[gtksourceview] testsuite: add test to load all language specs

[Christian Hergert <chergert src gnome org>]

commit 45bd8197c5f1e63e6441a1b53fefb5f70a4d3868
Author: Christian Hergert <chergert redhat com>
Date:   Thu Jul 15 16:15:22 2021 -0700

    testsuite: add test to load all language specs

 testsuite/meson.build           |  1 +
 testsuite/test-language-specs.c | 97 +++++++++++++++++++++++++++++++++++++++++
 2 files changed, 98 insertions(+)
---
diff --git a/testsuite/meson.build b/testsuite/meson.build
index bc00a4c3..4bd0f6ea 100644
--- a/testsuite/meson.build
+++ b/testsuite/meson.build
@@ -25,6 +25,7 @@ testsuite_sources = [
   ['test-iter'],
   ['test-language'],
   ['test-languagemanager'],
+  ['test-language-specs'],
   ['test-mark'],
   ['test-printcompositor'],
   ['test-regex'],
diff --git a/testsuite/test-language-specs.c b/testsuite/test-language-specs.c
new file mode 100644
index 00000000..f1f54e90
--- /dev/null
+++ b/testsuite/test-language-specs.c
@@ -0,0 +1,97 @@
+#include <gtksourceview/gtksource.h>
+
+static GHashTable *skipped;
+
+static void
+test_func (gconstpointer data)
+{
+       GtkSourceLanguageManager *lm = gtk_source_language_manager_get_default ();
+       const char *language_id = data;
+       GtkSourceLanguage *l;
+       GtkSourceBuffer *buffer;
+
+       g_assert (GTK_SOURCE_IS_LANGUAGE_MANAGER (lm));
+       g_assert (data != NULL);
+
+       if (g_hash_table_contains (skipped, language_id))
+       {
+               char *message = g_strdup_printf ("skipping known failure for %s", language_id);
+               g_test_skip (message);
+               g_free (message);
+               return;
+       }
+
+       l = gtk_source_language_manager_get_language (lm, language_id);
+       g_assert_nonnull (l);
+
+       buffer = g_object_new (GTK_SOURCE_TYPE_BUFFER,
+                              "language", l,
+                              "highlight-syntax", TRUE,
+                              NULL);
+
+       g_object_unref (buffer);
+}
+
+int
+main (int   argc,
+      char *argv[])
+{
+       GtkSourceLanguageManager *lm;
+       const char * const *ids;
+       char *language_specs;
+       char *search_path[2];
+       const char *srcdir = g_getenv ("G_TEST_SRCDIR");
+       GPtrArray *strings;
+       int ret;
+
+       g_assert_nonnull (srcdir);
+
+       language_specs = g_build_filename (srcdir, "..", "data", "language-specs", NULL);
+       search_path[0] = language_specs;
+       search_path[1] = 0;
+
+       g_test_init (&argc, &argv, NULL);
+       gtk_source_init ();
+
+       skipped = g_hash_table_new (g_str_hash, g_str_equal);
+
+       g_hash_table_add (skipped, (char *)"gdb-log");
+       g_hash_table_add (skipped, (char *)"jsdoc");
+       g_hash_table_add (skipped, (char *)"js-expr");
+       g_hash_table_add (skipped, (char *)"js-fn");
+       g_hash_table_add (skipped, (char *)"js-lit");
+       g_hash_table_add (skipped, (char *)"js-mod");
+       g_hash_table_add (skipped, (char *)"js-st");
+       g_hash_table_add (skipped, (char *)"js-val");
+       g_hash_table_add (skipped, (char *)"typescript-js-expr");
+       g_hash_table_add (skipped, (char *)"typescript-js-fn");
+       g_hash_table_add (skipped, (char *)"typescript-js-lit");
+       g_hash_table_add (skipped, (char *)"typescript-js-mod");
+       g_hash_table_add (skipped, (char *)"typescript-js-st");
+       g_hash_table_add (skipped, (char *)"typescript-type-expr");
+       g_hash_table_add (skipped, (char *)"typescript-type-gen");
+       g_hash_table_add (skipped, (char *)"typescript-type-lit");
+       g_hash_table_add (skipped, (char *)"gtk-doc");
+       g_hash_table_add (skipped, (char *)"testv1");
+
+       strings = g_ptr_array_new_with_free_func (g_free);
+       lm = gtk_source_language_manager_get_default ();
+       gtk_source_language_manager_set_search_path (lm, (const char * const *)search_path);
+
+       ids = gtk_source_language_manager_get_language_ids (lm);
+
+       for (guint i = 0; ids[i]; i++)
+       {
+               char *path = g_strdup_printf ("/Language/%s/load", ids[i]);
+               g_ptr_array_add (strings, path);
+               g_test_add_data_func (path, ids[i], test_func);
+       }
+
+       ret = g_test_run ();
+
+       g_ptr_array_unref (strings);
+       g_hash_table_unref (skipped);
+       g_free (language_specs);
+
+       return ret;
+}