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//===----------- ImmutableMapTest.cpp - ImmutableMap unit tests ------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "llvm/ADT/ImmutableMap.h"
#include "gtest/gtest.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());
}
}
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