50 lines
1.3 KiB
C++
50 lines
1.3 KiB
C++
//===----------- ImmutableMapTest.cpp - ImmutableMap unit tests ------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/ADT/ImmutableMap.h"
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#include "gtest/gtest.h"
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using namespace llvm;
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namespace {
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TEST(ImmutableMapTest, EmptyIntMapTest) {
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ImmutableMap<int, int>::Factory f;
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EXPECT_TRUE(f.getEmptyMap() == f.getEmptyMap());
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EXPECT_FALSE(f.getEmptyMap() != f.getEmptyMap());
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EXPECT_TRUE(f.getEmptyMap().isEmpty());
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ImmutableMap<int, int> S = f.getEmptyMap();
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EXPECT_EQ(0u, S.getHeight());
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EXPECT_TRUE(S.begin() == S.end());
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EXPECT_FALSE(S.begin() != S.end());
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}
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TEST(ImmutableMapTest, MultiElemIntMapTest) {
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ImmutableMap<int, int>::Factory f;
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ImmutableMap<int, int> S = f.getEmptyMap();
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ImmutableMap<int, int> S2 = f.add(f.add(f.add(S, 3, 10), 4, 11), 5, 12);
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EXPECT_TRUE(S.isEmpty());
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EXPECT_FALSE(S2.isEmpty());
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EXPECT_EQ(nullptr, S.lookup(3));
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EXPECT_EQ(nullptr, S.lookup(9));
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EXPECT_EQ(10, *S2.lookup(3));
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EXPECT_EQ(11, *S2.lookup(4));
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EXPECT_EQ(12, *S2.lookup(5));
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EXPECT_EQ(5, S2.getMaxElement()->first);
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EXPECT_EQ(3U, S2.getHeight());
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}
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}
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