1 //===- unittest/Support/RemarksStrTabParsingTest.cpp - StrTab 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/Remarks/Remark.h"
10 #include "llvm/Remarks/RemarkParser.h"
11 #include "gtest/gtest.h"
12 
13 using namespace llvm;
14 
15 TEST(RemarksStrTab, ParsingEmpty) {
16   StringRef Empty("", 0);
17   remarks::ParsedStringTable StrTab(Empty);
18   Expected<StringRef> Nothing = StrTab[0];
19   EXPECT_FALSE(static_cast<bool>(Nothing));
20   EXPECT_EQ(toString(Nothing.takeError()),
21             "String with index 0 is out of bounds (size = 0).");
22 }
23 
24 TEST(RemarksStrTab, ParsingGood) {
25   StringRef Strings("str1\0str2\0str3\0str4", 20);
26   remarks::ParsedStringTable StrTab(Strings);
27   Expected<StringRef> Result = StrTab[0];
28   EXPECT_TRUE(static_cast<bool>(Result));
29   EXPECT_EQ(*Result, "str1");
30   Result = StrTab[1];
31   EXPECT_TRUE(static_cast<bool>(Result));
32   EXPECT_EQ(*Result, "str2");
33   Result = StrTab[2];
34   EXPECT_TRUE(static_cast<bool>(Result));
35   EXPECT_EQ(*Result, "str3");
36   Result = StrTab[3];
37   EXPECT_TRUE(static_cast<bool>(Result));
38   EXPECT_EQ(*Result, "str4");
39 }
40