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-rw-r--r--src/libsystemd-terminal/test-unifont.c128
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diff --git a/src/libsystemd-terminal/test-unifont.c b/src/libsystemd-terminal/test-unifont.c
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+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+/***
+ This file is part of systemd.
+
+ Copyright (C) 2014 David Herrmann <dh.herrmann@gmail.com>
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+/*
+ * Test Unifont Helper
+ * This tries opening the binary unifont glyph-array and renders some glyphs.
+ * The glyphs are then compared to hard-coded glyphs.
+ */
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "macro.h"
+#include "unifont-def.h"
+#include "unifont-internal.h"
+#include "util.h"
+
+static void render(char *w, const unifont_glyph *g) {
+ unsigned int i, j;
+ const uint8_t *d = g->data;
+
+ for (j = 0; j < 16; ++j) {
+ for (i = 0; i < 8 * g->cwidth; ++i) {
+ if (d[i / 8] & (1 << (7 - i % 8)))
+ *w++ = '#';
+ else
+ *w++ = ' ';
+ }
+ *w++ = '\n';
+ d += g->stride;
+ }
+
+ *w++ = 0;
+}
+
+static void test_unifont(void) {
+ char buf[4096];
+ unifont_glyph g;
+ unifont *u;
+
+ assert_se(unifont_new(&u) >= 0);
+
+ /* lookup invalid font */
+ assert_se(unifont_lookup(u, &g, 0xffffffffU) < 0);
+
+ /* lookup and render 'A' */
+ assert_se(unifont_lookup(u, &g, 'A') >= 0);
+ assert_se(g.width == 8);
+ assert_se(g.height == 16);
+ assert_se(g.stride >= 1);
+ assert_se(g.cwidth == 1);
+ assert_se(g.data != NULL);
+ render(buf, &g);
+ assert_se(!strcmp(buf,
+ " \n"
+ " \n"
+ " \n"
+ " \n"
+ " ## \n"
+ " # # \n"
+ " # # \n"
+ " # # \n"
+ " # # \n"
+ " ###### \n"
+ " # # \n"
+ " # # \n"
+ " # # \n"
+ " # # \n"
+ " \n"
+ " \n"
+ ));
+
+ /* lookup and render '什' */
+ assert_se(unifont_lookup(u, &g, 0x4ec0) >= 0);
+ assert_se(g.width == 16);
+ assert_se(g.height == 16);
+ assert_se(g.stride >= 2);
+ assert_se(g.cwidth == 2);
+ assert_se(g.data != NULL);
+ render(buf, &g);
+ assert_se(!strcmp(buf,
+ " # # \n"
+ " # # \n"
+ " # # \n"
+ " # # \n"
+ " # # \n"
+ " ## # \n"
+ " ## ########## \n"
+ " # # # \n"
+ "# # # \n"
+ " # # \n"
+ " # # \n"
+ " # # \n"
+ " # # \n"
+ " # # \n"
+ " # # \n"
+ " # # \n"
+ ));
+
+ unifont_unref(u);
+}
+
+int main(int argc, char **argv) {
+ if (access(UNIFONT_PATH, F_OK))
+ return 77;
+
+ test_unifont();
+
+ return 0;
+}