1 //===- unittest/Format/FormatTestTableGen.cpp -----------------------------===//
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 "FormatTestUtils.h"
10 #include "clang/Format/Format.h"
11 #include "llvm/Support/Debug.h"
12 #include "gtest/gtest.h"
13 
14 #define DEBUG_TYPE "format-test"
15 
16 namespace clang {
17 namespace format {
18 
19 class FormatTestTableGen : public ::testing::Test {
20 protected:
21   static std::string format(llvm::StringRef Code, unsigned Offset,
22                             unsigned Length, const FormatStyle &Style) {
23     LLVM_DEBUG(llvm::errs() << "---\n");
24     LLVM_DEBUG(llvm::errs() << Code << "\n\n");
25     std::vector<tooling::Range> Ranges(1, tooling::Range(Offset, Length));
26     tooling::Replacements Replaces = reformat(Style, Code, Ranges);
27     auto Result = applyAllReplacements(Code, Replaces);
28     EXPECT_TRUE(static_cast<bool>(Result));
29     LLVM_DEBUG(llvm::errs() << "\n" << *Result << "\n\n");
30     return *Result;
31   }
32 
33   static std::string format(llvm::StringRef Code) {
34     FormatStyle Style = getGoogleStyle(FormatStyle::LK_TableGen);
35     Style.ColumnLimit = 60; // To make writing tests easier.
36     return format(Code, 0, Code.size(), Style);
37   }
38 
39   static void verifyFormat(llvm::StringRef Code) {
40     EXPECT_EQ(Code.str(), format(Code)) << "Expected code is not stable";
41     EXPECT_EQ(Code.str(), format(test::messUp(Code)));
42   }
43 };
44 
45 TEST_F(FormatTestTableGen, FormatStringBreak) {
46   verifyFormat("include \"OptParser.td\"\n"
47                "def flag : Flag<\"--foo\">,\n"
48                "           HelpText<\n"
49                "               \"This is a very, very, very, very, \"\n"
50                "               \"very, very, very, very, very, very, \"\n"
51                "               \"very long help string\">;\n");
52 }
53 
54 TEST_F(FormatTestTableGen, NoSpacesInSquareBracketLists) {
55   verifyFormat("def flag : Flag<[\"-\", \"--\"], \"foo\">;\n");
56 }
57 
58 } // namespace format
59 } // end namespace clang
60