caca_put_char(cv, 7, 3, 0x2f06 /* ⼆ */);
caca_clear_dirty_rect_list(cv);
caca_put_char(cv, 8, 3, 'x');
CPPUNIT_ASSERT_EQUAL(1, caca_get_dirty_rect_count(cv));
caca_get_dirty_rect(cv, 0, &dx, &dy, &dw, &dh);
CPPUNIT_ASSERT_EQUAL(7, dx);
CPPUNIT_ASSERT_EQUAL(3, dy);
CPPUNIT_ASSERT_EQUAL(2, dw);
CPPUNIT_ASSERT_EQUAL(1, dh);
/* Check that a fullwidth character over a fullwidth character creates
* a 3x1 dirty rect because of clobbering on the left side. */
caca_clear_canvas(cv);
caca_put_char(cv, 7, 3, 0x2f06 /* ⼆ */);
caca_clear_dirty_rect_list(cv);
caca_put_char(cv, 6, 3, 0x2f06 /* ⼆ */);
CPPUNIT_ASSERT_EQUAL(1, caca_get_dirty_rect_count(cv));
caca_get_dirty_rect(cv, 0, &dx, &dy, &dw, &dh);
CPPUNIT_ASSERT_EQUAL(6, dx);
CPPUNIT_ASSERT_EQUAL(3, dy);
CPPUNIT_ASSERT_EQUAL(3, dw);
CPPUNIT_ASSERT_EQUAL(1, dh);
/* Check that a fullwidth character over a fullwidth character creates
* a 3x1 dirty rect because of clobbering on the right side. */
caca_clear_canvas(cv);
caca_put_char(cv, 7, 3, 0x2f06 /* ⼆ */);
caca_clear_dirty_rect_list(cv);
caca_put_char(cv, 8, 3, 0x2f06 /* ⼆ */);
CPPUNIT_ASSERT_EQUAL(1, caca_get_dirty_rect_count(cv));
caca_get_dirty_rect(cv, 0, &dx, &dy, &dw, &dh);
CPPUNIT_ASSERT_EQUAL(7, dx);
CPPUNIT_ASSERT_EQUAL(3, dy);
CPPUNIT_ASSERT_EQUAL(3, dw);
CPPUNIT_ASSERT_EQUAL(1, dh);
}
void test_put_char_not_dirty()
{
caca_canvas_t *cv;
cv = caca_create_canvas(WIDTH, HEIGHT);
/* Check that pasting the same character does not cause a dirty
* rectangle to be created. */
caca_put_char(cv, 7, 3, 'x');
caca_clear_dirty_rect_list(cv);
caca_put_char(cv, 7, 3, 'x');
CPPUNIT_ASSERT_EQUAL(0, caca_get_dirty_rect_count(cv));
/* Check that pasting the same fullwidth character does not cause
* a dirty rectangle to be created. */
caca_clear_canvas(cv);
caca_put_char(cv, 7, 3, 0x2f06 /* ⼆ */);
caca_clear_dirty_rect_list(cv);
caca_put_char(cv, 7, 3, 0x2f06 /* ⼆ */);
CPPUNIT_ASSERT_EQUAL(0, caca_get_dirty_rect_count(cv));
}
void test_simplify()
{
caca_canvas_t *cv;
int dx, dy, dw, dh;
cv = caca_create_canvas(WIDTH, HEIGHT);
/* Check that N adjacent blits only create one dirty rectangle */
caca_clear_dirty_rect_list(cv);
for(int i = 0; i < 10; i++)
{
caca_put_char(cv, 7 + i, 3, '-');
CPPUNIT_ASSERT_EQUAL(1, caca_get_dirty_rect_count(cv));
caca_get_dirty_rect(cv, 0, &dx, &dy, &dw, &dh);
CPPUNIT_ASSERT_EQUAL(7, dx);
CPPUNIT_ASSERT_EQUAL(3, dy);
CPPUNIT_ASSERT_EQUAL(1 + i, dw);
CPPUNIT_ASSERT_EQUAL(1, dh);
}
/* Check that N adjacent blits only create one dirty rectangle */
caca_clear_dirty_rect_list(cv);
for(int j = 0; j < 10; j++)
{
caca_put_char(cv, 7, 3 + j, '|');
CPPUNIT_ASSERT_EQUAL(1, caca_get_dirty_rect_count(cv));
caca_get_dirty_rect(cv, 0, &dx, &dy, &dw, &dh);
CPPUNIT_ASSERT_EQUAL(7, dx);
CPPUNIT_ASSERT_EQUAL(3, dy);
CPPUNIT_ASSERT_EQUAL(1, dw);
CPPUNIT_ASSERT_EQUAL(1 + j, dh);
}
}
void test_box()
{
caca_canvas_t *cv;
int dx, dy, dw, dh;
cv = caca_create_canvas(WIDTH, HEIGHT);
caca_clear_dirty_rect_list(cv);
/* Check that a filled box creates one dirty rectangle of the same
* size. */
caca_fill_box(cv, 7, 3, 14, 9, 'x');
CPPUNIT_ASSERT_EQUAL(1, caca_get_dirty_rect_count(cv));
caca_get_dirty_rect(cv, 0, &dx, &dy, &dw, &dh);
CPPUNIT_ASSERT_EQUAL(7, dx);
CPPUNIT_ASSERT_EQUAL(3, dy);
CPPUNIT_ASSERT_EQUAL(14, dw);
CPPUNIT_ASSERT_EQUAL(9, dh);
/* Check that the same filled box does not create a new dirty
* rectangle. */
caca_clear_dirty_rect_list(cv);
caca_fill_box(cv, 7, 3, 14, 9, 'x');
CPPUNIT_ASSERT_EQUAL(0, caca_get_dirty_rect_count(cv));
}
void test_blit()
{
caca_canvas_t *cv, *cv2;
int i, dx, dy, dw, dh;
cv = caca_create_canvas(WIDTH, HEIGHT);
caca_clear_dirty_rect_list(cv);
cv2 = caca_create_canvas(2, 2);
caca_fill_box(cv2, 0, 0, 2, 1, 'x');
/* Check that blitting a canvas make a dirty rectangle
* only for modified lines */
/* FIXME: check this test's validity */
caca_blit(cv, 1, 1, cv2, NULL);
i = caca_get_dirty_rect_count(cv);
CPPUNIT_ASSERT_EQUAL(1, i);
caca_get_dirty_rect(cv, 0, &dx, &dy, &dw, &dh);
CPPUNIT_ASSERT(1 == dx);
CPPUNIT_ASSERT(1 == dy);
CPPUNIT_ASSERT(2 <= dw);
CPPUNIT_ASSERT(1 == dh);
caca_clear_canvas(cv);
caca_clear_dirty_rect_list(cv);
/* Check that blitting a canvas make a dirty rectangle
* only for modified chars when we have a mask */
/* FIXME: check this test's validity */
caca_blit(cv, 1, 1, cv2, cv2);
i = caca_get_dirty_rect_count(cv);
CPPUNIT_ASSERT_EQUAL(1, i);
caca_get_dirty_rect(cv, 0, &dx, &dy, &dw, &dh);
CPPUNIT_ASSERT(1 == dx);
CPPUNIT_ASSERT(1 == dy);
CPPUNIT_ASSERT(2 == dw);
CPPUNIT_ASSERT(1 == dh);
CPPUNIT_ASSERT(' ' == caca_get_char(cv, 0, 0));
}
private:
static int const WIDTH, HEIGHT;
};
int const DirtyTest::WIDTH = 80;
int const DirtyTest::HEIGHT = 50;
CPPUNIT_TEST_SUITE_REGISTRATION(DirtyTest);
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