Add tests for b_ndebug=if-release and buildtype default options

Co-authored-by: David Seifert <soap@gentoo.org>

test cases/common/185 ndebug if-release enabled/main.c

@@ -0,0 +1,15 @@
+#include <assert.h>
+#include <stdlib.h>
+
+int meson_test_side_effect = EXIT_FAILURE;
+
+int meson_test_set_side_effect(void) {
+    meson_test_side_effect = EXIT_SUCCESS;
+    return 1;
+}
+
+int main(void) {
+    // meson_test_side_effect is set only if assert is executed
+    assert(meson_test_set_side_effect());
+    return meson_test_side_effect;
+}

test cases/common/185 ndebug if-release enabled/meson.build

@@ -0,0 +1,7 @@
+project('ndebug enabled', 'c',
+        default_options : [
+          'buildtype=debugoptimized',
+          'b_ndebug=if-release',
+        ])
+
+test('exe', executable('main', 'main.c'))

test cases/common/186 ndebug if-release disabled/main.c

@@ -0,0 +1,7 @@
+#include <assert.h>
+#include <stdlib.h>
+
+int main(void) {
+    assert(0);
+    return EXIT_SUCCESS;
+}

test cases/common/186 ndebug if-release disabled/meson.build

@@ -0,0 +1,7 @@
+project('ndebug disabled', 'c',
+        default_options : [
+          'buildtype=release',
+          'b_ndebug=if-release',
+        ])
+
+test('exe', executable('main', 'main.c'))