1 /*
2  * PROJECT:     ReactOS api tests
3  * LICENSE:     GPL-2.0+ (https://spdx.org/licenses/GPL-2.0+)
4  * PURPOSE:     Test for GetTextMetrics and GetTextExtentPoint32
5  * COPYRIGHT:   Copyright 2018 Katayama Hirofumi MZ (katayama.hirofumi.mz@gmail.com)
6  */
7 
8 #include "precomp.h"
9 
10 /* #define EMIT_TESTCASES */
11 
12 typedef struct TEST_ENTRY
13 {
14     int line;
15     LONG lfHeight;
16     LONG lfWidth;
17     LONG cxText;
18     LONG cyText;
19     LONG tmHeight;
20     LONG tmAscent;
21     LONG tmDescent;
22     LONG tmInternalLeading;
23     LONG tmExternalLeading;
24 } TEST_ENTRY;
25 
26 #ifdef EMIT_TESTCASES
27 static const TEST_ENTRY g_test_entries[] =
28 {
29     { __LINE__, 400, 0 },
30     { __LINE__, 300, 0 },
31     { __LINE__, 200, 0 },
32     { __LINE__, 100, 0 },
33     { __LINE__, 64, 0 },
34     { __LINE__, 32, 0 },
35     { __LINE__, 16, 0 },
36     { __LINE__, 15, 0 },
37     { __LINE__, 14, 0 },
38     { __LINE__, 13, 0 },
39     { __LINE__, 12, 0 },
40     { __LINE__, 11, 0 },
41     { __LINE__, 10, 0 },
42     { __LINE__, 9, 0 },
43     { __LINE__, 8, 0 },
44     { __LINE__, 7, 0 },
45     { __LINE__, 6, 0 },
46     { __LINE__, 5, 0 },
47     { __LINE__, 4, 0 },
48     { __LINE__, 3, 0 },
49     { __LINE__, 2, 0 },
50     { __LINE__, 1, 0 },
51     { __LINE__, 0, 0 },
52     { __LINE__, -1, 0 },
53     { __LINE__, -2, 0 },
54     { __LINE__, -3, 0 },
55     { __LINE__, -4, 0 },
56     { __LINE__, -5, 0 },
57     { __LINE__, -6, 0 },
58     { __LINE__, -7, 0 },
59     { __LINE__, -8, 0 },
60     { __LINE__, -9, 0 },
61     { __LINE__, -10, 0 },
62     { __LINE__, -11, 0 },
63     { __LINE__, -12, 0 },
64     { __LINE__, -13, 0 },
65     { __LINE__, -14, 0 },
66     { __LINE__, -15, 0 },
67     { __LINE__, -16, 0 },
68     { __LINE__, -32, 0 },
69     { __LINE__, -64, 0 },
70     { __LINE__, -100, 0 },
71     { __LINE__, -200, 0 },
72     { __LINE__, -300, 0 },
73     { __LINE__, -400, 0 },
74 };
75 #define g_test_entry_count _countof(g_test_entries)
76 #else
77 static const TEST_ENTRY g_MSGOTHIC[] =
78 {
79     { __LINE__, 400, 0, 3000, 400, 400, 344, 56, 0, 0 },
80     { __LINE__, 300, 0, 2250, 300, 300, 258, 42, 0, 0 },
81     { __LINE__, 200, 0, 1500, 200, 200, 172, 28, 0, 0 },
82     { __LINE__, 100, 0, 750, 100, 100, 86, 14, 0, 0 },
83     { __LINE__, 64, 0, 480, 64, 64, 55, 9, 0, 0 },
84     { __LINE__, 32, 0, 240, 33, 33, 28, 5, 1, 0 },
85     { __LINE__, 16, 0, 120, 16, 16, 14, 2, 0, 0 },
86     { __LINE__, 15, 0, 120, 15, 15, 13, 2, 0, 0 },
87     { __LINE__, 14, 0, 105, 14, 14, 12, 2, 0, 0 },
88     { __LINE__, 13, 0, 105, 13, 13, 11, 2, 0, 0 },
89     { __LINE__, 12, 0, 90, 12, 12, 10, 2, 0, 0 },
90     { __LINE__, 11, 0, 90, 11, 11, 9, 2, 0, 0 },
91     { __LINE__, 10, 0, 75, 10, 10, 9, 1, 0, 0 },
92     { __LINE__, 9, 0, 75, 9, 9, 8, 1, 0, 0 },
93     { __LINE__, 8, 0, 60, 8, 8, 7, 1, 0, 0 },
94     { __LINE__, 7, 0, 60, 7, 7, 6, 1, 0, 0 },
95     { __LINE__, 6, 0, 45, 6, 6, 5, 1, 0, 0 },
96     { __LINE__, 5, 0, 45, 5, 5, 4, 1, 0, 0 },
97     { __LINE__, 4, 0, 30, 4, 4, 3, 1, 0, 0 },
98     { __LINE__, 3, 0, 30, 3, 3, 3, 0, 0, 0 },
99     { __LINE__, 2, 0, 15, 2, 2, 2, 0, 0, 0 },
100     { __LINE__, 1, 0, 15, 2, 2, 2, 0, 0, 0 },
101     { __LINE__, 0, 0, -135, -18, -18, -15, -3, 0, 0 },
102     { __LINE__, -1, 0, 15, 2, 2, 2, 0, 0, 0 },
103     { __LINE__, -2, 0, 15, 2, 2, 2, 0, 0, 0 },
104     { __LINE__, -3, 0, 30, 3, 3, 3, 0, 0, 0 },
105     { __LINE__, -4, 0, 30, 4, 4, 3, 1, 0, 0 },
106     { __LINE__, -5, 0, 45, 5, 5, 4, 1, 0, 0 },
107     { __LINE__, -6, 0, 45, 6, 6, 5, 1, 0, 0 },
108     { __LINE__, -7, 0, 60, 7, 7, 6, 1, 0, 0 },
109     { __LINE__, -8, 0, 60, 8, 8, 7, 1, 0, 0 },
110     { __LINE__, -9, 0, 75, 9, 9, 8, 1, 0, 0 },
111     { __LINE__, -10, 0, 75, 10, 10, 9, 1, 0, 0 },
112     { __LINE__, -11, 0, 90, 11, 11, 9, 2, 0, 0 },
113     { __LINE__, -12, 0, 90, 12, 12, 10, 2, 0, 0 },
114     { __LINE__, -13, 0, 105, 13, 13, 11, 2, 0, 0 },
115     { __LINE__, -14, 0, 105, 14, 14, 12, 2, 0, 0 },
116     { __LINE__, -15, 0, 120, 15, 15, 13, 2, 0, 0 },
117     { __LINE__, -16, 0, 120, 16, 16, 14, 2, 0, 0 },
118     { __LINE__, -32, 0, 240, 33, 33, 28, 5, 1, 0 },
119     { __LINE__, -64, 0, 480, 64, 64, 55, 9, 0, 0 },
120     { __LINE__, -100, 0, 750, 100, 100, 86, 14, 0, 0 },
121     { __LINE__, -200, 0, 1500, 200, 200, 172, 28, 0, 0 },
122     { __LINE__, -300, 0, 2250, 300, 300, 258, 42, 0, 0 },
123     { __LINE__, -400, 0, 3000, 400, 400, 344, 56, 0, 0 },
124 };
125 #define g_MSGOTHIC_count _countof(g_MSGOTHIC)
126 
127 static const TEST_ENTRY g_MSMINCHO[] =
128 {
129     { __LINE__, 400, 0, 3000, 400, 400, 344, 56, 0, 0 },
130     { __LINE__, 300, 0, 2250, 300, 300, 258, 42, 0, 0 },
131     { __LINE__, 200, 0, 1500, 200, 200, 172, 28, 0, 0 },
132     { __LINE__, 100, 0, 750, 100, 100, 86, 14, 0, 0 },
133     { __LINE__, 64, 0, 480, 64, 64, 55, 9, 0, 0 },
134     { __LINE__, 32, 0, 240, 33, 33, 28, 5, 1, 0 },
135     { __LINE__, 16, 0, 120, 16, 16, 14, 2, 0, 0 },
136     { __LINE__, 15, 0, 120, 15, 15, 13, 2, 0, 0 },
137     { __LINE__, 14, 0, 105, 14, 14, 12, 2, 0, 0 },
138     { __LINE__, 13, 0, 105, 13, 13, 11, 2, 0, 0 },
139     { __LINE__, 12, 0, 90, 12, 12, 10, 2, 0, 0 },
140     { __LINE__, 11, 0, 90, 11, 11, 9, 2, 0, 0 },
141     { __LINE__, 10, 0, 75, 10, 10, 9, 1, 0, 0 },
142     { __LINE__, 9, 0, 75, 9, 9, 8, 1, 0, 0 },
143     { __LINE__, 8, 0, 60, 8, 8, 7, 1, 0, 0 },
144     { __LINE__, 7, 0, 60, 7, 7, 6, 1, 0, 0 },
145     { __LINE__, 6, 0, 45, 6, 6, 5, 1, 0, 0 },
146     { __LINE__, 5, 0, 45, 5, 5, 4, 1, 0, 0 },
147     { __LINE__, 4, 0, 30, 4, 4, 3, 1, 0, 0 },
148     { __LINE__, 3, 0, 30, 3, 3, 3, 0, 0, 0 },
149     { __LINE__, 2, 0, 15, 2, 2, 2, 0, 0, 0 },
150     { __LINE__, 1, 0, 15, 2, 2, 2, 0, 0, 0 },
151     { __LINE__, 0, 0, -135, -18, -18, -15, -3, 0, 0 },
152     { __LINE__, -1, 0, 15, 2, 2, 2, 0, 0, 0 },
153     { __LINE__, -2, 0, 15, 2, 2, 2, 0, 0, 0 },
154     { __LINE__, -3, 0, 30, 3, 3, 3, 0, 0, 0 },
155     { __LINE__, -4, 0, 30, 4, 4, 3, 1, 0, 0 },
156     { __LINE__, -5, 0, 45, 5, 5, 4, 1, 0, 0 },
157     { __LINE__, -6, 0, 45, 6, 6, 5, 1, 0, 0 },
158     { __LINE__, -7, 0, 60, 7, 7, 6, 1, 0, 0 },
159     { __LINE__, -8, 0, 60, 8, 8, 7, 1, 0, 0 },
160     { __LINE__, -9, 0, 75, 9, 9, 8, 1, 0, 0 },
161     { __LINE__, -10, 0, 75, 10, 10, 9, 1, 0, 0 },
162     { __LINE__, -11, 0, 90, 11, 11, 9, 2, 0, 0 },
163     { __LINE__, -12, 0, 90, 12, 12, 10, 2, 0, 0 },
164     { __LINE__, -13, 0, 105, 13, 13, 11, 2, 0, 0 },
165     { __LINE__, -14, 0, 105, 14, 14, 12, 2, 0, 0 },
166     { __LINE__, -15, 0, 120, 15, 15, 13, 2, 0, 0 },
167     { __LINE__, -16, 0, 120, 16, 16, 14, 2, 0, 0 },
168     { __LINE__, -32, 0, 240, 33, 33, 28, 5, 1, 0 },
169     { __LINE__, -64, 0, 480, 64, 64, 55, 9, 0, 0 },
170     { __LINE__, -100, 0, 750, 100, 100, 86, 14, 0, 0 },
171     { __LINE__, -200, 0, 1500, 200, 200, 172, 28, 0, 0 },
172     { __LINE__, -300, 0, 2250, 300, 300, 258, 42, 0, 0 },
173     { __LINE__, -400, 0, 3000, 400, 400, 344, 56, 0, 0 },
174 };
175 #define g_MSMINCHO_count _countof(g_MSMINCHO)
176 
177 static const TEST_ENTRY g_TAHOMA[] =
178 {
179     { __LINE__, 400, 0, 1953, 400, 400, 332, 68, 0, 0 },
180     { __LINE__, 300, 0, 1466, 300, 300, 249, 51, 0, 0 },
181     { __LINE__, 200, 0, 980, 200, 200, 166, 34, 0, 0 },
182     { __LINE__, 100, 0, 490, 100, 100, 83, 17, 0, 0 },
183     { __LINE__, 64, 0, 316, 64, 64, 53, 11, 0, 0 },
184     { __LINE__, 32, 0, 156, 32, 32, 27, 5, 6, 0 },
185     { __LINE__, 16, 0, 77, 16, 16, 13, 3, 0, 0 },
186     { __LINE__, 15, 0, 73, 15, 15, 12, 3, 0, 0 },
187     { __LINE__, 14, 0, 73, 14, 14, 12, 2, 0, 0 },
188     { __LINE__, 13, 0, 64, 13, 13, 11, 2, 0, 0 },
189     { __LINE__, 12, 0, 56, 12, 12, 10, 2, 0, 0 },
190     { __LINE__, 11, 0, 55, 11, 11, 9, 2, 0, 0 },
191     { __LINE__, 10, 0, 50, 10, 10, 8, 2, 0, 0 },
192     { __LINE__, 9, 0, 41, 9, 9, 7, 2, 0, 0 },
193     { __LINE__, 8, 0, 41, 8, 8, 7, 1, 0, 0 },
194     { __LINE__, 7, 0, 36, 7, 7, 6, 1, 0, 0 },
195     { __LINE__, 6, 0, 32, 6, 6, 5, 1, 0, 0 },
196     { __LINE__, 5, 0, 22, 5, 5, 4, 1, 0, 0 },
197     { __LINE__, 4, 0, 19, 4, 4, 3, 1, 0, 0 },
198     { __LINE__, 3, 0, 13, 4, 4, 3, 0, 0, 0 },
199     { __LINE__, 2, 0, 13, 2, 2, 2, 0, 0, 0 },
200     { __LINE__, 1, 0, 13, 2, 2, 2, 0, 0, 0 },
201     { __LINE__, 0, 0, -135, -18, -18, -15, -3, 0, 0 },
202     { __LINE__, -1, 0, 13, 2, 2, 2, 0, 0, 0 },
203     { __LINE__, -2, 0, 13, 2, 2, 2, 0, 0, 0 },
204     { __LINE__, -3, 0, 19, 4, 4, 3, 0, 0, 0 },
205     { __LINE__, -4, 0, 22, 5, 5, 4, 1, 0, 0 },
206     { __LINE__, -5, 0, 32, 6, 6, 5, 1, 0, 0 },
207     { __LINE__, -6, 0, 36, 7, 7, 6, 1, 0, 0 },
208     { __LINE__, -7, 0, 41, 8, 8, 7, 1, 0, 0 },
209     { __LINE__, -8, 0, 50, 10, 10, 8, 2, 0, 0 },
210     { __LINE__, -9, 0, 55, 11, 11, 9, 2, 0, 0 },
211     { __LINE__, -10, 0, 56, 12, 12, 10, 2, 0, 0 },
212     { __LINE__, -11, 0, 64, 13, 13, 11, 2, 0, 0 },
213     { __LINE__, -12, 0, 73, 14, 14, 12, 2, 0, 0 },
214     { __LINE__, -13, 0, 77, 16, 16, 13, 3, 0, 0 },
215     { __LINE__, -14, 0, 78, 17, 17, 14, 3, 0, 0 },
216     { __LINE__, -15, 0, 89, 18, 18, 15, 3, 0, 0 },
217     { __LINE__, -16, 0, 94, 19, 19, 16, 3, 0, 0 },
218     { __LINE__, -32, 0, 189, 39, 39, 32, 7, 7, 0 },
219     { __LINE__, -64, 0, 379, 77, 77, 64, 13, 0, 0 },
220     { __LINE__, -100, 0, 589, 121, 121, 100, 21, 0, 0 },
221     { __LINE__, -200, 0, 1182, 241, 241, 200, 41, 0, 0 },
222     { __LINE__, -300, 0, 1770, 362, 362, 300, 62, 0, 0 },
223     { __LINE__, -400, 0, 2361, 483, 483, 400, 83, 0, 0 },
224 };
225 #define g_TAHOMA_count _countof(g_TAHOMA)
226 
227 #endif
228 
229 typedef struct FONT_ENTRY
230 {
231     const char *entry_name;
232     const char *font_name;
233     const char *font_file;
234     size_t test_count;
235     const TEST_ENTRY *tests;
236 } FONT_ENTRY;
237 
238 static FONT_ENTRY g_font_entries[] =
239 {
240 #ifdef EMIT_TESTCASES
241     { "MSGOTHIC", "MS Gothic", "msgothic.ttc" },
242     { "MSMINCHO", "MS Mincho", "msmincho.ttc" },
243     { "TAHOMA", "Tahoma", "tahoma.ttf" },
244 #else
245     { "MSGOTHIC", "MS Gothic", "msgothic.ttc", g_MSGOTHIC_count, g_MSGOTHIC },
246     { "MSMINCHO", "MS Mincho", "msmincho.ttc", g_MSMINCHO_count, g_MSMINCHO },
247     { "TAHOMA", "Tahoma", "Tahoma.ttf", g_TAHOMA_count, g_TAHOMA },
248 #endif
249 };
250 static size_t g_font_entry_count = _countof(g_font_entries);
251 
252 START_TEST(GetTextMetrics)
253 {
254     size_t i, k;
255     LOGFONTA lf;
256     HFONT hFont;
257     HDC hDC;
258     HGDIOBJ hFontOld;
259     SIZE siz;
260     TEXTMETRIC tm;
261     char szPath[MAX_PATH];
262     static const char *text = "This is a test.";
263 
264     hDC = CreateCompatibleDC(NULL);
265     for (i = 0; i < g_font_entry_count; ++i)
266     {
267         FONT_ENTRY *font = &g_font_entries[i];
268         ZeroMemory(&lf, sizeof(lf));
269         lf.lfCharSet = DEFAULT_CHARSET;
270         lstrcpyA(lf.lfFaceName, font->font_name);
271 
272         GetWindowsDirectoryA(szPath, MAX_PATH);
273         lstrcatA(szPath, "\\Fonts\\");
274         lstrcatA(szPath, font->font_file);
275         if (GetFileAttributesA(szPath) == 0xFFFFFFFF)
276         {
277             skip("Font file '%s' doesn't exists\n", font->font_file);
278             continue;
279         }
280 
281         trace("Testing '%s'.\n", font->font_file);
282 
283 #ifdef EMIT_TESTCASES
284         printf("static const TEST_ENTRY g_%s[] =\n", font->entry_name);
285         printf("{\n");
286         for (k = 0; k < g_test_entry_count; ++k)
287         {
288             const TEST_ENTRY *test = &g_test_entries[k];
289 
290             lf.lfHeight = test->lfHeight;
291             lf.lfWidth = test->lfWidth;
292 
293             hFont = CreateFontIndirectA(&lf);
294             hFontOld = SelectObject(hDC, hFont);
295             {
296                 GetTextExtentPoint32A(hDC, text, lstrlenA(text), &siz);
297                 GetTextMetrics(hDC, &tm);
298             }
299             SelectObject(hDC, hFontOld);
300             DeleteObject(hFont);
301 
302             printf("    { __LINE__, %ld, %ld, %ld, %ld, %ld, %ld, %ld, %ld, %ld },\n",
303                 lf.lfHeight, lf.lfWidth,
304                 siz.cx, siz.cy,
305                 tm.tmHeight, tm.tmAscent, tm.tmDescent, tm.tmInternalLeading, tm.tmExternalLeading);
306         }
307         printf("};\n");
308         printf("#define g_%s_count _countof(g_%s)\n\n", font->entry_name, font->entry_name);
309 #else
310         for (k = 0; k < font->test_count; ++k)
311         {
312             const TEST_ENTRY *test = &font->tests[k];
313 
314             lf.lfHeight = test->lfHeight;
315             lf.lfWidth = test->lfWidth;
316 
317             hFont = CreateFontIndirectA(&lf);
318             hFontOld = SelectObject(hDC, hFont);
319             {
320                 GetTextExtentPoint32A(hDC, text, lstrlenA(text), &siz);
321                 GetTextMetrics(hDC, &tm);
322             }
323             SelectObject(hDC, hFontOld);
324             DeleteObject(hFont);
325 
326             if (test->cxText > 0)
327             {
328                 ok_(__FILE__, test->line)(labs(test->cxText - siz.cx) <= 1, "%s (%ld): cxText: labs(%ld - %ld) > 1\n", font->entry_name, test->lfHeight, test->cxText, siz.cx);
329                 ok_(__FILE__, test->line)(labs(test->cxText - siz.cx) == 0, "%s (%ld): cxText: labs(%ld - %ld) != 0\n", font->entry_name, test->lfHeight, test->cxText, siz.cx);
330             }
331             if (test->cyText > 0)
332             {
333                 ok_(__FILE__, test->line)(labs(test->cyText - siz.cy) <= 1, "%s (%ld): cyText: labs(%ld - %ld) > 1\n", font->entry_name, test->lfHeight, test->cyText, siz.cy);
334                 ok_(__FILE__, test->line)(labs(test->cyText - siz.cy) == 0, "%s (%ld): cyText: labs(%ld - %ld) != 0\n", font->entry_name, test->lfHeight, test->cyText, siz.cy);
335             }
336             if (test->tmHeight > 0)
337             {
338                 ok_(__FILE__, test->line)(labs(test->tmHeight - tm.tmHeight) <= 1, "%s (%ld): tmHeight: labs(%ld - %ld) > 1\n", font->entry_name, test->lfHeight, test->tmHeight, tm.tmHeight);
339                 ok_(__FILE__, test->line)(labs(test->tmHeight - tm.tmHeight) == 0, "%s (%ld): tmHeight: labs(%ld - %ld) != 0\n", font->entry_name, test->lfHeight, test->tmHeight, tm.tmHeight);
340             }
341             if (test->tmAscent > 0)
342             {
343                 ok_(__FILE__, test->line)(labs(test->tmAscent - tm.tmAscent) <= 1, "%s (%ld): tmAscent: labs(%ld - %ld) > 1\n", font->entry_name, test->lfHeight, test->tmAscent, tm.tmAscent);
344                 ok_(__FILE__, test->line)(labs(test->tmAscent - tm.tmAscent) == 0, "%s (%ld): tmAscent: labs(%ld - %ld) != 0\n", font->entry_name, test->lfHeight, test->tmAscent, tm.tmAscent);
345             }
346             if (test->tmDescent > 0)
347             {
348                 ok_(__FILE__, test->line)(labs(test->tmDescent - tm.tmDescent) <= 1, "%s (%ld): tmDescent: labs(%ld - %ld) > 1\n", font->entry_name, test->lfHeight, test->tmDescent, tm.tmDescent);
349                 ok_(__FILE__, test->line)(labs(test->tmDescent - tm.tmDescent) == 0, "%s (%ld): tmDescent: labs(%ld - %ld) != 0\n", font->entry_name, test->lfHeight, test->tmDescent, tm.tmDescent);
350             }
351             if (test->tmInternalLeading > 0)
352             {
353                 ok_(__FILE__, test->line)(labs(test->tmInternalLeading - tm.tmInternalLeading) <= 1, "%s (%ld): tmInternalLeading: labs(%ld - %ld) > 1\n", font->entry_name, test->lfHeight, test->tmInternalLeading, tm.tmInternalLeading);
354                 ok_(__FILE__, test->line)(labs(test->tmInternalLeading - tm.tmInternalLeading) == 0, "%s (%ld): tmInternalLeading: labs(%ld - %ld) != 0\n", font->entry_name, test->lfHeight, test->tmInternalLeading, tm.tmInternalLeading);
355             }
356             if (test->tmExternalLeading > 0)
357             {
358                 ok_(__FILE__, test->line)(labs(test->tmExternalLeading - tm.tmExternalLeading) <= 1, "%s (%ld): tmExternalLeading: labs(%ld - %ld) > 1\n", font->entry_name, test->lfHeight, test->tmExternalLeading, tm.tmExternalLeading);
359                 ok_(__FILE__, test->line)(labs(test->tmExternalLeading - tm.tmExternalLeading) == 0, "%s (%ld): tmExternalLeading: labs(%ld - %ld) != 0\n", font->entry_name, test->lfHeight, test->tmExternalLeading, tm.tmExternalLeading);
360             }
361         }
362 #endif
363     }
364     DeleteDC(hDC);
365 }
366