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-rw-r--r--t/helper/test-parse-options.c104
1 files changed, 104 insertions, 0 deletions
diff --git a/t/helper/test-parse-options.c b/t/helper/test-parse-options.c
new file mode 100644
index 0000000000..2c8c8f18ed
--- /dev/null
+++ b/t/helper/test-parse-options.c
@@ -0,0 +1,104 @@
+#include "cache.h"
+#include "parse-options.h"
+#include "string-list.h"
+
+static int boolean = 0;
+static int integer = 0;
+static unsigned long magnitude = 0;
+static unsigned long timestamp;
+static int abbrev = 7;
+static int verbose = 0, dry_run = 0, quiet = 0;
+static char *string = NULL;
+static char *file = NULL;
+static int ambiguous;
+static struct string_list list;
+
+static int length_callback(const struct option *opt, const char *arg, int unset)
+{
+ printf("Callback: \"%s\", %d\n",
+ (arg ? arg : "not set"), unset);
+ if (unset)
+ return 1; /* do not support unset */
+
+ *(int *)opt->value = strlen(arg);
+ return 0;
+}
+
+static int number_callback(const struct option *opt, const char *arg, int unset)
+{
+ *(int *)opt->value = strtol(arg, NULL, 10);
+ return 0;
+}
+
+int main(int argc, char **argv)
+{
+ const char *prefix = "prefix/";
+ const char *usage[] = {
+ "test-parse-options <options>",
+ NULL
+ };
+ struct option options[] = {
+ OPT_BOOL(0, "yes", &boolean, "get a boolean"),
+ OPT_BOOL('D', "no-doubt", &boolean, "begins with 'no-'"),
+ { OPTION_SET_INT, 'B', "no-fear", &boolean, NULL,
+ "be brave", PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, 1 },
+ OPT_COUNTUP('b', "boolean", &boolean, "increment by one"),
+ OPT_BIT('4', "or4", &boolean,
+ "bitwise-or boolean with ...0100", 4),
+ OPT_NEGBIT(0, "neg-or4", &boolean, "same as --no-or4", 4),
+ OPT_GROUP(""),
+ OPT_INTEGER('i', "integer", &integer, "get a integer"),
+ OPT_INTEGER('j', NULL, &integer, "get a integer, too"),
+ OPT_MAGNITUDE('m', "magnitude", &magnitude, "get a magnitude"),
+ OPT_SET_INT(0, "set23", &integer, "set integer to 23", 23),
+ OPT_DATE('t', NULL, &timestamp, "get timestamp of <time>"),
+ OPT_CALLBACK('L', "length", &integer, "str",
+ "get length of <str>", length_callback),
+ OPT_FILENAME('F', "file", &file, "set file to <file>"),
+ OPT_GROUP("String options"),
+ OPT_STRING('s', "string", &string, "string", "get a string"),
+ OPT_STRING(0, "string2", &string, "str", "get another string"),
+ OPT_STRING(0, "st", &string, "st", "get another string (pervert ordering)"),
+ OPT_STRING('o', NULL, &string, "str", "get another string"),
+ OPT_NOOP_NOARG(0, "obsolete"),
+ OPT_STRING_LIST(0, "list", &list, "str", "add str to list"),
+ OPT_GROUP("Magic arguments"),
+ OPT_ARGUMENT("quux", "means --quux"),
+ OPT_NUMBER_CALLBACK(&integer, "set integer to NUM",
+ number_callback),
+ { OPTION_COUNTUP, '+', NULL, &boolean, NULL, "same as -b",
+ PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_NODASH },
+ { OPTION_COUNTUP, 0, "ambiguous", &ambiguous, NULL,
+ "positive ambiguity", PARSE_OPT_NOARG | PARSE_OPT_NONEG },
+ { OPTION_COUNTUP, 0, "no-ambiguous", &ambiguous, NULL,
+ "negative ambiguity", PARSE_OPT_NOARG | PARSE_OPT_NONEG },
+ OPT_GROUP("Standard options"),
+ OPT__ABBREV(&abbrev),
+ OPT__VERBOSE(&verbose, "be verbose"),
+ OPT__DRY_RUN(&dry_run, "dry run"),
+ OPT__QUIET(&quiet, "be quiet"),
+ OPT_END(),
+ };
+ int i;
+
+ argc = parse_options(argc, (const char **)argv, prefix, options, usage, 0);
+
+ printf("boolean: %d\n", boolean);
+ printf("integer: %d\n", integer);
+ printf("magnitude: %lu\n", magnitude);
+ printf("timestamp: %lu\n", timestamp);
+ printf("string: %s\n", string ? string : "(not set)");
+ printf("abbrev: %d\n", abbrev);
+ printf("verbose: %d\n", verbose);
+ printf("quiet: %s\n", quiet ? "yes" : "no");
+ printf("dry run: %s\n", dry_run ? "yes" : "no");
+ printf("file: %s\n", file ? file : "(not set)");
+
+ for (i = 0; i < list.nr; i++)
+ printf("list: %s\n", list.items[i].string);
+
+ for (i = 0; i < argc; i++)
+ printf("arg %02d: %s\n", i, argv[i]);
+
+ return 0;
+}