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
14using namespace llvm;
15
16namespace {
17
18using ::testing::Eq;
19using ::testing::StrEq;
20
21TEST(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

source code of llvm/unittests/ADT/StringTableTest.cpp