Adding unit tests.

src/dawn/util/CMakeLists.txt

@@ -10,3 +10,14 @@ target_sources(${DAWN_TARGET_NAME}
     UsageLock.cpp
     Xml.cpp
 )
+
+
+# Tests
+target_sources(dawntests
+  PRIVATE
+    memory.cpp
+    UsageLock.cpp
+    Xml.cpp
+    
+    _test_.memory.cpp
+)

src/dawn/util/_test_.memory.cpp

@@ -0,0 +1,27 @@
+// Copyright (c) 2023 Dominic Masters
+// 
+// This software is released under the MIT License.
+// https://opensource.org/licenses/MIT
+
+#include <catch2/catch_test_macros.hpp>
+#include "util/memory.hpp"
+#include "assert/assert.hpp"
+
+TEST_CASE("memorycallMalloc", "[memory]") {
+  SECTION("memory isn't null") {
+    void *p = memoryCallMalloc(10);
+    REQUIRE(p != nullptr);
+    REQUIRE(p != NULL);
+    memoryCallFree(p);
+  }
+
+  SECTION("memory is writeable") {
+    void *p = memoryCallMalloc(10);
+    for(int i = 0; i < 10; i++) {
+      ((char*)p)[i] = 'a';
+    }
+    REQUIRE(((char*)p)[0] == 'a');
+    REQUIRE(((char*)p)[9] == 'a');
+    memoryCallFree(p);
+  }
+}