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/* Copyright (C) 2013 BMW Group
* Author: Manfred Bathelt (manfred.bathelt@bmw.de)
* Author: Juergen Gehring (juergen.gehring@bmw.de)
* 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 <gtest/gtest.h>
#include <CommonAPI/SerializableVariant.h>
using namespace CommonAPI;
class VariantTest: public ::testing::Test {
protected:
typedef Variant<int, double, std::string> BasicVariantType;
void SetUp() {
fromInt = 5;
fromDouble = 12.344;
fromString = "123abcsadfaljkawlöfasklöerklöfjasklfjysklfjaskfjsklösdfdko4jdfasdjioögjopefgip3rtgjiprg!";
}
void TearDown() {
}
int fromInt;
double fromDouble;
std::string fromString;
};
TEST_F(VariantTest, HandlesInts) {
BasicVariantType myVariant(fromInt);
EXPECT_TRUE(myVariant.isType<int>());
EXPECT_FALSE(myVariant.isType<double>());
EXPECT_FALSE(myVariant.isType<std::string>());
const int myInt = myVariant.get<int>();
EXPECT_EQ(myInt, fromInt);
EXPECT_ANY_THROW(myVariant.get<double>());
EXPECT_ANY_THROW(myVariant.get<std::string>());
}
TEST_F(VariantTest, HandlesDoubles) {
BasicVariantType myVariant(fromDouble);
EXPECT_FALSE(myVariant.isType<int>());
EXPECT_TRUE(myVariant.isType<double>());
EXPECT_FALSE(myVariant.isType<std::string>());
EXPECT_ANY_THROW(myVariant.get<int>());
const double myDouble = myVariant.get<double>();
EXPECT_EQ(myDouble, fromDouble);
EXPECT_ANY_THROW(myVariant.get<std::string>());
}
TEST_F(VariantTest, HandlesStrings) {
BasicVariantType myVariant(fromString);
EXPECT_FALSE(myVariant.isType<int>());
EXPECT_FALSE(myVariant.isType<double>());
EXPECT_TRUE(myVariant.isType<std::string>());
EXPECT_ANY_THROW(myVariant.get<int>());
EXPECT_ANY_THROW(myVariant.get<double>());
const std::string myString = myVariant.get<std::string>();
EXPECT_EQ(myString, fromString);
}
TEST_F(VariantTest, HandlesStringVectors) {
typedef Variant<int, double, std::vector<std::string>> VectorVariantType;
std::vector<std::string> testVector;
for(int i = 0; i < 10; i++) {
testVector.push_back(fromString);
}
VectorVariantType vectorVariant(testVector);
const std::vector<std::string> resultVector = vectorVariant.get<std::vector<std::string>>();
EXPECT_EQ(resultVector, testVector);
}
TEST_F(VariantTest, HandlesAssignment) {
Variant<int, double, std::string> myVariant = fromInt;
myVariant = fromString;
EXPECT_FALSE(myVariant.isType<int>());
EXPECT_FALSE(myVariant.isType<double>());
EXPECT_TRUE(myVariant.isType<std::string>());
EXPECT_ANY_THROW(myVariant.get<int>());
const std::string myString = myVariant.get<std::string>();
EXPECT_EQ(myString, fromString);
}
TEST_F(VariantTest, HandlesVariantConstructionByAssignment) {
Variant<int, double, std::string> myVariant = fromInt;
EXPECT_TRUE(myVariant.isType<int>());
EXPECT_FALSE(myVariant.isType<double>());
EXPECT_FALSE(myVariant.isType<std::string>());
const int myInt = myVariant.get<int>();
EXPECT_EQ(myInt, fromInt);
}
TEST_F(VariantTest, HandlesVariantCopy) {
BasicVariantType myVariant(fromInt);
Variant<int, double, std::string> myVariantAssigned = myVariant;
EXPECT_TRUE(myVariantAssigned.isType<int>());
EXPECT_FALSE(myVariantAssigned.isType<double>());
EXPECT_FALSE(myVariantAssigned.isType<std::string>());
const int myInt2 = myVariantAssigned.get<int>();
EXPECT_EQ(myInt2, fromInt);
Variant<int, double, std::string> myVariantCopied(myVariant);
EXPECT_EQ(myVariant, myVariantCopied);
EXPECT_TRUE(myVariantCopied.isType<int>());
EXPECT_FALSE(myVariantCopied.isType<double>());
EXPECT_FALSE(myVariantCopied.isType<std::string>());
const int& myIntCopy = myVariantCopied.get<int>();
EXPECT_EQ(myIntCopy, fromInt);
}
TEST_F(VariantTest, HandlesVariantsWithinVariants) {
typedef Variant<int, double, BasicVariantType > VariantInVariantType;
BasicVariantType fromInnerVariant(fromInt);
VariantInVariantType myOuterVariant(fromInnerVariant);
EXPECT_FALSE(myOuterVariant.isType<int>());
EXPECT_FALSE(myOuterVariant.isType<double>());
EXPECT_TRUE(myOuterVariant.isType<BasicVariantType>());
EXPECT_ANY_THROW(myOuterVariant.get<int>());
EXPECT_ANY_THROW(myOuterVariant.get<double>());
const BasicVariantType myInnerVariant = myOuterVariant.get<BasicVariantType>();
EXPECT_EQ(fromInnerVariant, myInnerVariant);
}
TEST_F(VariantTest, VariantStringArray) {
std::vector<std::string> testVector;
testVector.push_back("Test 1");
testVector.push_back("Test 2");
testVector.push_back("Test 3");
testVector.push_back("Test 4");
CommonAPI::Variant<int, double, std::vector<std::string>>* vectorVariant = new CommonAPI::Variant<int, double, std::vector<std::string>>(testVector);
std::vector<std::string> readVector = vectorVariant->get<std::vector<std::string> >();
EXPECT_EQ(readVector, testVector);
delete vectorVariant;
}
#ifndef WIN32
int main(int argc, char** argv) {
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}
#endif
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