1 //===- unittest/Format/FormatTestTableGen.cpp -----------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #include "FormatTestUtils.h"
11 #include "clang/Format/Format.h"
12 #include "llvm/Support/Debug.h"
13 #include "gtest/gtest.h"
14 
15 #define DEBUG_TYPE "format-test"
16 
17 namespace clang {
18 namespace format {
19 
20 class FormatTestTableGen : public ::testing::Test {
21 protected:
22   static std::string format(llvm::StringRef Code, unsigned Offset,
23                             unsigned Length, const FormatStyle &Style) {
24     LLVM_DEBUG(llvm::errs() << "---\n");
25     LLVM_DEBUG(llvm::errs() << Code << "\n\n");
26     std::vector<tooling::Range> Ranges(1, tooling::Range(Offset, Length));
27     tooling::Replacements Replaces = reformat(Style, Code, Ranges);
28     auto Result = applyAllReplacements(Code, Replaces);
29     EXPECT_TRUE(static_cast<bool>(Result));
30     LLVM_DEBUG(llvm::errs() << "\n" << *Result << "\n\n");
31     return *Result;
32   }
33 
34   static std::string format(llvm::StringRef Code) {
35     FormatStyle Style = getGoogleStyle(FormatStyle::LK_TableGen);
36     Style.ColumnLimit = 60; // To make writing tests easier.
37     return format(Code, 0, Code.size(), Style);
38   }
39 
40   static void verifyFormat(llvm::StringRef Code) {
41     EXPECT_EQ(Code.str(), format(Code)) << "Expected code is not stable";
42     EXPECT_EQ(Code.str(), format(test::messUp(Code)));
43   }
44 };
45 
46 TEST_F(FormatTestTableGen, FormatStringBreak) {
47   verifyFormat("include \"OptParser.td\"\n"
48                "def flag : Flag<\"--foo\">,\n"
49                "           HelpText<\n"
50                "               \"This is a very, very, very, very, \"\n"
51                "               \"very, very, very, very, very, very, \"\n"
52                "               \"very long help string\">;\n");
53 }
54 
55 } // namespace format
56 } // end namespace clang
57