1 //===----------- ImmutableMapTest.cpp - ImmutableMap unit tests ------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "llvm/ADT/ImmutableMap.h" 10 #include "gtest/gtest.h" 11 12 using namespace llvm; 13 14 namespace { 15 16 TEST(ImmutableMapTest, EmptyIntMapTest) { 17 ImmutableMap<int, int>::Factory f; 18 19 EXPECT_TRUE(f.getEmptyMap() == f.getEmptyMap()); 20 EXPECT_FALSE(f.getEmptyMap() != f.getEmptyMap()); 21 EXPECT_TRUE(f.getEmptyMap().isEmpty()); 22 23 ImmutableMap<int, int> S = f.getEmptyMap(); 24 EXPECT_EQ(0u, S.getHeight()); 25 EXPECT_TRUE(S.begin() == S.end()); 26 EXPECT_FALSE(S.begin() != S.end()); 27 } 28 29 TEST(ImmutableMapTest, MultiElemIntMapTest) { 30 ImmutableMap<int, int>::Factory f; 31 ImmutableMap<int, int> S = f.getEmptyMap(); 32 33 ImmutableMap<int, int> S2 = f.add(f.add(f.add(S, 3, 10), 4, 11), 5, 12); 34 35 EXPECT_TRUE(S.isEmpty()); 36 EXPECT_FALSE(S2.isEmpty()); 37 38 EXPECT_EQ(nullptr, S.lookup(3)); 39 EXPECT_EQ(nullptr, S.lookup(9)); 40 41 EXPECT_EQ(10, *S2.lookup(3)); 42 EXPECT_EQ(11, *S2.lookup(4)); 43 EXPECT_EQ(12, *S2.lookup(5)); 44 45 EXPECT_EQ(5, S2.getMaxElement()->first); 46 EXPECT_EQ(3U, S2.getHeight()); 47 } 48 49 } 50