test: add asm_test for snes_asm::Script

test/asm_test.cc

@@ -0,0 +1,48 @@
+#include <asardll.h>
+#include <gmock/gmock.h>
+#include <gtest/gtest.h>
+
+#include <array>
+#include <cstdint>
+#include <fstream>
+#include <sstream>
+#include <string>
+
+#include "absl/status/status.h"
+#include "absl/status/statusor.h"
+#include "absl/strings/str_cat.h"
+#include "absl/strings/string_view.h"
+#include "app/asm/script.h"
+#include "app/core/constants.h"
+#include "app/rom.h"
+
+namespace yaze_test {
+namespace asm_test {
+
+using yaze::app::ROM;
+using yaze::app::snes_asm::Script;
+
+using ::testing::_;
+using ::testing::ElementsAreArray;
+using ::testing::Return;
+using ::testing::TypedEq;
+
+class MockScript : public Script {
+ public:
+  MOCK_METHOD(absl::Status, ApplyPatchToROM, (ROM & rom));
+};
+
+TEST(ASMTest, NoPatchLoadedError) {
+  ROM rom;
+  MockScript script;
+  EXPECT_CALL(script, ApplyPatchToROM(_))
+      .WillOnce(Return(absl::InvalidArgumentError("No patch loaded!")));
+
+  EXPECT_THAT(script.ApplyPatchToROM(rom),
+              absl::InvalidArgumentError("No patch loaded!"));
+}
+
+TEST(ASMTest, ApplyPatchOk) {}
+
+}  // namespace asm_test
+}  // namespace yaze_test