M src/gb/test/gb.c → src/gb/test/gb.c

@@ -7,12 +7,14 @@ #include "util/test/suite.h"
 
 M_TEST_SUITE_DECLARE(GBCore);
 M_TEST_SUITE_DECLARE(GBMBC);
+M_TEST_SUITE_DECLARE(GBMemory);
 M_TEST_SUITE_DECLARE(GBRTC);
 
 int TestRunGB(void) {
 	int failures = 0;
 	failures += M_TEST_SUITE_RUN(GBCore);
 	failures += M_TEST_SUITE_RUN(GBMBC);
+	failures += M_TEST_SUITE_RUN(GBMemory);
 	failures += M_TEST_SUITE_RUN(GBRTC);
 	return failures;
 }

A src/gb/test/memory.c

@@ -0,0 +1,78 @@
+/* Copyright (c) 2013-2016 Jeffrey Pfau
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+#include "util/test/suite.h"
+
+#include "core/core.h"
+#include "gb/core.h"
+#include "gb/gb.h"
+#include "gb/mbc.h"
+#include "util/vfs.h"
+
+M_TEST_SUITE_SETUP(GBMemory) {
+	struct VFile* vf = VFileMemChunk(NULL, GB_SIZE_CART_BANK0 * 4);
+	GBSynthesizeROM(vf);
+	struct mCore* core = GBCoreCreate();
+	core->init(core);
+	core->loadROM(core, vf);
+	*state = core;
+	return 0;
+}
+
+M_TEST_SUITE_TEARDOWN(GBMemory) {
+	if (!*state) {
+		return 0;
+	}
+	struct mCore* core = *state;
+	core->deinit(core);
+	return 0;
+}
+
+M_TEST_DEFINE(patchROMBank0) {
+	struct mCore* core = *state;
+	struct GB* gb = core->board;
+	int8_t oldExpected = gb->memory.rom[0];
+	int8_t old;
+	int8_t newExpected = 0x40;
+
+	core->reset(core);
+	GBPatch8(gb->cpu, 0, newExpected, &old, 0);
+	assert_int_equal(old, oldExpected);
+	assert_int_equal(gb->memory.rom[0], newExpected);
+	assert_int_equal(GBView8(gb->cpu, 0, 0), newExpected);
+}
+
+M_TEST_DEFINE(patchROMBank1) {
+	struct mCore* core = *state;
+	struct GB* gb = core->board;
+	int8_t oldExpected = gb->memory.rom[GB_SIZE_CART_BANK0];
+	int8_t old;
+	int8_t newExpected = 0x41;
+
+	core->reset(core);
+	GBPatch8(gb->cpu, GB_SIZE_CART_BANK0, newExpected, &old, 1);
+	assert_int_equal(old, oldExpected);
+	assert_int_equal(gb->memory.rom[GB_SIZE_CART_BANK0], newExpected);
+	assert_int_equal(GBView8(gb->cpu, GB_SIZE_CART_BANK0, 1), newExpected);
+}
+
+M_TEST_DEFINE(patchROMBank2) {
+	struct mCore* core = *state;
+	struct GB* gb = core->board;
+	int8_t oldExpected = gb->memory.rom[GB_SIZE_CART_BANK0 * 2];
+	int8_t old;
+	int8_t newExpected = 0x42;
+
+	core->reset(core);
+	GBPatch8(gb->cpu, GB_SIZE_CART_BANK0, newExpected, &old, 2);
+	assert_int_equal(old, oldExpected);
+	assert_int_equal(gb->memory.rom[GB_SIZE_CART_BANK0 * 2], newExpected);
+	assert_int_equal(GBView8(gb->cpu, GB_SIZE_CART_BANK0, 2), newExpected);
+}
+
+M_TEST_SUITE_DEFINE_SETUP_TEARDOWN(GBMemory,
+	cmocka_unit_test(patchROMBank0),
+	cmocka_unit_test(patchROMBank1),
+	cmocka_unit_test(patchROMBank2))