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338d949559
2004-09-01 Anders Carlsson <andersca@gnome.org> * glib/goption.c: (g_option_context_free), (print_help), (g_option_context_parse): Handle option contexts without a main group. * tests/option-test.c: (empty_test2), (main): Add test case for that.
472 lines
10 KiB
C
472 lines
10 KiB
C
#include <glib.h>
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#include "goption.h"
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#include <string.h>
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int error_test1_int;
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char *error_test2_string;
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gboolean error_test3_boolean;
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int arg_test1_int;
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gchar *arg_test2_string;
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gchar **array_test1_array;
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gboolean ignore_test1_boolean;
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gboolean ignore_test2_boolean;
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gchar **
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split_string (const char *str, int *argc)
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{
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gchar **argv;
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int len;
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argv = g_strsplit (str, " ", 0);
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for (len = 0; argv[len] != NULL; len++);
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if (argc)
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*argc = len;
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return argv;
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}
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gchar *
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join_stringv (int argc, char **argv)
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{
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int i;
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GString *str;
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str = g_string_new (NULL);
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for (i = 0; i < argc; i++)
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{
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g_string_append (str, argv[i]);
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if (i < argc - 1)
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g_string_append_c (str, ' ');
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}
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return g_string_free (str, FALSE);
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}
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/* Performs a shallow copy */
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char **
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copy_stringv (char **argv, int argc)
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{
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return g_memdup (argv, sizeof (char *) * (argc + 1));
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}
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static gboolean
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error_test1_pre_parse (GOptionContext *context,
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GOptionGroup *group,
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gpointer data,
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GError **error)
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{
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g_assert (error_test1_int == 0x12345678);
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return TRUE;
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}
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static gboolean
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error_test1_post_parse (GOptionContext *context,
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GOptionGroup *group,
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gpointer data,
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GError **error)
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{
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g_assert (error_test1_int == 20);
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/* Set an error in the post hook */
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g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_BAD_VALUE, NULL);
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return FALSE;
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}
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void
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error_test1 (void)
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{
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GOptionContext *context;
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gboolean retval;
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GError *error = NULL;
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gchar **argv;
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int argc;
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GOptionGroup *main_group;
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GOptionEntry entries [] =
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{ { "test", 0, 0, G_OPTION_ARG_INT, &error_test1_int, NULL, NULL },
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{ NULL } };
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context = g_option_context_new (NULL);
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g_option_context_add_main_entries (context, entries, NULL);
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/* Set pre and post parse hooks */
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main_group = g_option_context_get_main_group (context);
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g_option_group_set_parse_hooks (main_group,
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error_test1_pre_parse, error_test1_post_parse);
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/* Now try parsing */
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argv = split_string ("program --test 20", &argc);
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retval = g_option_context_parse (context, &argc, &argv, &error);
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g_assert (retval == FALSE);
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/* On failure, values should be reset */
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g_assert (error_test1_int == 0x12345678);
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g_strfreev (argv);
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g_option_context_free (context);
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}
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static gboolean
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error_test2_pre_parse (GOptionContext *context,
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GOptionGroup *group,
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gpointer data,
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GError **error)
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{
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g_assert (strcmp (error_test2_string, "foo") == 0);
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return TRUE;
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}
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static gboolean
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error_test2_post_parse (GOptionContext *context,
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GOptionGroup *group,
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gpointer data,
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GError **error)
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{
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g_assert (strcmp (error_test2_string, "bar") == 0);
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/* Set an error in the post hook */
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g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_BAD_VALUE, NULL);
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return FALSE;
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}
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void
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error_test2 (void)
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{
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GOptionContext *context;
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gboolean retval;
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GError *error = NULL;
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gchar **argv;
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int argc;
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GOptionGroup *main_group;
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GOptionEntry entries [] =
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{ { "test", 0, 0, G_OPTION_ARG_STRING, &error_test2_string, NULL, NULL },
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{ NULL } };
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context = g_option_context_new (NULL);
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g_option_context_add_main_entries (context, entries, NULL);
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/* Set pre and post parse hooks */
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main_group = g_option_context_get_main_group (context);
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g_option_group_set_parse_hooks (main_group,
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error_test2_pre_parse, error_test2_post_parse);
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/* Now try parsing */
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argv = split_string ("program --test bar", &argc);
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retval = g_option_context_parse (context, &argc, &argv, &error);
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g_error_free (error);
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g_assert (retval == FALSE);
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g_assert (strcmp (error_test2_string, "foo") == 0);
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g_strfreev (argv);
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g_option_context_free (context);
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}
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static gboolean
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error_test3_pre_parse (GOptionContext *context,
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GOptionGroup *group,
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gpointer data,
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GError **error)
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{
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g_assert (!error_test3_boolean);
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return TRUE;
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}
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static gboolean
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error_test3_post_parse (GOptionContext *context,
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GOptionGroup *group,
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gpointer data,
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GError **error)
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{
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g_assert (error_test3_boolean);
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/* Set an error in the post hook */
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g_set_error (error, G_OPTION_ERROR, G_OPTION_ERROR_BAD_VALUE, NULL);
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return FALSE;
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}
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void
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error_test3 (void)
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{
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GOptionContext *context;
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gboolean retval;
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GError *error = NULL;
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gchar **argv;
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int argc;
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GOptionGroup *main_group;
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GOptionEntry entries [] =
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{ { "test", 0, 0, G_OPTION_ARG_NONE, &error_test3_boolean, NULL, NULL },
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{ NULL } };
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context = g_option_context_new (NULL);
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g_option_context_add_main_entries (context, entries, NULL);
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/* Set pre and post parse hooks */
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main_group = g_option_context_get_main_group (context);
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g_option_group_set_parse_hooks (main_group,
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error_test3_pre_parse, error_test3_post_parse);
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/* Now try parsing */
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argv = split_string ("program --test", &argc);
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retval = g_option_context_parse (context, &argc, &argv, &error);
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g_error_free (error);
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g_assert (retval == FALSE);
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g_assert (!error_test3_boolean);
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g_strfreev (argv);
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g_option_context_free (context);
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}
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void
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arg_test1 (void)
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{
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GOptionContext *context;
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gboolean retval;
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GError *error = NULL;
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gchar **argv;
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int argc;
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GOptionEntry entries [] =
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{ { "test", 0, 0, G_OPTION_ARG_INT, &arg_test1_int, NULL, NULL },
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{ NULL } };
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context = g_option_context_new (NULL);
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g_option_context_add_main_entries (context, entries, NULL);
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/* Now try parsing */
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argv = split_string ("program --test 20 --test 30", &argc);
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retval = g_option_context_parse (context, &argc, &argv, &error);
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g_assert (retval);
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/* Last arg specified is the one that should be stored */
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g_assert (arg_test1_int == 30);
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g_strfreev (argv);
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g_option_context_free (context);
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}
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void
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arg_test2 (void)
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{
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GOptionContext *context;
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gboolean retval;
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GError *error = NULL;
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gchar **argv;
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int argc;
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GOptionEntry entries [] =
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{ { "test", 0, 0, G_OPTION_ARG_STRING, &arg_test2_string, NULL, NULL },
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{ NULL } };
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context = g_option_context_new (NULL);
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g_option_context_add_main_entries (context, entries, NULL);
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/* Now try parsing */
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argv = split_string ("program --test foo --test bar", &argc);
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retval = g_option_context_parse (context, &argc, &argv, &error);
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g_assert (retval);
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/* Last arg specified is the one that should be stored */
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g_assert (strcmp (arg_test2_string, "bar") == 0);
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g_free (arg_test2_string);
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g_strfreev (argv);
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g_option_context_free (context);
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}
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void
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ignore_test1 (void)
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{
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GOptionContext *context;
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gboolean retval;
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GError *error = NULL;
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gchar **argv, **argv_copy;
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int argc;
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gchar *arg;
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GOptionEntry entries [] =
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{ { "test", 0, 0, G_OPTION_ARG_NONE, &ignore_test1_boolean, NULL, NULL },
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{ NULL } };
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context = g_option_context_new (NULL);
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g_option_context_set_ignore_unknown_options (context, TRUE);
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g_option_context_add_main_entries (context, entries, NULL);
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/* Now try parsing */
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argv = split_string ("program --test --hello", &argc);
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argv_copy = copy_stringv (argv, argc);
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retval = g_option_context_parse (context, &argc, &argv, &error);
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g_assert (retval);
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/* Check array */
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arg = join_stringv (argc, argv);
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g_assert (strcmp (arg, "program --hello") == 0);
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g_free (arg);
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g_strfreev (argv_copy);
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g_free (argv);
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g_option_context_free (context);
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}
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void
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ignore_test2 (void)
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{
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GOptionContext *context;
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gboolean retval;
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GError *error = NULL;
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gchar **argv;
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int argc;
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gchar *arg;
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GOptionEntry entries [] =
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{ { "test", 't', 0, G_OPTION_ARG_NONE, &ignore_test2_boolean, NULL, NULL },
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{ NULL } };
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context = g_option_context_new (NULL);
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g_option_context_set_ignore_unknown_options (context, TRUE);
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g_option_context_add_main_entries (context, entries, NULL);
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/* Now try parsing */
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argv = split_string ("program -test", &argc);
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retval = g_option_context_parse (context, &argc, &argv, &error);
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g_assert (retval);
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/* Check array */
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arg = join_stringv (argc, argv);
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g_assert (strcmp (arg, "program -es") == 0);
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g_free (arg);
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g_strfreev (argv);
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g_option_context_free (context);
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}
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void
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array_test1 (void)
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{
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GOptionContext *context;
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gboolean retval;
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GError *error = NULL;
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gchar **argv;
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int argc;
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GOptionEntry entries [] =
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{ { "test", 0, 0, G_OPTION_ARG_STRING_ARRAY, &array_test1_array, NULL, NULL },
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{ NULL } };
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context = g_option_context_new (NULL);
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g_option_context_add_main_entries (context, entries, NULL);
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/* Now try parsing */
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argv = split_string ("program --test foo --test bar", &argc);
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retval = g_option_context_parse (context, &argc, &argv, &error);
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g_assert (retval);
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/* Check array */
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g_assert (strcmp (array_test1_array[0], "foo") == 0);
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g_assert (strcmp (array_test1_array[1], "bar") == 0);
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g_assert (array_test1_array[2] == NULL);
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g_strfreev (array_test1_array);
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g_strfreev (argv);
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g_option_context_free (context);
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}
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void
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add_test1 (void)
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{
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GOptionContext *context;
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GOptionEntry entries1 [] =
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{ { "test1", 0, 0, G_OPTION_ARG_STRING_ARRAY, NULL, NULL, NULL },
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{ NULL } };
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GOptionEntry entries2 [] =
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{ { "test2", 0, 0, G_OPTION_ARG_STRING_ARRAY, NULL, NULL, NULL },
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{ NULL } };
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context = g_option_context_new (NULL);
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g_option_context_add_main_entries (context, entries1, NULL);
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g_option_context_add_main_entries (context, entries2, NULL);
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g_option_context_free (context);
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}
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void
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empty_test1 (void)
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{
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GOptionContext *context;
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GOptionEntry entries [] =
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{ { NULL } };
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context = g_option_context_new (NULL);
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g_option_context_add_main_entries (context, entries, NULL);
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g_option_context_parse (context, NULL, NULL, NULL);
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g_assert (strcmp (g_get_prgname (), "<unknown>") == 0);
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g_option_context_free (context);
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}
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void
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empty_test2 (void)
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{
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GOptionContext *context;
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context = g_option_context_new (NULL);
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g_option_context_parse (context, NULL, NULL, NULL);
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g_option_context_free (context);
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}
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int
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main (int argc, char **argv)
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{
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/* Test that restoration on failure works */
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error_test1_int = 0x12345678;
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error_test1 ();
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error_test2_string = "foo";
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error_test2 ();
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error_test3_boolean = FALSE;
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error_test3 ();
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/* Test that special argument parsing works */
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arg_test1 ();
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arg_test2 ();
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/* Test string arrays */
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array_test1 ();
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/* Test ignoring options */
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ignore_test1 ();
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ignore_test2 ();
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add_test1 ();
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/* Test parsing empty args */
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empty_test1 ();
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empty_test2 ();
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return 0;
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}
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