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76 lines
1.9 KiB
76 lines
1.9 KiB
//===- llvm/unittest/ADT/StringSetTest.cpp - StringSet 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/StringSet.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 fixture
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class StringSetTest : public testing::Test {};
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TEST_F(StringSetTest, IterSetKeys) {
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StringSet<> Set;
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Set.insert("A");
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Set.insert("B");
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Set.insert("C");
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Set.insert("D");
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auto Keys = to_vector<4>(Set.keys());
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llvm::sort(Keys);
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SmallVector<StringRef, 4> Expected = {"A", "B", "C", "D"};
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EXPECT_EQ(Expected, Keys);
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}
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TEST_F(StringSetTest, InsertAndCountStringMapEntry) {
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// Test insert(StringMapEntry) and count(StringMapEntry)
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// which are required for set_difference(StringSet, StringSet).
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StringSet<> Set;
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StringMapEntry<StringRef> *Element =
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StringMapEntry<StringRef>::Create("A", Set.getAllocator());
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Set.insert(*Element);
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size_t Count = Set.count(*Element);
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size_t Expected = 1;
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EXPECT_EQ(Expected, Count);
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Element->Destroy(Set.getAllocator());
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}
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TEST_F(StringSetTest, EmptyString) {
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// Verify that the empty string can by successfully inserted
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StringSet<> Set;
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size_t Count = Set.count("");
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EXPECT_EQ(Count, 0UL);
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Set.insert("");
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Count = Set.count("");
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EXPECT_EQ(Count, 1UL);
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}
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TEST_F(StringSetTest, Contains) {
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StringSet<> Set;
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EXPECT_FALSE(Set.contains(""));
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EXPECT_FALSE(Set.contains("test"));
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Set.insert("");
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Set.insert("test");
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EXPECT_TRUE(Set.contains(""));
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EXPECT_TRUE(Set.contains("test"));
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Set.insert("test");
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EXPECT_TRUE(Set.contains(""));
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EXPECT_TRUE(Set.contains("test"));
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Set.erase("test");
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EXPECT_TRUE(Set.contains(""));
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EXPECT_FALSE(Set.contains("test"));
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}
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} // end anonymous namespace
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