Add IniReader, IniWriter tests

test/tests/IniReaderTest.cpp

@@ -0,0 +1,66 @@
+#include <gtest/gtest.h>
+#include <limits>
+#include "openrct2/config/ConfigEnum.hpp"
+#include "openrct2/config/IniReader.hpp"
+#include "openrct2/core/MemoryStream.h"
+#include "openrct2/core/Util.hpp"
+
+class IniReaderTest : public testing::Test
+{
+protected:
+    static const utf8 predefined[];
+};
+
+static auto Enum_Currency = ConfigEnum<sint32>({});
+
+TEST_F(IniReaderTest, create_empty)
+{
+    MemoryStream * ms = new MemoryStream(0);
+    ASSERT_NE(ms, nullptr);
+    ASSERT_EQ(ms->CanRead(), true);
+    ASSERT_EQ(ms->CanWrite(), true);
+    IIniReader * ir = CreateIniReader(ms);
+    ASSERT_NE(ir, nullptr);
+    ASSERT_EQ(ir->GetBoolean("nobody", true), true);
+    ASSERT_EQ(ir->GetCString("expects", nullptr), nullptr);
+    ASSERT_EQ(ir->GetEnum<sint32>("spanish", 12345, Enum_Currency), 12345);
+    ASSERT_EQ(ir->GetFloat("inquisition", 1.234f), 1.234f);
+    ASSERT_EQ(ir->GetSint32("universal_answer", 42), 42);
+    delete ir;
+    delete ms;
+}
+
+TEST_F(IniReaderTest, read_prepared)
+{
+    MemoryStream * ms = new MemoryStream(predefined, 99);
+    ASSERT_NE(ms, nullptr);
+    ASSERT_EQ(ms->CanRead(), true);
+    ASSERT_EQ(ms->CanWrite(), false);
+    IIniReader * ir = CreateIniReader(ms);
+    ASSERT_NE(ir, nullptr);
+    ASSERT_EQ(ir->ReadSection("doesnt_exist"), false);
+    ASSERT_EQ(ir->ReadSection("bool"), true);
+    // name of section
+    ASSERT_EQ(ir->GetSint32("bool", 42), 42);
+    // value from different section
+    ASSERT_EQ(ir->GetSint32("one", 42), 42);
+    // existing value as different type
+    EXPECT_THROW(ir->GetSint32("boolval", 42), std::invalid_argument);
+    ASSERT_EQ(ir->GetBoolean("boolval", false), true);
+    // skip one section
+    ASSERT_EQ(ir->ReadSection("string"), true);
+    // values from different sections
+    ASSERT_EQ(ir->GetSint32("one", 42), 42);
+    ASSERT_EQ(ir->GetBoolean("boolval", false), true);
+    const utf8 * str = ir->GetCString("path", nullptr);
+    ASSERT_STREQ(str, u8"C:'\\some/dir\\here/神鷹暢遊");
+    Memory::Free(str);
+    // go backa section
+    ASSERT_EQ(ir->ReadSection("int"), true);
+    ASSERT_EQ(ir->GetSint32("one", 42), 1);
+    delete ir;
+    delete ms;
+}
+
+const utf8 IniReaderTest::predefined[] = "[bool]\nboolval = true\n\n[int]\none = 1\nzero = 0\n\n[string]\npath = "
+                                         "\"C:'\\\\some/dir\\\\here/\xE7\xA5\x9E\xE9\xB7\xB9\xE6\x9A\xA2\xE9\x81\x8A\"\n";