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#include "clang/AST/UnresolvedSet.h"
#include "clang/AST/Decl.h"
#include "gtest/gtest.h"
using namespace clang;
class UnresolvedSetTest : public ::testing::Test {
protected:
// For this test we don't care about the contents of the NamedDecl,
// so just use a dummy struct of appropriate size and alignment.
struct alignas(NamedDecl) DummyDecl {
char contents[sizeof(NamedDecl)];
};
DummyDecl d0, d1, d2, d3;
NamedDecl *n0, *n1, *n2, *n3;
UnresolvedSet<2> set;
void SetUp() override {
n0 = reinterpret_cast<NamedDecl*>(&d0);
n1 = reinterpret_cast<NamedDecl*>(&d1);
n2 = reinterpret_cast<NamedDecl*>(&d2);
n3 = reinterpret_cast<NamedDecl*>(&d3);
set.addDecl(n0);
set.addDecl(n1);
set.addDecl(n2);
set.addDecl(n3);
}
};
TEST_F(UnresolvedSetTest, Size) { EXPECT_EQ(set.size(), 4u); }
TEST_F(UnresolvedSetTest, ArrayOperator) {
EXPECT_EQ(set[0].getDecl(), n0);
EXPECT_EQ(set[1].getDecl(), n1);
EXPECT_EQ(set[2].getDecl(), n2);
EXPECT_EQ(set[3].getDecl(), n3);
}
TEST_F(UnresolvedSetTest, EraseIntegerFromStart) {
set.erase(0);
EXPECT_EQ(set.size(), 3u);
EXPECT_EQ(set[0].getDecl(), n3);
EXPECT_EQ(set[1].getDecl(), n1);
EXPECT_EQ(set[2].getDecl(), n2);
set.erase(0);
EXPECT_EQ(set.size(), 2u);
EXPECT_EQ(set[0].getDecl(), n2);
EXPECT_EQ(set[1].getDecl(), n1);
set.erase(0);
EXPECT_EQ(set.size(), 1u);
EXPECT_EQ(set[0].getDecl(), n1);
set.erase(0);
EXPECT_EQ(set.size(), 0u);
}
TEST_F(UnresolvedSetTest, EraseIntegerFromEnd) {
set.erase(3);
EXPECT_EQ(set.size(), 3u);
EXPECT_EQ(set[0].getDecl(), n0);
EXPECT_EQ(set[1].getDecl(), n1);
EXPECT_EQ(set[2].getDecl(), n2);
set.erase(2);
EXPECT_EQ(set.size(), 2u);
EXPECT_EQ(set[0].getDecl(), n0);
EXPECT_EQ(set[1].getDecl(), n1);
set.erase(1);
EXPECT_EQ(set.size(), 1u);
EXPECT_EQ(set[0].getDecl(), n0);
set.erase(0);
EXPECT_EQ(set.size(), 0u);
}
TEST_F(UnresolvedSetTest, EraseIteratorFromStart) {
set.erase(set.begin());
EXPECT_EQ(set.size(), 3u);
EXPECT_EQ(set[0].getDecl(), n3);
EXPECT_EQ(set[1].getDecl(), n1);
EXPECT_EQ(set[2].getDecl(), n2);
set.erase(set.begin());
EXPECT_EQ(set.size(), 2u);
EXPECT_EQ(set[0].getDecl(), n2);
EXPECT_EQ(set[1].getDecl(), n1);
set.erase(set.begin());
EXPECT_EQ(set.size(), 1u);
EXPECT_EQ(set[0].getDecl(), n1);
set.erase(set.begin());
EXPECT_EQ(set.size(), 0u);
}
TEST_F(UnresolvedSetTest, EraseIteratorFromEnd) {
set.erase(--set.end());
EXPECT_EQ(set.size(), 3u);
EXPECT_EQ(set[0].getDecl(), n0);
EXPECT_EQ(set[1].getDecl(), n1);
EXPECT_EQ(set[2].getDecl(), n2);
set.erase(--set.end());
EXPECT_EQ(set.size(), 2u);
EXPECT_EQ(set[0].getDecl(), n0);
EXPECT_EQ(set[1].getDecl(), n1);
set.erase(--set.end());
EXPECT_EQ(set.size(), 1u);
EXPECT_EQ(set[0].getDecl(), n0);
set.erase(--set.end());
EXPECT_EQ(set.size(), 0u);
}
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