69 lines
1.3 KiB
C++
69 lines
1.3 KiB
C++
#include "StarVariant.hpp"
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#include "StarMaybe.hpp"
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#include "gtest/gtest.h"
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using namespace Star;
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TEST(VariantTest, All) {
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struct VariantTester {
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shared_ptr<int> intptr;
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};
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MVariant<int, double, char, VariantTester> a, b;
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EXPECT_EQ(a.typeIndex(), 0);
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a = 'c';
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EXPECT_EQ(a.typeIndex(), 3u);
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EXPECT_TRUE(a.is<char>());
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a.makeType(1);
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EXPECT_EQ(a.get<int>(), 0);
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EXPECT_TRUE(a.is<int>());
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a = b;
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EXPECT_TRUE(a.empty());
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shared_ptr<int> intptr = make_shared<int>(42);
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a = VariantTester{intptr};
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b = VariantTester{intptr};
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a = b;
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a = a;
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b = move(a);
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a = move(b);
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EXPECT_EQ(intptr.use_count(), 2);
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a.reset();
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EXPECT_EQ(intptr.use_count(), 1);
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Variant<int, double, char> v(1.0);
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MVariant<int, double, char> mv(v);
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EXPECT_EQ(mv, 1.0);
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v = 2;
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mv = v;
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EXPECT_EQ(mv, 2);
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mv = '3';
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v = mv.takeValue();
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EXPECT_EQ(v, '3');
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EXPECT_TRUE(mv.empty());
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}
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TEST(MaybeTest, All) {
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struct MaybeTester {
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shared_ptr<int> intptr;
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};
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Maybe<MaybeTester> a, b;
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EXPECT_FALSE(a.isValid());
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shared_ptr<int> intptr = make_shared<int>(42);
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a = MaybeTester{intptr};
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b = MaybeTester{intptr};
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EXPECT_TRUE(a.isValid());
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a = b;
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a = a;
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b = move(a);
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a = move(b);
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EXPECT_EQ(intptr.use_count(), 2);
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a = {};
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EXPECT_FALSE(a.isValid());
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EXPECT_EQ(intptr.use_count(), 1);
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}
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