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//
// Unit tests for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2022 by Bill Spitzak and others.
//
// This library is free software. Distribution and use rights are outlined in
// the file "COPYING" which should have been included with this file. If this
// file is missing or damaged, see the license at:
//
// https://www.fltk.org/COPYING.php
//
// Please see the following page on how to report bugs and issues:
//
// https://www.fltk.org/bugs.php
//
// Fltk unit tests
// v0.1 - Greg combines Matthias + Ian's tests
// v0.2 - Ian's 02/12/09 fixes applied
// v0.3 - Fixes to circle desc, augmented extent tests, fixed indents, added show(argc,argv)
// v1.0 - Submit for svn
// v1.1 - Matthias seperated all tests into multiple source files for hopefully easier handling
// NOTE: See README-unittests.txt for how to add new tests.
#include "unittests.h"
#include <FL/Fl.H>
#include <FL/Fl_Double_Window.H>
#include <FL/Fl_Hold_Browser.H>
#include <FL/Fl_Help_View.H>
#include <FL/Fl_Group.H>
#include <FL/Fl_Box.H>
#include <FL/fl_draw.H> // fl_text_extents()
#include <FL/fl_string_functions.h> // fl_strdup()
#include <stdlib.h> // malloc, free
class MainWindow *mainwin = 0;
class Fl_Hold_Browser *browser = 0;
UnitTest::UnitTest(int index, const char *label, Fl_Widget* (*create)()) :
fWidget(0L)
{
fLabel = fl_strdup(label);
fCreate = create;
add(index, this);
}
UnitTest::~UnitTest() {
delete fWidget;
free(fLabel);
}
const char *UnitTest::label() {
return fLabel;
}
void UnitTest::create() {
fWidget = fCreate();
if (fWidget) fWidget->hide();
}
void UnitTest::show() {
if (fWidget) fWidget->show();
}
void UnitTest::hide() {
if (fWidget) fWidget->hide();
}
void UnitTest::add(int index, UnitTest *t) {
fTest[index] = t;
if (index>=nTest)
nTest = index+1;
}
int UnitTest::nTest = 0;
UnitTest *UnitTest::fTest[200] = { 0 };
MainWindow::MainWindow(int w, int h, const char *l) :
Fl_Double_Window(w, h, l),
fTestAlignment(0)
{ }
void MainWindow::drawAlignmentIndicators() {
const int sze = 16;
// top left corner
fl_color(FL_GREEN); fl_yxline(0, sze, 0, sze);
fl_color(FL_RED); fl_yxline(-1, sze, -1, sze);
fl_color(FL_WHITE); fl_rectf(3, 3, sze-2, sze-2);
fl_color(FL_BLACK); fl_rect(3, 3, sze-2, sze-2);
// bottom left corner
fl_color(FL_GREEN); fl_yxline(0, h()-sze-1, h()-1, sze);
fl_color(FL_RED); fl_yxline(-1, h()-sze-1, h(), sze);
fl_color(FL_WHITE); fl_rectf(3, h()-sze-1, sze-2, sze-2);
fl_color(FL_BLACK); fl_rect(3, h()-sze-1, sze-2, sze-2);
// bottom right corner
fl_color(FL_GREEN); fl_yxline(w()-1, h()-sze-1, h()-1, w()-sze-1);
fl_color(FL_RED); fl_yxline(w(), h()-sze-1, h(), w()-sze-1);
fl_color(FL_WHITE); fl_rectf(w()-sze-1, h()-sze-1, sze-2, sze-2);
fl_color(FL_BLACK); fl_rect(w()-sze-1, h()-sze-1, sze-2, sze-2);
// top right corner
fl_color(FL_GREEN); fl_yxline(w()-1, sze, 0, w()-sze-1);
fl_color(FL_RED); fl_yxline(w(), sze, -1, w()-sze-1);
fl_color(FL_WHITE); fl_rectf(w()-sze-1, 3, sze-2, sze-2);
fl_color(FL_BLACK); fl_rect(w()-sze-1, 3, sze-2, sze-2);
}
void MainWindow::draw() {
Fl_Double_Window::draw();
if (fTestAlignment) {
drawAlignmentIndicators();
}
}
void MainWindow::testAlignment(int v) {
fTestAlignment = v;
redraw();
}
//------- include the various unit tests as inline code -------
// callback whenever the browser value changes
void Browser_CB(Fl_Widget*, void*) {
for ( int t=1; t<=browser->size(); t++ ) {
UnitTest *ti = (UnitTest*)browser->data(t);
if ( browser->selected(t) ) {
ti->show();
} else {
ti->hide();
}
}
}
// This is the main call. It creates the window and adds all previously
// registered tests to the browser widget.
int main(int argc, char **argv) {
Fl::args(argc,argv);
Fl::get_system_colors();
Fl::scheme(Fl::scheme()); // init scheme before instantiating tests
Fl::visual(FL_RGB);
Fl::use_high_res_GL(1);
mainwin = new MainWindow(MAINWIN_W, MAINWIN_H, "FLTK Unit Tests");
mainwin->size_range(MAINWIN_W, MAINWIN_H);
browser = new Fl_Hold_Browser(BROWSER_X, BROWSER_Y, BROWSER_W, BROWSER_H, "Unit Tests");
browser->align(FL_ALIGN_TOP|FL_ALIGN_LEFT);
browser->when(FL_WHEN_CHANGED);
browser->callback(Browser_CB);
int i, n = UnitTest::numTest();
for (i=0; i<n; i++) {
UnitTest *t = UnitTest::test(i);
if (t) {
mainwin->begin();
t->create();
mainwin->end();
browser->add(t->label(), (void*)t);
}
}
mainwin->resizable(mainwin);
mainwin->show(argc,argv);
// Select first test in browser, and show that test.
browser->select(kTestAbout+1);
Browser_CB(browser,0);
return(Fl::run());
}
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