From 6af63e218750d58ad1a87643890cb49c2352c666 Mon Sep 17 00:00:00 2001
From: Mosder <xmosder12@gmail.com>
Date: Tue, 18 Aug 2026 18:42:53 +0200
Subject: feat: added return value to run_tests to determine whether all tests
 passed

---
 include/moslib/tester.h | 7 +++++--
 src/tester.c            | 6 ++++--
 2 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/include/moslib/tester.h b/include/moslib/tester.h
index 1d50473..9423684 100644
--- a/include/moslib/tester.h
+++ b/include/moslib/tester.h
@@ -67,7 +67,7 @@
 //
 // Run tests:
 //
-//      run_tests(tester);
+//      int all_passed = run_tests(tester);
 //
 // ----------------------------------------------------------------------------------------------------
 //
@@ -174,7 +174,10 @@ extern void mos_unsuppress_outputs(void);
 // Arguments:
 //   tester
 //     tester with tests to run
-extern void mos_run_tests(MosTester *tester);
+//
+// Returns:
+//   1 if all tests passed, 0 if not
+extern int mos_run_tests(MosTester *tester);
 
 // Free the tester
 //
diff --git a/src/tester.c b/src/tester.c
index eca4c1a..84c1ca6 100644
--- a/src/tester.c
+++ b/src/tester.c
@@ -166,9 +166,9 @@ void mos_add_test_fn(MosTestGroup *group, MosTestFn test, const char *name) {
     group->tests[group->n_tests++] = (TestName){.test = test, .name = name};
 }
 
-void mos_run_tests(MosTester *tester) {
+int mos_run_tests(MosTester *tester) {
     if (!tester)
-        return;
+        return 0;
 
     size_t total_passed = 0;
     size_t total_failed = 0;
@@ -220,6 +220,8 @@ void mos_run_tests(MosTester *tester) {
     sprintf(buf, "%zu FAILED", total_failed);
     print_center(buf, RED, ' ');
     print_center("END", WHITE, '=');
+
+    return total_failed == 0;
 }
 
 void mos_free_tester(MosTester *tester) {
-- 
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