[test] Add test for headers included from C and C++

test/Makefile.am

@@ -15,6 +15,23 @@ TEST_PROGS += \
 	$(NULL)
 
 
+# Tests for header compilation
+TEST_PROGS += \
+	test-c \
+	test-cplusplus \
+	$(NULL)
+test_cplusplus_SOURCES = test-cplusplus.cc
+test_c_CPPFLAGS = $(AM_CPPFLAGS)
+test_cplusplus_CPPFLAGS = $(AM_CPPFLAGS)
+if HAVE_ICU
+test_c_CPPFLAGS += $(ICU_CFLAGS)
+test_cplusplus_CPPFLAGS += $(ICU_CFLAGS)
+endif
+if HAVE_FREETYPE
+test_c_CPPFLAGS += $(FREETYPE_CFLAGS)
+test_cplusplus_CPPFLAGS += $(FREETYPE_CFLAGS)
+endif
+
 
 else
 check-am:

test/test-c.c

@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2010  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Behdad Esfahbod
+ */
+
+/* This file tests that all headers can be included from .c files */
+
+#include <config.h>
+
+#include <hb.h>
+
+#if HAVE_GLIB
+#include <hb-glib.h>
+#endif
+
+#if HAVE_ICU
+#include <hb-icu.h>
+#endif
+
+#if HAVE_FREETYPE
+#include <hb-ft.h>
+#endif
+
+int
+main (int argc, char **argv)
+{
+  return 0;
+}

test/test-cplusplus.cc

@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2010  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Behdad Esfahbod
+ */
+
+/* This file tests that all headers can be included from .cc files */
+
+#include "test-c.c"