llvm/unittests/ADT/ImmutableMapTest.cpp
Craig Topper b177041dfa [C++11] Use 'nullptr'.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210442 91177308-0d34-0410-b5e6-96231b3b80d8
2014-06-08 22:29:17 +00:00

51 lines
1.3 KiB
C++

//===----------- ImmutableMapTest.cpp - ImmutableMap unit tests ------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "gtest/gtest.h"
#include "llvm/ADT/ImmutableMap.h"
using namespace llvm;
namespace {
TEST(ImmutableMapTest, EmptyIntMapTest) {
ImmutableMap<int, int>::Factory f;
EXPECT_TRUE(f.getEmptyMap() == f.getEmptyMap());
EXPECT_FALSE(f.getEmptyMap() != f.getEmptyMap());
EXPECT_TRUE(f.getEmptyMap().isEmpty());
ImmutableMap<int, int> S = f.getEmptyMap();
EXPECT_EQ(0u, S.getHeight());
EXPECT_TRUE(S.begin() == S.end());
EXPECT_FALSE(S.begin() != S.end());
}
TEST(ImmutableMapTest, MultiElemIntMapTest) {
ImmutableMap<int, int>::Factory f;
ImmutableMap<int, int> S = f.getEmptyMap();
ImmutableMap<int, int> S2 = f.add(f.add(f.add(S, 3, 10), 4, 11), 5, 12);
EXPECT_TRUE(S.isEmpty());
EXPECT_FALSE(S2.isEmpty());
EXPECT_EQ(nullptr, S.lookup(3));
EXPECT_EQ(nullptr, S.lookup(9));
EXPECT_EQ(10, *S2.lookup(3));
EXPECT_EQ(11, *S2.lookup(4));
EXPECT_EQ(12, *S2.lookup(5));
EXPECT_EQ(5, S2.getMaxElement()->first);
EXPECT_EQ(3U, S2.getHeight());
}
}