1 //
2 // "$Id: unittests.cxx 7903 2010-11-28 21:06:39Z matt $"
3 //
4 // Unit tests for the Fast Light Tool Kit (FLTK).
5 //
6 // Copyright 1998-2010 by Bill Spitzak and others.
7 //
8 // This library is free software; you can redistribute it and/or
9 // modify it under the terms of the GNU Library General Public
10 // License as published by the Free Software Foundation; either
11 // version 2 of the License, or (at your option) any later version.
12 //
13 // This library is distributed in the hope that it will be useful,
14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 // Library General Public License for more details.
17 //
18 // You should have received a copy of the GNU Library General Public
19 // License along with this library; if not, write to the Free Software
20 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
21 // USA.
22 //
23 // Please report all bugs and problems on the following page:
24 //
25 // http://www.fltk.org/str.php
26 //
27 // Fltk unit tests
28 // v0.1 - Greg combines Matthias + Ian's tests
29 // v0.2 - Ian's 02/12/09 fixes applied
30 // v0.3 - Fixes to circle desc, augmented extent tests, fixed indents, added show(argc,argv)
31 // v1.0 - Submit for svn
32 // v1.1 - Matthias seperated all tests into multiple source files for hopefully easier handling
33
34 #include <FL/Fl.H>
35 #include <FL/Fl_Double_Window.H>
36 #include <FL/Fl_Hold_Browser.H>
37 #include <FL/Fl_Help_View.H>
38 #include <FL/Fl_Group.H>
39 #include <FL/Fl_Box.H>
40 #include <FL/fl_draw.H> // fl_text_extents()
41
42 // WINDOW/WIDGET SIZES
43 #define MAINWIN_W 700 // main window w()
44 #define MAINWIN_H 400 // main window h()
45 #define BROWSER_X 10 // browser x()
46 #define BROWSER_Y 25 // browser y()
47 #define BROWSER_W 150 // browser w()
48 #define BROWSER_H MAINWIN_H-35 // browser h()
49 #define TESTAREA_X (BROWSER_W + 20) // test area x()
50 #define TESTAREA_Y 25 // test area y()
51 #define TESTAREA_W (MAINWIN_W - BROWSER_W - 30) // test area w()
52 #define TESTAREA_H BROWSER_H // test area h()
53
54 typedef void (*UnitTestCallback)(const char*,Fl_Group*);
55
56 class MainWindow *mainwin = 0;
57 Fl_Hold_Browser *browser = 0;
58
59 // This class helps to automagically register a new test with the unittest app.
60 // Please see the examples on how this is used.
61 class UnitTest {
62 public:
UnitTest(const char * label,Fl_Widget * (* create)())63 UnitTest(const char *label, Fl_Widget* (*create)()) :
64 fWidget(0L)
65 {
66 fLabel = strdup(label);
67 fCreate = create;
68 add(this);
69 }
~UnitTest()70 ~UnitTest() {
71 delete fWidget;
72 free(fLabel);
73 }
label()74 const char *label() {
75 return fLabel;
76 }
create()77 void create() {
78 fWidget = fCreate();
79 if (fWidget) fWidget->hide();
80 }
show()81 void show() {
82 if (fWidget) fWidget->show();
83 }
hide()84 void hide() {
85 if (fWidget) fWidget->hide();
86 }
numTest()87 static int numTest() { return nTest; }
test(int i)88 static UnitTest *test(int i) { return fTest[i]; }
89 private:
90 char *fLabel;
91 Fl_Widget *(*fCreate)();
92 Fl_Widget *fWidget;
93
add(UnitTest * t)94 static void add(UnitTest *t) {
95 fTest[nTest] = t;
96 nTest++;
97 }
98 static int nTest;
99 static UnitTest *fTest[200];
100 };
101
102 int UnitTest::nTest = 0;
103 UnitTest *UnitTest::fTest[];
104
105
106 // The main window needs an additional drawing feature in order to support
107 // the viewport alignment test.
108 class MainWindow : public Fl_Double_Window {
109 public:
MainWindow(int w,int h,const char * l=0L)110 MainWindow(int w, int h, const char *l=0L) :
111 Fl_Double_Window(w, h, l),
112 fTestAlignment(0)
113 { }
114 // this code is used by the viewport alignment test
drawAlignmentIndicators()115 void drawAlignmentIndicators() {
116 const int sze = 16;
117 // top left corner
118 fl_color(FL_GREEN); fl_yxline(0, sze, 0, sze);
119 fl_color(FL_RED); fl_yxline(-1, sze, -1, sze);
120 fl_color(FL_WHITE); fl_rectf(3, 3, sze-2, sze-2);
121 fl_color(FL_BLACK); fl_rect(3, 3, sze-2, sze-2);
122 // bottom left corner
123 fl_color(FL_GREEN); fl_yxline(0, h()-sze-1, h()-1, sze);
124 fl_color(FL_RED); fl_yxline(-1, h()-sze-1, h(), sze);
125 fl_color(FL_WHITE); fl_rectf(3, h()-sze-1, sze-2, sze-2);
126 fl_color(FL_BLACK); fl_rect(3, h()-sze-1, sze-2, sze-2);
127 // bottom right corner
128 fl_color(FL_GREEN); fl_yxline(w()-1, h()-sze-1, h()-1, w()-sze-1);
129 fl_color(FL_RED); fl_yxline(w(), h()-sze-1, h(), w()-sze-1);
130 fl_color(FL_WHITE); fl_rectf(w()-sze-1, h()-sze-1, sze-2, sze-2);
131 fl_color(FL_BLACK); fl_rect(w()-sze-1, h()-sze-1, sze-2, sze-2);
132 // top right corner
133 fl_color(FL_GREEN); fl_yxline(w()-1, sze, 0, w()-sze-1);
134 fl_color(FL_RED); fl_yxline(w(), sze, -1, w()-sze-1);
135 fl_color(FL_WHITE); fl_rectf(w()-sze-1, 3, sze-2, sze-2);
136 fl_color(FL_BLACK); fl_rect(w()-sze-1, 3, sze-2, sze-2);
137 }
draw()138 void draw() {
139 Fl_Double_Window::draw();
140 if (fTestAlignment) {
141 drawAlignmentIndicators();
142 }
143 }
testAlignment(int v)144 void testAlignment(int v) {
145 fTestAlignment = v;
146 redraw();
147 }
148 int fTestAlignment;
149 };
150
151 //------- include the various unit tests as inline code -------
152
153 #include "unittest_about.cxx"
154 #include "unittest_points.cxx"
155 #include "unittest_lines.cxx"
156 #include "unittest_rects.cxx"
157 #include "unittest_circles.cxx"
158 #include "unittest_text.cxx"
159 #include "unittest_images.cxx"
160 #include "unittest_viewport.cxx"
161 #include "unittest_scrollbarsize.cxx"
162
163
164 // callback whenever the browser value changes
Browser_CB(Fl_Widget *,void *)165 void Browser_CB(Fl_Widget*, void*) {
166 for ( int t=1; t<=browser->size(); t++ ) {
167 UnitTest *ti = (UnitTest*)browser->data(t);
168 if ( browser->selected(t) ) {
169 ti->show();
170 } else {
171 ti->hide();
172 }
173 }
174 }
175
176
177 // this is the main call. It creates the window and adds all previously
178 // registered tests to the browser widget.
main(int argc,char ** argv)179 int main(int argc, char **argv) {
180 Fl::args(argc,argv);
181 Fl::visual(FL_RGB);
182 mainwin = new MainWindow(MAINWIN_W, MAINWIN_H, "Fltk Unit Tests");
183 browser = new Fl_Hold_Browser(BROWSER_X, BROWSER_Y, BROWSER_W, BROWSER_H, "Unit Tests");
184 browser->align(FL_ALIGN_TOP|FL_ALIGN_LEFT);
185 browser->when(FL_WHEN_CHANGED);
186 browser->callback(Browser_CB);
187
188 int i, n = UnitTest::numTest();
189 for (i=0; i<n; i++) {
190 UnitTest *t = UnitTest::test(i);
191 mainwin->begin();
192 t->create();
193 mainwin->end();
194 browser->add(t->label(), (void*)t);
195 }
196
197 /////
198 mainwin->resizable(mainwin);
199 mainwin->show(argc,argv);
200 // Select first test in browser, and show that test.
201 browser->select(1);
202 Browser_CB(browser,0);
203 return(Fl::run());
204 }
205
206 //
207 // End of "$Id: unittests.cxx 7903 2010-11-28 21:06:39Z matt $".
208 //
209