//===- unittest/Format/CleanupTest.cpp - Code cleanup unit tests ----------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "clang/Format/Format.h"
#include "../Tooling/RewriterTestContext.h"
#include "clang/Tooling/Core/Replacement.h"
#include "gtest/gtest.h"
namespace clang {
namespace format {
namespace {
class CleanupTest : public ::testing::Test {
protected:
std::string cleanup(llvm::StringRef Code,
const std::vector<tooling::Range> &Ranges,
const FormatStyle &Style = getLLVMStyle()) {
tooling::Replacements Replaces = format::cleanup(Style, Code, Ranges);
auto Result = applyAllReplacements(Code, Replaces);
EXPECT_TRUE(static_cast<bool>(Result));
return *Result;
}
};
TEST_F(CleanupTest, DeleteEmptyNamespaces) {
std::string Code = "namespace A {\n"
"namespace B {\n"
"} // namespace B\n"
"} // namespace A\n\n"
"namespace C {\n"
"namespace D { int i; }\n"
"inline namespace E { namespace { } }\n"
"}";
std::string Expected = "\n\n\n\n\nnamespace C {\n"
"namespace D { int i; }\n \n"
"}";
std::vector<tooling::Range> Ranges;
Ranges.push_back(tooling::Range(28, 0));
Ranges.push_back(tooling::Range(91, 6));
Ranges.push_back(tooling::Range(132, 0));
std::string Result = cleanup(Code, Ranges);
EXPECT_EQ(Expected, Result);
}
TEST_F(CleanupTest, NamespaceWithSyntaxError) {
std::string Code = "namespace A {\n"
"namespace B {\n" // missing r_brace
"} // namespace A\n\n"
"namespace C {\n"
"namespace D int i; }\n"
"inline namespace E { namespace { } }\n"
"}";
std::string Expected = "namespace A {\n"
"\n\n\nnamespace C {\n"
"namespace D int i; }\n \n"
"}";
std::vector<tooling::Range> Ranges(1, tooling::Range(0, Code.size()));
std::string Result = cleanup(Code, Ranges);
EXPECT_EQ(Expected, Result);
}
TEST_F(CleanupTest, EmptyNamespaceNotAffected) {
std::string Code = "namespace A {\n\n"
"namespace {\n\n}}";
// Even though the namespaces are empty, but the inner most empty namespace
// block is not affected by the changed ranges.
std::string Expected = "namespace A {\n\n"
"namespace {\n\n}}";
// Set the changed range to be the second "\n".
std::vector<tooling::Range> Ranges(1, tooling::Range(14, 0));
std::string Result = cleanup(Code, Ranges);
EXPECT_EQ(Expected, Result);
}
TEST_F(CleanupTest, EmptyNamespaceWithCommentsNoBreakBeforeBrace) {
std::string Code = "namespace A {\n"
"namespace B {\n"
"// Yo\n"
"} // namespace B\n"
"} // namespace A\n"
"namespace C { // Yo\n"
"}";
std::string Expected = "\n\n\n\n\n\n";
std::vector<tooling::Range> Ranges(1, tooling::Range(0, Code.size()));
std::string Result = cleanup(Code, Ranges);
EXPECT_EQ(Expected, Result);
}
TEST_F(CleanupTest, EmptyNamespaceWithCommentsBreakBeforeBrace) {
std::string Code = "namespace A\n"
"/* Yo */ {\n"
"namespace B\n"
"{\n"
"// Yo\n"
"} // namespace B\n"
"} // namespace A\n"
"namespace C\n"
"{ // Yo\n"
"}\n";
std::string Expected = "\n\n\n\n\n\n\n\n\n\n";
std::vector<tooling::Range> Ranges(1, tooling::Range(0, Code.size()));
FormatStyle Style = getLLVMStyle();
Style.BraceWrapping.AfterNamespace = true;
std::string Result = cleanup(Code, Ranges, Style);
EXPECT_EQ(Expected, Result);
}
TEST_F(CleanupTest, CtorInitializationSimpleRedundantComma) {
std::string Code = "class A {\nA() : , {} };";
std::string Expected = "class A {\nA() {} };";
std::vector<tooling::Range> Ranges;
Ranges.push_back(tooling::Range(17, 0));
Ranges.push_back(tooling::Range(19, 0));
std::string Result = cleanup(Code, Ranges);
EXPECT_EQ(Expected, Result);
Code = "class A {\nA() : x(1), {} };";
Expected = "class A {\nA() : x(1) {} };";
Ranges.clear();
Ranges.push_back(tooling::Range(23, 0));
Result = cleanup(Code, Ranges);
EXPECT_EQ(Expected, Result);
Code = "class A {\nA() :,,,,{} };";
Expected = "class A {\nA() {} };";
Ranges.clear();
Ranges.push_back(tooling::Range(15, 0));
Result = cleanup(Code, Ranges);
EXPECT_EQ(Expected, Result);
}
TEST_F(CleanupTest, ListSimpleRedundantComma) {
std::string Code = "void f() { std::vector<int> v = {1,2,,,3,{4,5}}; }";
std::string Expected = "void f() { std::vector<int> v = {1,2,3,{4,5}}; }";
std::vector<tooling::Range> Ranges;
Ranges.push_back(tooling::Range(40, 0));
std::string Result = cleanup(Code, Ranges);
EXPECT_EQ(Expected, Result);
Code = "int main() { f(1,,2,3,,4);}";
Expected = "int main() { f(1,2,3,4);}";
Ranges.clear();
Ranges.push_back(tooling::Range(17, 0));
Ranges.push_back(tooling::Range(22, 0));
Result = cleanup(Code, Ranges);
EXPECT_EQ(Expected, Result);
}
TEST_F(CleanupTest, CtorInitializationBracesInParens) {
std::string Code = "class A {\nA() : x({1}),, {} };";
std::string Expected = "class A {\nA() : x({1}) {} };";
std::vector<tooling::Range> Ranges;
Ranges.push_back(tooling::Range(24, 0));
Ranges.push_back(tooling::Range(26, 0));
std::string Result = cleanup(Code, Ranges);
EXPECT_EQ(Expected, Result);
}
TEST_F(CleanupTest, RedundantCommaNotInAffectedRanges) {
std::string Code =
"class A {\nA() : x({1}), /* comment */, { int x = 0; } };";
std::string Expected =
"class A {\nA() : x({1}), /* comment */, { int x = 0; } };";
// Set the affected range to be "int x = 0", which does not intercept the
// constructor initialization list.
std::vector<tooling::Range> Ranges(1, tooling::Range(42, 9));
std::string Result = cleanup(Code, Ranges);
EXPECT_EQ(Expected, Result);
Code = "class A {\nA() : x(1), {} };";
Expected = "class A {\nA() : x(1), {} };";
// No range. Fixer should do nothing.
Ranges.clear();
Result = cleanup(Code, Ranges);
EXPECT_EQ(Expected, Result);
}
// FIXME: delete comments too.
TEST_F(CleanupTest, CtorInitializationCommentAroundCommas) {
// Remove redundant commas around comment.
std::string Code = "class A {\nA() : x({1}), /* comment */, {} };";
std::string Expected = "class A {\nA() : x({1}) /* comment */ {} };";
std::vector<tooling::Range> Ranges;
Ranges.push_back(tooling::Range(25, 0));
Ranges.push_back(tooling::Range(40, 0));
std::string Result = cleanup(Code, Ranges);
EXPECT_EQ(Expected, Result);
// Remove trailing comma and ignore comment.
Code = "class A {\nA() : x({1}), // comment\n{} };";
Expected = "class A {\nA() : x({1}) // comment\n{} };";
Ranges = std::vector<tooling::Range>(1, tooling::Range(25, 0));
Result = cleanup(Code, Ranges);
EXPECT_EQ(Expected, Result);
// Remove trailing comma and ignore comment.
Code = "class A {\nA() : x({1}), // comment\n , y(1),{} };";
Expected = "class A {\nA() : x({1}), // comment\n y(1){} };";
Ranges = std::vector<tooling::Range>(1, tooling::Range(38, 0));
Result = cleanup(Code, Ranges);
EXPECT_EQ(Expected, Result);
// Remove trailing comma and ignore comment.
Code = "class A {\nA() : x({1}), \n/* comment */, y(1),{} };";
Expected = "class A {\nA() : x({1}), \n/* comment */ y(1){} };";
Ranges = std::vector<tooling::Range>(1, tooling::Range(40, 0));
Result = cleanup(Code, Ranges);
EXPECT_EQ(Expected, Result);
// Remove trailing comma and ignore comment.
Code = "class A {\nA() : , // comment\n y(1),{} };";
Expected = "class A {\nA() : // comment\n y(1){} };";
Ranges = std::vector<tooling::Range>(1, tooling::Range(17, 0));
Result = cleanup(Code, Ranges);
EXPECT_EQ(Expected, Result);
}
TEST_F(CleanupTest, CtorInitializerInNamespace) {
std::string Code = "namespace A {\n"
"namespace B {\n" // missing r_brace
"} // namespace A\n\n"
"namespace C {\n"
"class A { A() : x(0),, {} };\n"
"inline namespace E { namespace { } }\n"
"}";
std::string Expected = "namespace A {\n"
"\n\n\nnamespace C {\n"
"class A { A() : x(0) {} };\n \n"
"}";
std::vector<tooling::Range> Ranges(1, tooling::Range(0, Code.size()));
std::string Result = cleanup(Code, Ranges);
EXPECT_EQ(Expected, Result);
}
class CleanUpReplacementsTest : public ::testing::Test {
protected:
tooling::Replacement createReplacement(unsigned Offset, unsigned Length,
StringRef Text) {
return tooling::Replacement(FileName, Offset, Length, Text);
}
tooling::Replacement createInsertion(StringRef HeaderName) {
return createReplacement(UINT_MAX, 0, HeaderName);
}
inline std::string apply(StringRef Code,
const tooling::Replacements Replaces) {
auto CleanReplaces = cleanupAroundReplacements(Code, Replaces, Style);
EXPECT_TRUE(static_cast<bool>(CleanReplaces))
<< llvm::toString(CleanReplaces.takeError()) << "\n";
auto Result = applyAllReplacements(Code, *CleanReplaces);
EXPECT_TRUE(static_cast<bool>(Result));
return *Result;
}
inline std::string formatAndApply(StringRef Code,
const tooling::Replacements Replaces) {
auto CleanReplaces = cleanupAroundReplacements(Code, Replaces, Style);
EXPECT_TRUE(static_cast<bool>(CleanReplaces))
<< llvm::toString(CleanReplaces.takeError()) << "\n";
auto FormattedReplaces = formatReplacements(Code, *CleanReplaces, Style);
EXPECT_TRUE(static_cast<bool>(FormattedReplaces))
<< llvm::toString(FormattedReplaces.takeError()) << "\n";
auto Result = applyAllReplacements(Code, *FormattedReplaces);
EXPECT_TRUE(static_cast<bool>(Result));
return *Result;
}
int getOffset(StringRef Code, int Line, int Column) {
RewriterTestContext Context;
FileID ID = Context.createInMemoryFile(FileName, Code);
auto DecomposedLocation =
Context.Sources.getDecomposedLoc(Context.getLocation(ID, Line, Column));
return DecomposedLocation.second;
}
const std::string FileName = "fix.cpp";
FormatStyle Style = getLLVMStyle();
};
TEST_F(CleanUpReplacementsTest, FixOnlyAffectedCodeAfterReplacements) {
std::string Code = "namespace A {\n"
"namespace B {\n"
" int x;\n"
"} // namespace B\n"
"} // namespace A\n"
"\n"
"namespace C {\n"
"namespace D { int i; }\n"
"inline namespace E { namespace { int y; } }\n"
"int x= 0;"
"}";
std::string Expected = "\n\nnamespace C {\n"
"namespace D { int i; }\n\n"
"int x= 0;"
"}";
tooling::Replacements Replaces = {
createReplacement(getOffset(Code, 3, 3), 6, ""),
createReplacement(getOffset(Code, 9, 34), 6, "")};
EXPECT_EQ(Expected, formatAndApply(Code, Replaces));
}
TEST_F(CleanUpReplacementsTest, NoExistingIncludeWithoutDefine) {
std::string Code = "int main() {}";
std::string Expected = "#include \"a.h\"\n"
"int main() {}";
tooling::Replacements Replaces = {createInsertion("#include \"a.h\"")};
EXPECT_EQ(Expected, apply(Code, Replaces));
}
TEST_F(CleanUpReplacementsTest, NoExistingIncludeWithDefine) {
std::string Code = "#ifndef A_H\n"
"#define A_H\n"
"class A {};\n"
"#define MMM 123\n"
"#endif";
std::string Expected = "#ifndef A_H\n"
"#define A_H\n"
"#include \"b.h\"\n"
"class A {};\n"
"#define MMM 123\n"
"#endif";
tooling::Replacements Replaces = {createInsertion("#include \"b.h\"")};
EXPECT_EQ(Expected, apply(Code, Replaces));
}
TEST_F(CleanUpReplacementsTest, InsertBeforeCategoryWithLowerPriority) {
std::string Code = "#ifndef A_H\n"
"#define A_H\n"
"\n"
"\n"
"\n"
"#include <vector>\n"
"class A {};\n"
"#define MMM 123\n"
"#endif";
std::string Expected = "#ifndef A_H\n"
"#define A_H\n"
"\n"
"\n"
"\n"
"#include \"a.h\"\n"
"#include <vector>\n"
"class A {};\n"
"#define MMM 123\n"
"#endif";
tooling::Replacements Replaces = {createInsertion("#include \"a.h\"")};
EXPECT_EQ(Expected, apply(Code, Replaces));
}
TEST_F(CleanUpReplacementsTest, InsertAfterMainHeader) {
std::string Code = "#include \"fix.h\"\n"
"\n"
"int main() {}";
std::string Expected = "#include \"fix.h\"\n"
"#include <a>\n"
"\n"
"int main() {}";
tooling::Replacements Replaces = {createInsertion("#include <a>")};
Style = format::getGoogleStyle(format::FormatStyle::LanguageKind::LK_Cpp);
EXPECT_EQ(Expected, apply(Code, Replaces));
}
TEST_F(CleanUpReplacementsTest, InsertBeforeSystemHeaderLLVM) {
std::string Code = "#include <memory>\n"
"\n"
"int main() {}";
std::string Expected = "#include \"z.h\"\n"
"#include <memory>\n"
"\n"
"int main() {}";
tooling::Replacements Replaces = {createInsertion("#include \"z.h\"")};
EXPECT_EQ(Expected, apply(Code, Replaces));
}
TEST_F(CleanUpReplacementsTest, InsertAfterSystemHeaderGoogle) {
std::string Code = "#include <memory>\n"
"\n"
"int main() {}";
std::string Expected = "#include <memory>\n"
"#include \"z.h\"\n"
"\n"
"int main() {}";
tooling::Replacements Replaces = {createInsertion("#include \"z.h\"")};
Style = format::getGoogleStyle(format::FormatStyle::LanguageKind::LK_Cpp);
EXPECT_EQ(Expected, apply(Code, Replaces));
}
TEST_F(CleanUpReplacementsTest, InsertOneIncludeLLVMStyle) {
std::string Code = "#include \"x/fix.h\"\n"
"#include \"a.h\"\n"
"#include \"b.h\"\n"
"#include \"clang/Format/Format.h\"\n"
"#include <memory>\n";
std::string Expected = "#include \"x/fix.h\"\n"
"#include \"a.h\"\n"
"#include \"b.h\"\n"
"#include \"d.h\"\n"
"#include \"clang/Format/Format.h\"\n"
"#include \"llvm/x/y.h\"\n"
"#include <memory>\n";
tooling::Replacements Replaces = {createInsertion("#include \"d.h\""),
createInsertion("#include \"llvm/x/y.h\"")};
EXPECT_EQ(Expected, apply(Code, Replaces));
}
TEST_F(CleanUpReplacementsTest, InsertMultipleIncludesLLVMStyle) {
std::string Code = "#include \"x/fix.h\"\n"
"#include \"a.h\"\n"
"#include \"b.h\"\n"
"#include \"clang/Format/Format.h\"\n"
"#include <memory>\n";
std::string Expected = "#include \"x/fix.h\"\n"
"#include \"a.h\"\n"
"#include \"b.h\"\n"
"#include \"new/new.h\"\n"
"#include \"clang/Format/Format.h\"\n"
"#include <memory>\n"
"#include <list>\n";
tooling::Replacements Replaces = {createInsertion("#include <list>"),
createInsertion("#include \"new/new.h\"")};
EXPECT_EQ(Expected, apply(Code, Replaces));
}
TEST_F(CleanUpReplacementsTest, InsertNewSystemIncludeGoogleStyle) {
std::string Code = "#include \"x/fix.h\"\n"
"\n"
"#include \"y/a.h\"\n"
"#include \"z/b.h\"\n";
// FIXME: inserting after the empty line following the main header might be
// prefered.
std::string Expected = "#include \"x/fix.h\"\n"
"#include <vector>\n"
"\n"
"#include \"y/a.h\"\n"
"#include \"z/b.h\"\n";
tooling::Replacements Replaces = {createInsertion("#include <vector>")};
Style = format::getGoogleStyle(format::FormatStyle::LanguageKind::LK_Cpp);
EXPECT_EQ(Expected, apply(Code, Replaces));
}
TEST_F(CleanUpReplacementsTest, InsertMultipleIncludesGoogleStyle) {
std::string Code = "#include \"x/fix.h\"\n"
"\n"
"#include <vector>\n"
"\n"
"#include \"y/a.h\"\n"
"#include \"z/b.h\"\n";
std::string Expected = "#include \"x/fix.h\"\n"
"\n"
"#include <vector>\n"
"#include <list>\n"
"\n"
"#include \"y/a.h\"\n"
"#include \"z/b.h\"\n"
"#include \"x/x.h\"\n";
tooling::Replacements Replaces = {createInsertion("#include <list>"),
createInsertion("#include \"x/x.h\"")};
Style = format::getGoogleStyle(format::FormatStyle::LanguageKind::LK_Cpp);
EXPECT_EQ(Expected, apply(Code, Replaces));
}
TEST_F(CleanUpReplacementsTest, InsertMultipleNewHeadersAndSortLLVM) {
std::string Code = "\nint x;";
std::string Expected = "\n#include \"fix.h\"\n"
"#include \"a.h\"\n"
"#include \"b.h\"\n"
"#include \"c.h\"\n"
"#include <list>\n"
"#include <vector>\n"
"int x;";
tooling::Replacements Replaces = {createInsertion("#include \"a.h\""),
createInsertion("#include \"c.h\""),
createInsertion("#include \"b.h\""),
createInsertion("#include <vector>"),
createInsertion("#include <list>"),
createInsertion("#include \"fix.h\"")};
EXPECT_EQ(Expected, formatAndApply(Code, Replaces));
}
TEST_F(CleanUpReplacementsTest, InsertMultipleNewHeadersAndSortGoogle) {
std::string Code = "\nint x;";
std::string Expected = "\n#include \"fix.h\"\n"
"#include <list>\n"
"#include <vector>\n"
"#include \"a.h\"\n"
"#include \"b.h\"\n"
"#include \"c.h\"\n"
"int x;";
tooling::Replacements Replaces = {createInsertion("#include \"a.h\""),
createInsertion("#include \"c.h\""),
createInsertion("#include \"b.h\""),
createInsertion("#include <vector>"),
createInsertion("#include <list>"),
createInsertion("#include \"fix.h\"")};
Style = format::getGoogleStyle(format::FormatStyle::LanguageKind::LK_Cpp);
EXPECT_EQ(Expected, formatAndApply(Code, Replaces));
}
TEST_F(CleanUpReplacementsTest, FormatCorrectLineWhenHeadersAreInserted) {
std::string Code = "\n"
"int x;\n"
"int a;\n"
"int a;\n"
"int a;";
std::string Expected = "\n#include \"x.h\"\n"
"#include \"y.h\"\n"
"#include \"clang/x/x.h\"\n"
"#include <list>\n"
"#include <vector>\n"
"int x;\n"
"int a;\n"
"int b;\n"
"int a;";
tooling::Replacements Replaces = {
createReplacement(getOffset(Code, 4, 8), 1, "b"),
createInsertion("#include <vector>"),
createInsertion("#include <list>"),
createInsertion("#include \"clang/x/x.h\""),
createInsertion("#include \"y.h\""),
createInsertion("#include \"x.h\"")};
EXPECT_EQ(Expected, formatAndApply(Code, Replaces));
}
TEST_F(CleanUpReplacementsTest, NotConfusedByDefine) {
std::string Code = "void f() {}\n"
"#define A \\\n"
" int i;";
std::string Expected = "#include <vector>\n"
"void f() {}\n"
"#define A \\\n"
" int i;";
tooling::Replacements Replaces = {createInsertion("#include <vector>")};
EXPECT_EQ(Expected, formatAndApply(Code, Replaces));
}
TEST_F(CleanUpReplacementsTest, SkippedTopComment) {
std::string Code = "// comment\n"
"\n"
" // comment\n";
std::string Expected = "// comment\n"
"\n"
" // comment\n"
"#include <vector>\n";
tooling::Replacements Replaces = {createInsertion("#include <vector>")};
EXPECT_EQ(Expected, apply(Code, Replaces));
}
TEST_F(CleanUpReplacementsTest, SkippedMixedComments) {
std::string Code = "// comment\n"
"// comment \\\n"
" comment continued\n"
"/*\n"
"* comment\n"
"*/\n";
std::string Expected = "// comment\n"
"// comment \\\n"
" comment continued\n"
"/*\n"
"* comment\n"
"*/\n"
"#include <vector>\n";
tooling::Replacements Replaces = {createInsertion("#include <vector>")};
EXPECT_EQ(Expected, apply(Code, Replaces));
}
TEST_F(CleanUpReplacementsTest, MultipleBlockCommentsInOneLine) {
std::string Code = "/*\n"
"* comment\n"
"*/ /* comment\n"
"*/\n"
"\n\n"
"/* c1 */ /*c2 */\n";
std::string Expected = "/*\n"
"* comment\n"
"*/ /* comment\n"
"*/\n"
"\n\n"
"/* c1 */ /*c2 */\n"
"#include <vector>\n";
tooling::Replacements Replaces = {createInsertion("#include <vector>")};
EXPECT_EQ(Expected, apply(Code, Replaces));
}
TEST_F(CleanUpReplacementsTest, CodeAfterComments) {
std::string Code = "/*\n"
"* comment\n"
"*/ /* comment\n"
"*/\n"
"\n\n"
"/* c1 */ /*c2 */\n"
"\n"
"int x;\n";
std::string Expected = "/*\n"
"* comment\n"
"*/ /* comment\n"
"*/\n"
"\n\n"
"/* c1 */ /*c2 */\n"
"\n"
"#include <vector>\n"
"int x;\n";
tooling::Replacements Replaces = {createInsertion("#include <vector>")};
EXPECT_EQ(Expected, apply(Code, Replaces));
}
TEST_F(CleanUpReplacementsTest, FakeHeaderGuardIfDef) {
std::string Code = "// comment \n"
"#ifdef X\n"
"#define X\n";
std::string Expected = "// comment \n"
"#include <vector>\n"
"#ifdef X\n"
"#define X\n";
tooling::Replacements Replaces = {createInsertion("#include <vector>")};
EXPECT_EQ(Expected, apply(Code, Replaces));
}
TEST_F(CleanUpReplacementsTest, RealHeaderGuardAfterComments) {
std::string Code = "// comment \n"
"#ifndef X\n"
"#define X\n"
"int x;\n"
"#define Y 1\n";
std::string Expected = "// comment \n"
"#ifndef X\n"
"#define X\n"
"#include <vector>\n"
"int x;\n"
"#define Y 1\n";
tooling::Replacements Replaces = {createInsertion("#include <vector>")};
EXPECT_EQ(Expected, apply(Code, Replaces));
}
TEST_F(CleanUpReplacementsTest, IfNDefWithNoDefine) {
std::string Code = "// comment \n"
"#ifndef X\n"
"int x;\n"
"#define Y 1\n";
std::string Expected = "// comment \n"
"#include <vector>\n"
"#ifndef X\n"
"int x;\n"
"#define Y 1\n";
tooling::Replacements Replaces = {createInsertion("#include <vector>")};
EXPECT_EQ(Expected, apply(Code, Replaces));
}
TEST_F(CleanUpReplacementsTest, HeaderGuardWithComment) {
std::string Code = "// comment \n"
"#ifndef X // comment\n"
"// comment\n"
"/* comment\n"
"*/\n"
"/* comment */ #define X\n"
"int x;\n"
"#define Y 1\n";
std::string Expected = "// comment \n"
"#ifndef X // comment\n"
"// comment\n"
"/* comment\n"
"*/\n"
"/* comment */ #define X\n"
"#include <vector>\n"
"int x;\n"
"#define Y 1\n";
tooling::Replacements Replaces = {createInsertion("#include <vector>")};
EXPECT_EQ(Expected, apply(Code, Replaces));
}
TEST_F(CleanUpReplacementsTest, EmptyCode) {
std::string Code = "";
std::string Expected = "#include <vector>\n";
tooling::Replacements Replaces = {createInsertion("#include <vector>")};
EXPECT_EQ(Expected, apply(Code, Replaces));
}
// FIXME: although this case does not crash, the insertion is wrong. A '\n'
// should be inserted between the two #includes.
TEST_F(CleanUpReplacementsTest, NoNewLineAtTheEndOfCode) {
std::string Code = "#include <map>";
std::string Expected = "#include <map>#include <vector>\n";
tooling::Replacements Replaces = {createInsertion("#include <vector>")};
EXPECT_EQ(Expected, apply(Code, Replaces));
}
TEST_F(CleanUpReplacementsTest, SkipExistingHeaders) {
std::string Code = "#include \"a.h\"\n"
"#include <vector>\n";
std::string Expected = "#include \"a.h\"\n"
"#include <vector>\n";
tooling::Replacements Replaces = {createInsertion("#include <vector>"),
createInsertion("#include \"a.h\"")};
EXPECT_EQ(Expected, apply(Code, Replaces));
}
TEST_F(CleanUpReplacementsTest, AddIncludesWithDifferentForms) {
std::string Code = "#include \"a.h\"\n"
"#include <vector>\n";
// FIXME: this might not be the best behavior.
std::string Expected = "#include \"a.h\"\n"
"#include \"vector\"\n"
"#include <vector>\n"
"#include <a.h>\n";
tooling::Replacements Replaces = {createInsertion("#include \"vector\""),
createInsertion("#include <a.h>")};
EXPECT_EQ(Expected, apply(Code, Replaces));
}
} // end namespace
} // end namespace format
} // end namespace clang