1 //===- llvm/unittest/ADT/StringTableTest.cpp - StringTable 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/StringTable.h" 10 #include "gmock/gmock.h" 11 #include "gtest/gtest.h" 12 #include <cstdlib> 13 14 using namespace llvm; 15 16 namespace { 17 18 using ::testing::Eq; 19 using ::testing::StrEq; 20 21 TEST(StringTableTest, Basic) { 22 static constexpr char InputTable[] = "\0test\0"; 23 constexpr StringTable T = InputTable; 24 25 // We support some limited constexpr operations, check those first. 26 static_assert(T.size() == sizeof(InputTable)); 27 static_assert(T[0].empty()); 28 static_assert(T[StringTable::Offset()].empty()); 29 static_assert(T[1].size() == 4); 30 31 // And use normal Google Test runtime assertions to check the contents and 32 // give more complete error messages. 33 EXPECT_THAT(T[0], Eq("")); 34 EXPECT_THAT(T[StringTable::Offset()], Eq("")); 35 EXPECT_THAT(T[1], Eq("test")); 36 37 // Also check that this is a valid C-string. 38 EXPECT_THAT(T[1].data(), StrEq("test")); 39 } 40 41 } // anonymous namespace 42