1 files changed, 105 insertions, 0 deletions
diff --git a/libs/cargs/test/main.c b/libs/cargs/test/main.c
new file mode 100755
index 0000000..229cf80
--- /dev/null
+++ b/libs/cargs/test/main.c
@@ -0,0 +1,105 @@
+#include "definitions.h"
+#include <cargs.h>
+#include <memory.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+struct cag_test
+{
+  const char *unit_name;
+  const char *test_name;
+  const char *full_name;
+  int (*fn)(void);
+};
+
+static struct cag_test tests[] = {
+#define XX(u, t)                                                               \
+  {.unit_name = #u, .test_name = #t, .full_name = #u "/" #t, .fn = u##_##t},
+  UNIT_TESTS(XX)
+#undef XX
+};
+
+static int call_test(struct cag_test *test)
+{
+  size_t i;
+
+  printf(" Running '%s' ", test->full_name);
+  for (i = strlen(test->full_name); i < 40; ++i) {
+    fputs(".", stdout);
+  }
+
+  if (test->fn() == EXIT_FAILURE) {
+    fputs(" FAILURE\n", stdout);
+    return EXIT_FAILURE;
+  }
+
+  fputs(" SUCCESS\n", stdout);
+  return EXIT_SUCCESS;
+}
+
+int main(int argc, char *argv[])
+{
+  size_t i, count, failed, succeeded;
+  const char *requested_unit_name, *requested_test_name;
+  struct cag_test *test;
+  double rate;
+
+  count = 0;
+  failed = 0;
+  if (argc < 2) {
+    fputs("No unit specified. Running all tests.\n\n", stdout);
+    for (i = 0; i < CAG_ARRAY_SIZE(tests); ++i) {
+      test = &tests[i];
+      ++count;
+      if (call_test(test) == EXIT_FAILURE) {
+        ++failed;
+      }
+    }
+  } else if (argc < 3) {
+    requested_unit_name = argv[1];
+    printf("Running all unit tests of '%s'.\n\n", requested_unit_name);
+    for (i = 0; i < CAG_ARRAY_SIZE(tests); ++i) {
+      test = &tests[i];
+      if (strcmp(test->unit_name, requested_unit_name) == 0) {
+        ++count;
+        if (call_test(test) == EXIT_FAILURE) {
+          ++failed;
+        }
+      }
+    }
+  } else {
+    requested_unit_name = argv[1];
+    requested_test_name = argv[2];
+    printf("Running a single test '%s/%s'.\n\n", requested_unit_name,
+      requested_test_name);
+    for (i = 0; i < CAG_ARRAY_SIZE(tests); ++i) {
+      test = &tests[i];
+      if (strcmp(test->unit_name, requested_unit_name) == 0 &&
+          strcmp(test->test_name, requested_test_name) == 0) {
+        ++count;
+        if (call_test(test) == EXIT_FAILURE) {
+          ++failed;
+        }
+      }
+    }
+  }
+
+  if (count == 1) {
+    fputs("\nThe test has been executed.\n", stdout);
+  } else if (count > 0) {
+    succeeded = count - failed;
+    rate = (double)succeeded / (double)count * 100;
+    printf("\n%zu/%zu (%.2f%%) of those tests succeeded.\n", succeeded, count,
+      rate);
+  } else {
+    printf("\nNo tests found.\n");
+    return EXIT_FAILURE;
+  }
+
+  if (failed > 0) {
+    return EXIT_FAILURE;
+  }
+
+  return EXIT_SUCCESS;
+}