src/math.h: Add max_size() function

1 files changed, 14 insertions, 0 deletions

diff --git a/tests/math.c b/tests/math.c
index 2aefa59..5dcebda 100644
--- a/tests/math.c
+++ b/tests/math.c
@@ -122,6 +122,19 @@ test_mul_size(void) {
 	}
 }
 
+static void
+test_max_size(void) {
+	test_start("max_size()");
+
+	{
+		testing("simplistic cases");
+		assert(max_size(0U, 0U) == 0U);
+		assert(max_size(1U, 0U) == 1U);
+		assert(max_size(10U, SIZE_MAX + 1U) == 10U);
+		test_ok();
+	}
+}
+
 
 int
 main(void) {
@@ -129,6 +142,7 @@ main(void) {
 
 	test_add_size();
 	test_mul_size();
+	test_max_size();
 
 	rc = EXIT_SUCCESS;
 	return rc;