Encode error type in argpar_error
[argpar.git] / tests / test_argpar.c
index e8b362bf3c232cce0ecaa0838807ea733d7d829b..87646a9a0a9d99fcc28a6ededbc035eee4eddeae 100644 (file)
@@ -18,6 +18,7 @@
 
 #include <assert.h>
 #include <stdlib.h>
+#include <stdio.h>
 #include <string.h>
 #include <stdbool.h>
 #include <glib.h>
@@ -87,7 +88,7 @@ void append_to_res_str(GString * const res_str,
 }
 
 /*
- * Parses `cmdline` with argpar_parse() using the option descriptors
+ * Parses `cmdline` with the argpar API using the option descriptors
  * `descrs`, and ensures that the resulting effective command line is
  * `expected_cmd_line` and that the number of ingested original
  * arguments is `expected_ingested_orig_args`.
@@ -99,80 +100,14 @@ void append_to_res_str(GString * const res_str,
  * by space-separating each formatted item (see append_to_res_str()).
  */
 static
-void test_succeed_argpar_parse(const char * const cmdline,
-               const char * const expected_cmd_line,
-               const struct argpar_opt_descr * const descrs,
-               const unsigned int expected_ingested_orig_args)
-{
-       struct argpar_parse_ret parse_ret;
-       GString * const res_str = g_string_new(NULL);
-       gchar ** const argv = g_strsplit(cmdline, " ", 0);
-       unsigned int i;
-
-       assert(argv);
-       assert(res_str);
-       parse_ret = argpar_parse(g_strv_length(argv),
-               (const char * const *) argv, descrs, false);
-       ok(parse_ret.items,
-               "argpar_parse() succeeds for command line `%s`", cmdline);
-       ok(!parse_ret.error,
-               "argpar_parse() doesn't set an error for command line `%s`",
-               cmdline);
-       ok(parse_ret.ingested_orig_args == expected_ingested_orig_args,
-               "argpar_parse() returns the correct number of ingested "
-               "original arguments for command line `%s`", cmdline);
-
-       if (parse_ret.ingested_orig_args != expected_ingested_orig_args) {
-               diag("Expected: %u    Got: %u", expected_ingested_orig_args,
-                       parse_ret.ingested_orig_args);
-       }
-
-       if (!parse_ret.items) {
-               fail("argpar_parse() returns the expected parsing items "
-                       "for command line `%s`", cmdline);
-               goto end;
-       }
-
-       for (i = 0; i < parse_ret.items->n_items; i++) {
-               append_to_res_str(res_str, parse_ret.items->items[i]);
-       }
-
-       ok(strcmp(expected_cmd_line, res_str->str) == 0,
-               "argpar_parse() returns the expected parsed arguments "
-               "for command line `%s`", cmdline);
-
-       if (strcmp(expected_cmd_line, res_str->str) != 0) {
-               diag("Expected: `%s`", expected_cmd_line);
-               diag("Got:      `%s`", res_str->str);
-       }
-
-end:
-       argpar_parse_ret_fini(&parse_ret);
-       g_string_free(res_str, TRUE);
-       g_strfreev(argv);
-}
-
-/*
- * Parses `cmdline` with the iterator API using the option descriptors
- * `descrs`, and ensures that the resulting effective command line is
- * `expected_cmd_line` and that the number of ingested original
- * arguments is `expected_ingested_orig_args`.
- *
- * This function splits `cmdline` on spaces to create an original
- * argument array.
- *
- * This function builds the resulting command line from parsing items
- * by space-separating each formatted item (see append_to_res_str()).
- */
-static
-void test_succeed_argpar_iter(const char * const cmdline,
+void test_succeed(const char * const cmdline,
                const char * const expected_cmd_line,
                const struct argpar_opt_descr * const descrs,
                const unsigned int expected_ingested_orig_args)
 {
        struct argpar_iter *iter = NULL;
        const struct argpar_item *item = NULL;
-       char *error = NULL;
+       const struct argpar_error *error = NULL;
        GString * const res_str = g_string_new(NULL);
        gchar ** const argv = g_strsplit(cmdline, " ", 0);
        unsigned int i, actual_ingested_orig_args;
@@ -184,39 +119,25 @@ void test_succeed_argpar_iter(const char * const cmdline,
        assert(iter);
 
        for (i = 0; ; i++) {
-               enum argpar_iter_parse_next_status status;
+               enum argpar_iter_next_status status;
 
                ARGPAR_ITEM_DESTROY_AND_RESET(item);
-               status = argpar_iter_parse_next(iter, &item, &error);
+               status = argpar_iter_next(iter, &item, &error);
 
-               ok(status == ARGPAR_ITER_PARSE_NEXT_STATUS_OK ||
-                       status == ARGPAR_ITER_PARSE_NEXT_STATUS_END ||
-                       status == ARGPAR_ITER_PARSE_NEXT_STATUS_ERROR_UNKNOWN_OPT,
-                       "argpar_iter_parse_next() returns the expected status "
+               ok(status == ARGPAR_ITER_NEXT_STATUS_OK ||
+                       status == ARGPAR_ITER_NEXT_STATUS_END,
+                       "argpar_iter_next() returns the expected status "
                        "(%d) for command line `%s` (call %u)",
                        status, cmdline, i + 1);
+               ok(!error,
+                       "argpar_iter_next() doesn't set an error for "
+                       "command line `%s` (call %u)",
+                       cmdline, i + 1);
 
-               if (status == ARGPAR_ITER_PARSE_NEXT_STATUS_ERROR_UNKNOWN_OPT) {
-                       ok(error,
-                               "argpar_iter_parse_next() sets an error for "
-                               "status `ARGPAR_ITER_PARSE_NEXT_STATUS_ERROR_UNKNOWN_OPT` "
-                               "and command line `%s` (call %u)",
-                               cmdline, i + 1);
-               } else {
-                       ok(!error,
-                               "argpar_iter_parse_next() doesn't set an error "
-                               "for other status than "
-                               "`ARGPAR_ITER_PARSE_NEXT_STATUS_ERROR_UNKNOWN_OPT` "
-                               "and command line `%s` (call %u)",
-                               cmdline, i + 1);
-               }
-
-               if (status == ARGPAR_ITER_PARSE_NEXT_STATUS_END ||
-                               status == ARGPAR_ITER_PARSE_NEXT_STATUS_ERROR_UNKNOWN_OPT) {
+               if (status == ARGPAR_ITER_NEXT_STATUS_END) {
                        ok(!item,
-                               "argpar_iter_parse_next() doesn't set an item "
-                               "for status `ARGPAR_ITER_PARSE_NEXT_STATUS_END` "
-                               "or `ARGPAR_ITER_PARSE_NEXT_STATUS_ERROR_UNKNOWN_OPT` "
+                               "argpar_iter_next() doesn't set an item "
+                               "for status `ARGPAR_ITER_NEXT_STATUS_END` "
                                "and command line `%s` (call %u)",
                                cmdline, i + 1);
                        break;
@@ -225,9 +146,9 @@ void test_succeed_argpar_iter(const char * const cmdline,
                append_to_res_str(res_str, item);
        }
 
-       actual_ingested_orig_args = argpar_iter_get_ingested_orig_args(iter);
+       actual_ingested_orig_args = argpar_iter_ingested_orig_args(iter);
        ok(actual_ingested_orig_args == expected_ingested_orig_args,
-               "argpar_iter_get_ingested_orig_args() returns the expected "
+               "argpar_iter_ingested_orig_args() returns the expected "
                "number of ingested original arguments for command line `%s`",
                cmdline);
 
@@ -237,7 +158,7 @@ void test_succeed_argpar_iter(const char * const cmdline,
        }
 
        ok(strcmp(expected_cmd_line, res_str->str) == 0,
-               "argpar_iter_parse_next() returns the expected parsing items "
+               "argpar_iter_next() returns the expected parsing items "
                "for command line `%s`", cmdline);
 
        if (strcmp(expected_cmd_line, res_str->str) != 0) {
@@ -247,25 +168,9 @@ void test_succeed_argpar_iter(const char * const cmdline,
 
        argpar_item_destroy(item);
        argpar_iter_destroy(iter);
+       assert(!error);
        g_string_free(res_str, TRUE);
        g_strfreev(argv);
-       free(error);
-}
-
-/*
- * Calls test_succeed_argpar_parse() and test_succeed_argpar_iter()
- * with the provided parameters.
- */
-static
-void test_succeed(const char * const cmdline,
-               const char * const expected_cmd_line,
-               const struct argpar_opt_descr * const descrs,
-               const unsigned int expected_ingested_orig_args)
-{
-       test_succeed_argpar_parse(cmdline, expected_cmd_line, descrs,
-               expected_ingested_orig_args);
-       test_succeed_argpar_iter(cmdline, expected_cmd_line, descrs,
-               expected_ingested_orig_args);
 }
 
 static
@@ -455,84 +360,6 @@ void succeed_tests(void)
                        descrs, 7);
        }
 
-       /* Unknown short option (space form) */
-       {
-               const struct argpar_opt_descr descrs[] = {
-                       { 0, 'd', NULL, true },
-                       ARGPAR_OPT_DESCR_SENTINEL
-               };
-
-               test_succeed(
-                       "-d salut -e -d meow",
-                       "-d salut",
-                       descrs, 2);
-       }
-
-       /* Unknown short option (glued form) */
-       {
-               const struct argpar_opt_descr descrs[] = {
-                       { 0, 'd', NULL, true },
-                       ARGPAR_OPT_DESCR_SENTINEL
-               };
-
-               test_succeed(
-                       "-dsalut -e -d meow",
-                       "-d salut",
-                       descrs, 1);
-       }
-
-       /* Unknown long option (space form) */
-       {
-               const struct argpar_opt_descr descrs[] = {
-                       { 0, '\0', "sink", true },
-                       ARGPAR_OPT_DESCR_SENTINEL
-               };
-
-               test_succeed(
-                       "--sink party --food --sink impulse",
-                       "--sink=party",
-                       descrs, 2);
-       }
-
-       /* Unknown long option (equal form) */
-       {
-               const struct argpar_opt_descr descrs[] = {
-                       { 0, '\0', "sink", true },
-                       ARGPAR_OPT_DESCR_SENTINEL
-               };
-
-               test_succeed(
-                       "--sink=party --food --sink=impulse",
-                       "--sink=party",
-                       descrs, 1);
-       }
-
-       /* Unknown option before non-option argument */
-       {
-               const struct argpar_opt_descr descrs[] = {
-                       { 0, '\0', "thumb", true },
-                       ARGPAR_OPT_DESCR_SENTINEL
-               };
-
-               test_succeed(
-                       "--thumb=party --food bateau --thumb waves",
-                       "--thumb=party",
-                       descrs, 1);
-       }
-
-       /* Unknown option after non-option argument */
-       {
-               const struct argpar_opt_descr descrs[] = {
-                       { 0, '\0', "thumb", true },
-                       ARGPAR_OPT_DESCR_SENTINEL
-               };
-
-               test_succeed(
-                       "--thumb=party wound --food --thumb waves",
-                       "--thumb=party wound<1,0>",
-                       descrs, 2);
-       }
-
        /* Valid `---opt` */
        {
                const struct argpar_opt_descr descrs[] = {
@@ -624,172 +451,247 @@ void succeed_tests(void)
                        "-f --yeah= -f",
                        descrs, 3);
        }
-}
 
-/*
- * Parses `cmdline` with argpar_parse() using the option descriptors
- * `descrs`, and ensures that the function fails and that it sets an
- * error which is equal to `expected_error`.
- *
- * This function splits `cmdline` on spaces to create an original
- * argument array.
- */
-static
-void test_fail_argpar_parse(const char * const cmdline,
-               const char * const expected_error,
-               const struct argpar_opt_descr * const descrs)
-{
-       struct argpar_parse_ret parse_ret;
-       gchar ** const argv = g_strsplit(cmdline, " ", 0);
-
-       parse_ret = argpar_parse(g_strv_length(argv),
-               (const char * const *) argv, descrs, true);
-       ok(!parse_ret.items,
-               "argpar_parse() fails for command line `%s`", cmdline);
-       ok(parse_ret.error,
-               "argpar_parse() sets an error string for command line `%s`",
-               cmdline);
+       /* `-` non-option argument */
+       {
+               const struct argpar_opt_descr descrs[] = {
+                       { 0, 'f', NULL, false },
+                       ARGPAR_OPT_DESCR_SENTINEL
+               };
 
-       if (parse_ret.items) {
-               fail("argpar_parse() sets the expected error string");
-               goto end;
+               test_succeed(
+                       "-f - -f",
+                       "-f -<1,0> -f",
+                       descrs, 3);
        }
 
-       ok(strcmp(expected_error, parse_ret.error) == 0,
-               "argpar_parse() sets the expected error string "
-               "for command line `%s`", cmdline);
+       /* `--` non-option argument */
+       {
+               const struct argpar_opt_descr descrs[] = {
+                       { 0, 'f', NULL, false },
+                       ARGPAR_OPT_DESCR_SENTINEL
+               };
 
-       if (strcmp(expected_error, parse_ret.error) != 0) {
-               diag("Expected: `%s`", expected_error);
-               diag("Got:      `%s`", parse_ret.error);
+               test_succeed(
+                       "-f -- -f",
+                       "-f --<1,0> -f",
+                       descrs, 3);
        }
 
-end:
-       argpar_parse_ret_fini(&parse_ret);
-       g_strfreev(argv);
+       /* Very long name of long option */
+       {
+               const char opt_name[] =
+                       "kale-chips-waistcoat-yr-bicycle-rights-gochujang-"
+                       "woke-tumeric-flexitarian-biodiesel-chillwave-cliche-"
+                       "ethical-cardigan-listicle-pok-pok-sustainable-live-"
+                       "edge-jianbing-gochujang-butcher-disrupt-tattooed-"
+                       "tumeric-prism-photo-booth-vape-kogi-jean-shorts-"
+                       "blog-williamsburg-fingerstache-palo-santo-artisan-"
+                       "affogato-occupy-skateboard-adaptogen-neutra-celiac-"
+                       "put-a-bird-on-it-kombucha-everyday-carry-hot-chicken-"
+                       "craft-beer-subway-tile-tote-bag-disrupt-selvage-"
+                       "raclette-art-party-readymade-paleo-heirloom-trust-"
+                       "fund-small-batch-kinfolk-woke-cardigan-prism-"
+                       "chambray-la-croix-hashtag-unicorn-edison-bulb-tbh-"
+                       "cornhole-cliche-tattooed-green-juice-adaptogen-"
+                       "kitsch-lo-fi-vexillologist-migas-gentrify-"
+                       "viral-raw-denim";
+               const struct argpar_opt_descr descrs[] = {
+                       { 0, '\0', opt_name, true },
+                       ARGPAR_OPT_DESCR_SENTINEL
+               };
+               char cmdline[1024];
+
+               sprintf(cmdline, "--%s=23", opt_name);
+               test_succeed(cmdline, cmdline, descrs, 1);
+       }
 }
 
 /*
- * Parses `cmdline` with the iterator API using the option descriptors
- * `descrs`, and ensures that argpar_iter_parse_next() fails and that it
- * sets an error which is equal to `expected_error`.
+ * Parses `cmdline` with the argpar API using the option descriptors
+ * `descrs`, and ensures that argpar_iter_next() fails with status
+ * `expected_status` and that it sets an error having:
+ *
+ * * The original argument index `expected_orig_index`.
+ *
+ * * If applicable:
+ *
+ *   * The unknown option name `expected_unknown_opt_name`.
+ *
+ *   * The option descriptor at index `expected_opt_descr_index` of
+ *     `descrs`.
+ *
+ *   * The option type `expected_is_short`.
  *
  * This function splits `cmdline` on spaces to create an original
  * argument array.
  */
 static
-void test_fail_argpar_iter(const char * const cmdline,
-               const char * const expected_error,
+void test_fail(const char * const cmdline,
+               const enum argpar_error_type expected_error_type,
+               const unsigned int expected_orig_index,
+               const char * const expected_unknown_opt_name,
+               const unsigned int expected_opt_descr_index,
+               const bool expected_is_short,
                const struct argpar_opt_descr * const descrs)
 {
        struct argpar_iter *iter = NULL;
        const struct argpar_item *item = NULL;
        gchar ** const argv = g_strsplit(cmdline, " ", 0);
        unsigned int i;
-       char *error = NULL;
+       const struct argpar_error *error = NULL;
 
        iter = argpar_iter_create(g_strv_length(argv),
                (const char * const *) argv, descrs);
        assert(iter);
 
        for (i = 0; ; i++) {
-               enum argpar_iter_parse_next_status status;
+               enum argpar_iter_next_status status;
 
                ARGPAR_ITEM_DESTROY_AND_RESET(item);
-               status = argpar_iter_parse_next(iter, &item, &error);
-
-               ok(status == ARGPAR_ITER_PARSE_NEXT_STATUS_OK ||
-                       status == ARGPAR_ITER_PARSE_NEXT_STATUS_ERROR ||
-                       status == ARGPAR_ITER_PARSE_NEXT_STATUS_ERROR_UNKNOWN_OPT,
-                       "argpar_iter_parse_next() returns the expected status "
-                       "(%d) for command line `%s` (call %u)",
-                       status, cmdline, i + 1);
-
-               if (status != ARGPAR_ITER_PARSE_NEXT_STATUS_OK) {
+               status = argpar_iter_next(iter, &item, &error);
+               ok(status == ARGPAR_ITER_NEXT_STATUS_OK ||
+                       (status == ARGPAR_ITER_NEXT_STATUS_ERROR &&
+                               argpar_error_type(error) == expected_error_type),
+                       "argpar_iter_next() returns the expected status "
+                       "and error type (%d) for command line `%s` (call %u)",
+                       expected_error_type, cmdline, i + 1);
+
+               if (status != ARGPAR_ITER_NEXT_STATUS_OK) {
                        ok(!item,
-                               "argpar_iter_parse_next() doesn't set an item "
+                               "argpar_iter_next() doesn't set an item "
                                "for other status than "
-                               "`ARGPAR_ITER_PARSE_NEXT_STATUS_OK` "
+                               "`ARGPAR_ITER_NEXT_STATUS_OK` "
                                "and command line `%s` (call %u)",
                                cmdline, i + 1);
                        ok(error,
-                               "argpar_iter_parse_next() sets an error for "
+                               "argpar_iter_next() sets an error for "
                                "other status than "
-                               " `ARGPAR_ITER_PARSE_NEXT_STATUS_OK` "
+                               " `ARGPAR_ITER_NEXT_STATUS_OK` "
                                "and command line `%s` (call %u)",
                                cmdline, i + 1);
+                       ok(argpar_error_orig_index(error) ==
+                               expected_orig_index,
+                               "argpar_iter_next() sets an error with "
+                               "the expected original argument index "
+                               "for command line `%s` (call %u)",
+                               cmdline, i + 1);
+
+                       if (argpar_error_type(error) == ARGPAR_ERROR_TYPE_UNKNOWN_OPT) {
+                               ok(strcmp(argpar_error_unknown_opt_name(error),
+                                       expected_unknown_opt_name) == 0,
+                                       "argpar_iter_next() sets an error with "
+                                       "the expected unknown option name "
+                                       "for command line `%s` (call %u)",
+                                       cmdline, i + 1);
+                       } else {
+                               bool is_short;
+
+                               ok(argpar_error_opt_descr(error, &is_short) ==
+                                       &descrs[expected_opt_descr_index],
+                                       "argpar_iter_next() sets an error with "
+                                       "the expected option descriptor "
+                                       "for command line `%s` (call %u)",
+                                       cmdline, i + 1);
+                               ok(is_short == expected_is_short,
+                                       "argpar_iter_next() sets an error with "
+                                       "the expected option type "
+                                       "for command line `%s` (call %u)",
+                                       cmdline, i + 1);
+                       }
                        break;
                }
 
                ok(item,
-                       "argpar_iter_parse_next() sets an item for status "
-                       "`ARGPAR_ITER_PARSE_NEXT_STATUS_OK` "
+                       "argpar_iter_next() sets an item for status "
+                       "`ARGPAR_ITER_NEXT_STATUS_OK` "
                        "and command line `%s` (call %u)",
                        cmdline, i + 1);
                ok(!error,
-                       "argpar_iter_parse_next() doesn't set an error for status "
-                       "`ARGPAR_ITER_PARSE_NEXT_STATUS_OK` "
+                       "argpar_iter_next() doesn't set an error for status "
+                       "`ARGPAR_ITER_NEXT_STATUS_OK` "
                        "and command line `%s` (call %u)",
                        cmdline, i + 1);
        }
 
+       /*
        ok(strcmp(expected_error, error) == 0,
-               "argpar_iter_parse_next() sets the expected error string "
+               "argpar_iter_next() sets the expected error string "
                "for command line `%s`", cmdline);
 
        if (strcmp(expected_error, error) != 0) {
                diag("Expected: `%s`", expected_error);
                diag("Got:      `%s`", error);
        }
+       */
 
        argpar_item_destroy(item);
        argpar_iter_destroy(iter);
-       free(error);
+       argpar_error_destroy(error);
        g_strfreev(argv);
 }
 
-/*
- * Calls test_fail_argpar_parse() and test_fail_argpar_iter() with the
- * provided parameters.
- */
-static
-void test_fail(const char * const cmdline, const char * const expected_error,
-               const struct argpar_opt_descr * const descrs)
-{
-       test_fail_argpar_parse(cmdline, expected_error, descrs);
-       test_fail_argpar_iter(cmdline, expected_error, descrs);
-}
-
 static
 void fail_tests(void)
 {
-       /* Unknown long option */
+
+       /* Unknown short option (space form) */
        {
                const struct argpar_opt_descr descrs[] = {
-                       { 0, '\0', "thumb", true },
+                       { 0, 'd', NULL, true },
                        ARGPAR_OPT_DESCR_SENTINEL
                };
 
                test_fail(
-                       "--thumb=party --meow",
-                       "While parsing argument #2 (`--meow`): Unknown option `--meow`",
+                       "-d salut -e -d meow",
+                       ARGPAR_ERROR_TYPE_UNKNOWN_OPT,
+                       2, "-e", 0, false,
                        descrs);
        }
 
-       /* Unknown short option */
+       /* Unknown short option (glued form) */
        {
                const struct argpar_opt_descr descrs[] = {
-                       { 0, '\0', "thumb", true },
+                       { 0, 'd', 0, true },
+                       ARGPAR_OPT_DESCR_SENTINEL
+               };
+
+               test_fail(
+                       "-dsalut -e -d meow",
+                       ARGPAR_ERROR_TYPE_UNKNOWN_OPT,
+                       1, "-e", 0, false,
+                       descrs);
+       }
+
+       /* Unknown long option (space form) */
+       {
+               const struct argpar_opt_descr descrs[] = {
+                       { 0, '\0', "sink", true },
                        ARGPAR_OPT_DESCR_SENTINEL
                };
 
                test_fail(
-                       "--thumb=party -x",
-                       "While parsing argument #2 (`-x`): Unknown option `-x`",
+                       "--sink party --food --sink impulse",
+                       ARGPAR_ERROR_TYPE_UNKNOWN_OPT,
+                       2, "--food", 0, false,
                        descrs);
        }
 
-       /* Missing long option argument */
+       /* Unknown long option (equal form) */
+       {
+               const struct argpar_opt_descr descrs[] = {
+                       { 0, '\0', "sink", true },
+                       ARGPAR_OPT_DESCR_SENTINEL
+               };
+
+               test_fail(
+                       "--sink=party --food --sink=impulse",
+                       ARGPAR_ERROR_TYPE_UNKNOWN_OPT,
+                       1, "--food", 0, false,
+                       descrs);
+       }
+
+       /* Unknown option before non-option argument */
        {
                const struct argpar_opt_descr descrs[] = {
                        { 0, '\0', "thumb", true },
@@ -797,55 +699,55 @@ void fail_tests(void)
                };
 
                test_fail(
-                       "--thumb",
-                       "While parsing argument #1 (`--thumb`): Missing required argument for option `--thumb`",
+                       "--thumb=party --food=18 bateau --thumb waves",
+                       ARGPAR_ERROR_TYPE_UNKNOWN_OPT,
+                       1, "--food", 0, false,
                        descrs);
        }
 
-       /* Missing short option argument */
+       /* Unknown option after non-option argument */
        {
                const struct argpar_opt_descr descrs[] = {
-                       { 0, 'k', NULL, true },
+                       { 0, '\0', "thumb", true },
                        ARGPAR_OPT_DESCR_SENTINEL
                };
 
                test_fail(
-                       "-k",
-                       "While parsing argument #1 (`-k`): Missing required argument for option `-k`",
+                       "--thumb=party wound --food --thumb waves",
+                       ARGPAR_ERROR_TYPE_UNKNOWN_OPT,
+                       2, "--food", 0, false,
                        descrs);
        }
 
-       /* Missing short option argument (multiple glued) */
+       /* Missing long option argument */
        {
                const struct argpar_opt_descr descrs[] = {
-                       { 0, 'a', NULL, false },
-                       { 0, 'b', NULL, false },
-                       { 0, 'c', NULL, true },
+                       { 0, '\0', "thumb", true },
                        ARGPAR_OPT_DESCR_SENTINEL
                };
 
                test_fail(
-                       "-abc",
-                       "While parsing argument #1 (`-abc`): Missing required argument for option `-c`",
+                       "allo --thumb",
+                       ARGPAR_ERROR_TYPE_MISSING_OPT_ARG,
+                       1, NULL, 0, false,
                        descrs);
        }
 
-       /* Invalid `-` */
+       /* Missing short option argument */
        {
                const struct argpar_opt_descr descrs[] = {
-                       { 0, 'a', NULL, false },
-                       { 0, 'b', NULL, false },
-                       { 0, 'c', NULL, true },
+                       { 0, 'k', NULL, true },
                        ARGPAR_OPT_DESCR_SENTINEL
                };
 
                test_fail(
-                       "-ab - -c",
-                       "While parsing argument #2 (`-`): Invalid argument",
+                       "zoom heille -k",
+                       ARGPAR_ERROR_TYPE_MISSING_OPT_ARG,
+                       2, NULL, 0, true,
                        descrs);
        }
 
-       /* Invalid `--` */
+       /* Missing short option argument (multiple glued) */
        {
                const struct argpar_opt_descr descrs[] = {
                        { 0, 'a', NULL, false },
@@ -855,11 +757,13 @@ void fail_tests(void)
                };
 
                test_fail(
-                       "-ab -- -c",
-                       "While parsing argument #2 (`--`): Invalid argument",
+                       "-abc",
+                       ARGPAR_ERROR_TYPE_MISSING_OPT_ARG,
+                       0, NULL, 2, true,
                        descrs);
        }
 
+       /* Unexpected long option argument */
        {
                const struct argpar_opt_descr descrs[] = {
                        { 0, 'c', "chevre", false },
@@ -867,15 +771,16 @@ void fail_tests(void)
                };
 
                test_fail(
-                       "--chevre=fromage",
-                       "While parsing argument #1 (`--chevre=fromage`): Unexpected argument for option `--chevre`",
+                       "ambulance --chevre=fromage tar -cjv",
+                       ARGPAR_ERROR_TYPE_UNEXPECTED_OPT_ARG,
+                       1, NULL, 0, false,
                        descrs);
        }
 }
 
 int main(void)
 {
-       plan_tests(419);
+       plan_tests(309);
        succeed_tests();
        fail_tests();
        return exit_status();
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