llvm-project/clang/unittests/Format/SortIncludesTest.cpp

801 lines
26 KiB
C++

//===- unittest/Format/SortIncludesTest.cpp - Include sort unit tests -----===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "FormatTestUtils.h"
#include "clang/Format/Format.h"
#include "llvm/ADT/None.h"
#include "llvm/Support/Debug.h"
#include "gtest/gtest.h"
#define DEBUG_TYPE "format-test"
namespace clang {
namespace format {
namespace {
class SortIncludesTest : public ::testing::Test {
protected:
std::vector<tooling::Range> GetCodeRange(StringRef Code) {
return std::vector<tooling::Range>(1, tooling::Range(0, Code.size()));
}
std::string sort(StringRef Code, std::vector<tooling::Range> Ranges,
StringRef FileName = "input.cc",
unsigned ExpectedNumRanges = 1) {
auto Replaces = sortIncludes(FmtStyle, Code, Ranges, FileName);
Ranges = tooling::calculateRangesAfterReplacements(Replaces, Ranges);
EXPECT_EQ(ExpectedNumRanges, Replaces.size());
auto Sorted = applyAllReplacements(Code, Replaces);
EXPECT_TRUE(static_cast<bool>(Sorted));
auto Result = applyAllReplacements(
*Sorted, reformat(FmtStyle, *Sorted, Ranges, FileName));
EXPECT_TRUE(static_cast<bool>(Result));
return *Result;
}
std::string sort(StringRef Code,
StringRef FileName = "input.cpp",
unsigned ExpectedNumRanges = 1) {
return sort(Code, GetCodeRange(Code), FileName, ExpectedNumRanges);
}
unsigned newCursor(llvm::StringRef Code, unsigned Cursor) {
sortIncludes(FmtStyle, Code, GetCodeRange(Code), "input.cpp", &Cursor);
return Cursor;
}
FormatStyle FmtStyle = getLLVMStyle();
tooling::IncludeStyle &Style = FmtStyle.IncludeStyle;
};
TEST_F(SortIncludesTest, BasicSorting) {
EXPECT_EQ("#include \"a.h\"\n"
"#include \"b.h\"\n"
"#include \"c.h\"\n",
sort("#include \"a.h\"\n"
"#include \"c.h\"\n"
"#include \"b.h\"\n"));
EXPECT_EQ("// comment\n"
"#include <a>\n"
"#include <b>\n",
sort("// comment\n"
"#include <b>\n"
"#include <a>\n",
{tooling::Range(25, 1)}));
}
TEST_F(SortIncludesTest, SortedIncludesUsingSortPriorityAttribute) {
FmtStyle.IncludeStyle.IncludeBlocks = tooling::IncludeStyle::IBS_Regroup;
FmtStyle.IncludeStyle.IncludeCategories = {
{"^<sys/param\\.h>", 1, 0},
{"^<sys/types\\.h>", 1, 1},
{"^<sys.*/", 1, 2},
{"^<uvm/", 2, 3},
{"^<machine/", 3, 4},
{"^<dev/", 4, 5},
{"^<net.*/", 5, 6},
{"^<protocols/", 5, 7},
{"^<(fs|miscfs|msdosfs|nfs|ntfs|ufs)/", 6, 8},
{"^<(x86|amd64|i386|xen)/", 7, 8},
{"<path", 9, 11},
{"^<[^/].*\\.h>", 8, 10},
{"^\".*\\.h\"", 10, 12}};
EXPECT_EQ("#include <sys/param.h>\n"
"#include <sys/types.h>\n"
"#include <sys/ioctl.h>\n"
"#include <sys/socket.h>\n"
"#include <sys/stat.h>\n"
"#include <sys/wait.h>\n"
"\n"
"#include <net/if.h>\n"
"#include <net/if_dl.h>\n"
"#include <net/route.h>\n"
"#include <netinet/in.h>\n"
"#include <protocols/rwhod.h>\n"
"\n"
"#include <assert.h>\n"
"#include <errno.h>\n"
"#include <inttypes.h>\n"
"#include <stdio.h>\n"
"#include <stdlib.h>\n"
"\n"
"#include <paths.h>\n"
"\n"
"#include \"pathnames.h\"\n",
sort("#include <sys/param.h>\n"
"#include <sys/types.h>\n"
"#include <sys/ioctl.h>\n"
"#include <net/if_dl.h>\n"
"#include <net/route.h>\n"
"#include <netinet/in.h>\n"
"#include <sys/socket.h>\n"
"#include <sys/stat.h>\n"
"#include <sys/wait.h>\n"
"#include <net/if.h>\n"
"#include <protocols/rwhod.h>\n"
"#include <assert.h>\n"
"#include <paths.h>\n"
"#include \"pathnames.h\"\n"
"#include <errno.h>\n"
"#include <inttypes.h>\n"
"#include <stdio.h>\n"
"#include <stdlib.h>\n"));
}
TEST_F(SortIncludesTest, SortPriorityNotDefined) {
FmtStyle = getLLVMStyle();
EXPECT_EQ("#include \"FormatTestUtils.h\"\n"
"#include \"clang/Format/Format.h\"\n"
"#include \"llvm/ADT/None.h\"\n"
"#include \"llvm/Support/Debug.h\"\n"
"#include \"gtest/gtest.h\"\n",
sort("#include \"clang/Format/Format.h\"\n"
"#include \"llvm/ADT/None.h\"\n"
"#include \"FormatTestUtils.h\"\n"
"#include \"gtest/gtest.h\"\n"
"#include \"llvm/Support/Debug.h\"\n"));
}
TEST_F(SortIncludesTest, NoReplacementsForValidIncludes) {
// Identical #includes have led to a failure with an unstable sort.
std::string Code = "#include <a>\n"
"#include <b>\n"
"#include <c>\n"
"#include <d>\n"
"#include <e>\n"
"#include <f>\n";
EXPECT_TRUE(sortIncludes(FmtStyle, Code, GetCodeRange(Code), "a.cc").empty());
}
TEST_F(SortIncludesTest, SortedIncludesInMultipleBlocksAreMerged) {
Style.IncludeBlocks = tooling::IncludeStyle::IBS_Merge;
EXPECT_EQ("#include \"a.h\"\n"
"#include \"b.h\"\n"
"#include \"c.h\"\n",
sort("#include \"a.h\"\n"
"#include \"c.h\"\n"
"\n"
"\n"
"#include \"b.h\"\n"));
Style.IncludeBlocks = tooling::IncludeStyle::IBS_Regroup;
EXPECT_EQ("#include \"a.h\"\n"
"#include \"b.h\"\n"
"#include \"c.h\"\n",
sort("#include \"a.h\"\n"
"#include \"c.h\"\n"
"\n"
"\n"
"#include \"b.h\"\n"));
}
TEST_F(SortIncludesTest, SupportClangFormatOff) {
EXPECT_EQ("#include <a>\n"
"#include <b>\n"
"#include <c>\n"
"// clang-format off\n"
"#include <b>\n"
"#include <a>\n"
"#include <c>\n"
"// clang-format on\n",
sort("#include <b>\n"
"#include <a>\n"
"#include <c>\n"
"// clang-format off\n"
"#include <b>\n"
"#include <a>\n"
"#include <c>\n"
"// clang-format on\n"));
}
TEST_F(SortIncludesTest, SupportClangFormatOffCStyle) {
EXPECT_EQ("#include <a>\n"
"#include <b>\n"
"#include <c>\n"
"/* clang-format off */\n"
"#include <b>\n"
"#include <a>\n"
"#include <c>\n"
"/* clang-format on */\n",
sort("#include <b>\n"
"#include <a>\n"
"#include <c>\n"
"/* clang-format off */\n"
"#include <b>\n"
"#include <a>\n"
"#include <c>\n"
"/* clang-format on */\n"));
// Not really turning it off
EXPECT_EQ("#include <a>\n"
"#include <b>\n"
"#include <c>\n"
"/* clang-format offically */\n"
"#include <a>\n"
"#include <b>\n"
"#include <c>\n"
"/* clang-format onwards */\n",
sort("#include <b>\n"
"#include <a>\n"
"#include <c>\n"
"/* clang-format offically */\n"
"#include <b>\n"
"#include <a>\n"
"#include <c>\n"
"/* clang-format onwards */\n", "input.h", 2));
}
TEST_F(SortIncludesTest, IncludeSortingCanBeDisabled) {
FmtStyle.SortIncludes = false;
EXPECT_EQ("#include \"a.h\"\n"
"#include \"c.h\"\n"
"#include \"b.h\"\n",
sort("#include \"a.h\"\n"
"#include \"c.h\"\n"
"#include \"b.h\"\n",
"input.h", 0));
}
TEST_F(SortIncludesTest, MixIncludeAndImport) {
EXPECT_EQ("#include \"a.h\"\n"
"#import \"b.h\"\n"
"#include \"c.h\"\n",
sort("#include \"a.h\"\n"
"#include \"c.h\"\n"
"#import \"b.h\"\n"));
}
TEST_F(SortIncludesTest, FixTrailingComments) {
EXPECT_EQ("#include \"a.h\" // comment\n"
"#include \"bb.h\" // comment\n"
"#include \"ccc.h\"\n",
sort("#include \"a.h\" // comment\n"
"#include \"ccc.h\"\n"
"#include \"bb.h\" // comment\n"));
}
TEST_F(SortIncludesTest, LeadingWhitespace) {
EXPECT_EQ("#include \"a.h\"\n"
"#include \"b.h\"\n"
"#include \"c.h\"\n",
sort(" #include \"a.h\"\n"
" #include \"c.h\"\n"
" #include \"b.h\"\n"));
EXPECT_EQ("#include \"a.h\"\n"
"#include \"b.h\"\n"
"#include \"c.h\"\n",
sort("# include \"a.h\"\n"
"# include \"c.h\"\n"
"# include \"b.h\"\n"));
}
TEST_F(SortIncludesTest, GreaterInComment) {
EXPECT_EQ("#include \"a.h\"\n"
"#include \"b.h\" // >\n"
"#include \"c.h\"\n",
sort("#include \"a.h\"\n"
"#include \"c.h\"\n"
"#include \"b.h\" // >\n"));
}
TEST_F(SortIncludesTest, SortsLocallyInEachBlock) {
EXPECT_EQ("#include \"a.h\"\n"
"#include \"c.h\"\n"
"\n"
"#include \"b.h\"\n",
sort("#include \"a.h\"\n"
"#include \"c.h\"\n"
"\n"
"#include \"b.h\"\n", "input.h", 0));
}
TEST_F(SortIncludesTest, SortsAllBlocksWhenMerging) {
Style.IncludeBlocks = tooling::IncludeStyle::IBS_Merge;
EXPECT_EQ("#include \"a.h\"\n"
"#include \"b.h\"\n"
"#include \"c.h\"\n",
sort("#include \"a.h\"\n"
"#include \"c.h\"\n"
"\n"
"#include \"b.h\"\n"));
}
TEST_F(SortIncludesTest, CommentsAlwaysSeparateGroups) {
EXPECT_EQ("#include \"a.h\"\n"
"#include \"c.h\"\n"
"// comment\n"
"#include \"b.h\"\n",
sort("#include \"c.h\"\n"
"#include \"a.h\"\n"
"// comment\n"
"#include \"b.h\"\n"));
Style.IncludeBlocks = tooling::IncludeStyle::IBS_Merge;
EXPECT_EQ("#include \"a.h\"\n"
"#include \"c.h\"\n"
"// comment\n"
"#include \"b.h\"\n",
sort("#include \"c.h\"\n"
"#include \"a.h\"\n"
"// comment\n"
"#include \"b.h\"\n"));
Style.IncludeBlocks = tooling::IncludeStyle::IBS_Regroup;
EXPECT_EQ("#include \"a.h\"\n"
"#include \"c.h\"\n"
"// comment\n"
"#include \"b.h\"\n",
sort("#include \"c.h\"\n"
"#include \"a.h\"\n"
"// comment\n"
"#include \"b.h\"\n"));
}
TEST_F(SortIncludesTest, HandlesAngledIncludesAsSeparateBlocks) {
EXPECT_EQ("#include \"a.h\"\n"
"#include \"c.h\"\n"
"#include <array>\n"
"#include <b.h>\n"
"#include <d.h>\n"
"#include <vector>\n",
sort("#include <vector>\n"
"#include <d.h>\n"
"#include <array>\n"
"#include <b.h>\n"
"#include \"c.h\"\n"
"#include \"a.h\"\n"));
FmtStyle = getGoogleStyle(FormatStyle::LK_Cpp);
EXPECT_EQ("#include <b.h>\n"
"#include <d.h>\n"
"\n"
"#include <array>\n"
"#include <vector>\n"
"\n"
"#include \"a.h\"\n"
"#include \"c.h\"\n",
sort("#include <vector>\n"
"#include <d.h>\n"
"#include <array>\n"
"#include <b.h>\n"
"#include \"c.h\"\n"
"#include \"a.h\"\n"));
}
TEST_F(SortIncludesTest, RegroupsAngledIncludesInSeparateBlocks) {
Style.IncludeBlocks = tooling::IncludeStyle::IBS_Regroup;
EXPECT_EQ("#include \"a.h\"\n"
"#include \"c.h\"\n"
"\n"
"#include <b.h>\n"
"#include <d.h>\n",
sort("#include <d.h>\n"
"#include <b.h>\n"
"#include \"c.h\"\n"
"#include \"a.h\"\n"));
}
TEST_F(SortIncludesTest, HandlesMultilineIncludes) {
EXPECT_EQ("#include \"a.h\"\n"
"#include \"b.h\"\n"
"#include \"c.h\"\n",
sort("#include \"a.h\"\n"
"#include \\\n"
"\"c.h\"\n"
"#include \"b.h\"\n"));
}
TEST_F(SortIncludesTest, LeavesMainHeaderFirst) {
Style.IncludeIsMainRegex = "([-_](test|unittest))?$";
EXPECT_EQ("#include \"llvm/a.h\"\n"
"#include \"b.h\"\n"
"#include \"c.h\"\n",
sort("#include \"llvm/a.h\"\n"
"#include \"c.h\"\n"
"#include \"b.h\"\n",
"a.cc"));
EXPECT_EQ("#include \"llvm/a.h\"\n"
"#include \"b.h\"\n"
"#include \"c.h\"\n",
sort("#include \"llvm/a.h\"\n"
"#include \"c.h\"\n"
"#include \"b.h\"\n",
"a_test.cc"));
EXPECT_EQ("#include \"llvm/input.h\"\n"
"#include \"b.h\"\n"
"#include \"c.h\"\n",
sort("#include \"llvm/input.h\"\n"
"#include \"c.h\"\n"
"#include \"b.h\"\n",
"input.mm"));
// Don't allow prefixes.
EXPECT_EQ("#include \"b.h\"\n"
"#include \"c.h\"\n"
"#include \"llvm/not_a.h\"\n",
sort("#include \"llvm/not_a.h\"\n"
"#include \"c.h\"\n"
"#include \"b.h\"\n",
"a.cc"));
// Don't do this for _main and other suffixes.
EXPECT_EQ("#include \"b.h\"\n"
"#include \"c.h\"\n"
"#include \"llvm/a.h\"\n",
sort("#include \"llvm/a.h\"\n"
"#include \"c.h\"\n"
"#include \"b.h\"\n",
"a_main.cc"));
// Don't do this in headers.
EXPECT_EQ("#include \"b.h\"\n"
"#include \"c.h\"\n"
"#include \"llvm/a.h\"\n",
sort("#include \"llvm/a.h\"\n"
"#include \"c.h\"\n"
"#include \"b.h\"\n",
"a.h"));
// Only do this in the first #include block.
EXPECT_EQ("#include <a>\n"
"\n"
"#include \"b.h\"\n"
"#include \"c.h\"\n"
"#include \"llvm/a.h\"\n",
sort("#include <a>\n"
"\n"
"#include \"llvm/a.h\"\n"
"#include \"c.h\"\n"
"#include \"b.h\"\n",
"a.cc"));
// Only recognize the first #include with a matching basename as main include.
EXPECT_EQ("#include \"a.h\"\n"
"#include \"b.h\"\n"
"#include \"c.h\"\n"
"#include \"llvm/a.h\"\n",
sort("#include \"b.h\"\n"
"#include \"a.h\"\n"
"#include \"c.h\"\n"
"#include \"llvm/a.h\"\n",
"a.cc"));
}
TEST_F(SortIncludesTest, LeavesMainHeaderFirstInAdditionalExtensions) {
Style.IncludeIsMainRegex = "([-_](test|unittest))?|(Impl)?$";
EXPECT_EQ("#include \"b.h\"\n"
"#include \"c.h\"\n"
"#include \"llvm/a.h\"\n",
sort("#include \"llvm/a.h\"\n"
"#include \"c.h\"\n"
"#include \"b.h\"\n",
"a_test.xxx"));
EXPECT_EQ("#include \"b.h\"\n"
"#include \"c.h\"\n"
"#include \"llvm/a.h\"\n",
sort("#include \"llvm/a.h\"\n"
"#include \"c.h\"\n"
"#include \"b.h\"\n",
"aImpl.hpp"));
// .cpp extension is considered "main" by default
EXPECT_EQ("#include \"llvm/a.h\"\n"
"#include \"b.h\"\n"
"#include \"c.h\"\n",
sort("#include \"llvm/a.h\"\n"
"#include \"c.h\"\n"
"#include \"b.h\"\n",
"aImpl.cpp"));
EXPECT_EQ("#include \"llvm/a.h\"\n"
"#include \"b.h\"\n"
"#include \"c.h\"\n",
sort("#include \"llvm/a.h\"\n"
"#include \"c.h\"\n"
"#include \"b.h\"\n",
"a_test.cpp"));
// Allow additional filenames / extensions
Style.IncludeIsMainSourceRegex = "(Impl\\.hpp)|(\\.xxx)$";
EXPECT_EQ("#include \"llvm/a.h\"\n"
"#include \"b.h\"\n"
"#include \"c.h\"\n",
sort("#include \"llvm/a.h\"\n"
"#include \"c.h\"\n"
"#include \"b.h\"\n",
"a_test.xxx"));
EXPECT_EQ("#include \"llvm/a.h\"\n"
"#include \"b.h\"\n"
"#include \"c.h\"\n",
sort("#include \"llvm/a.h\"\n"
"#include \"c.h\"\n"
"#include \"b.h\"\n",
"aImpl.hpp"));
}
TEST_F(SortIncludesTest, RecognizeMainHeaderInAllGroups) {
Style.IncludeIsMainRegex = "([-_](test|unittest))?$";
Style.IncludeBlocks = tooling::IncludeStyle::IBS_Merge;
EXPECT_EQ("#include \"c.h\"\n"
"#include \"a.h\"\n"
"#include \"b.h\"\n",
sort("#include \"b.h\"\n"
"\n"
"#include \"a.h\"\n"
"#include \"c.h\"\n",
"c.cc"));
}
TEST_F(SortIncludesTest, MainHeaderIsSeparatedWhenRegroupping) {
Style.IncludeIsMainRegex = "([-_](test|unittest))?$";
Style.IncludeBlocks = tooling::IncludeStyle::IBS_Regroup;
EXPECT_EQ("#include \"a.h\"\n"
"\n"
"#include \"b.h\"\n"
"#include \"c.h\"\n",
sort("#include \"b.h\"\n"
"\n"
"#include \"a.h\"\n"
"#include \"c.h\"\n",
"a.cc"));
}
TEST_F(SortIncludesTest, SupportCaseInsensitiveMatching) {
// Setup an regex for main includes so we can cover those as well.
Style.IncludeIsMainRegex = "([-_](test|unittest))?$";
// Ensure both main header detection and grouping work in a case insensitive
// manner.
EXPECT_EQ("#include \"llvm/A.h\"\n"
"#include \"b.h\"\n"
"#include \"c.h\"\n"
"#include \"LLVM/z.h\"\n"
"#include \"llvm/X.h\"\n"
"#include \"GTest/GTest.h\"\n"
"#include \"gmock/gmock.h\"\n",
sort("#include \"c.h\"\n"
"#include \"b.h\"\n"
"#include \"GTest/GTest.h\"\n"
"#include \"llvm/A.h\"\n"
"#include \"gmock/gmock.h\"\n"
"#include \"llvm/X.h\"\n"
"#include \"LLVM/z.h\"\n",
"a_TEST.cc"));
}
TEST_F(SortIncludesTest, NegativePriorities) {
Style.IncludeCategories = {{".*important_os_header.*", -1, 0}, {".*", 1, 0}};
EXPECT_EQ("#include \"important_os_header.h\"\n"
"#include \"c_main.h\"\n"
"#include \"a_other.h\"\n",
sort("#include \"c_main.h\"\n"
"#include \"a_other.h\"\n"
"#include \"important_os_header.h\"\n",
"c_main.cc"));
// check stable when re-run
EXPECT_EQ("#include \"important_os_header.h\"\n"
"#include \"c_main.h\"\n"
"#include \"a_other.h\"\n",
sort("#include \"important_os_header.h\"\n"
"#include \"c_main.h\"\n"
"#include \"a_other.h\"\n",
"c_main.cc", 0));
}
TEST_F(SortIncludesTest, PriorityGroupsAreSeparatedWhenRegroupping) {
Style.IncludeCategories = {{".*important_os_header.*", -1, 0}, {".*", 1, 0}};
Style.IncludeBlocks = tooling::IncludeStyle::IBS_Regroup;
EXPECT_EQ("#include \"important_os_header.h\"\n"
"\n"
"#include \"c_main.h\"\n"
"\n"
"#include \"a_other.h\"\n",
sort("#include \"c_main.h\"\n"
"#include \"a_other.h\"\n"
"#include \"important_os_header.h\"\n",
"c_main.cc"));
// check stable when re-run
EXPECT_EQ("#include \"important_os_header.h\"\n"
"\n"
"#include \"c_main.h\"\n"
"\n"
"#include \"a_other.h\"\n",
sort("#include \"important_os_header.h\"\n"
"\n"
"#include \"c_main.h\"\n"
"\n"
"#include \"a_other.h\"\n",
"c_main.cc", 0));
}
TEST_F(SortIncludesTest, CalculatesCorrectCursorPosition) {
std::string Code = "#include <ccc>\n" // Start of line: 0
"#include <bbbbbb>\n" // Start of line: 15
"#include <a>\n"; // Start of line: 33
EXPECT_EQ(31u, newCursor(Code, 0));
EXPECT_EQ(13u, newCursor(Code, 15));
EXPECT_EQ(0u, newCursor(Code, 33));
EXPECT_EQ(41u, newCursor(Code, 10));
EXPECT_EQ(23u, newCursor(Code, 25));
EXPECT_EQ(10u, newCursor(Code, 43));
}
TEST_F(SortIncludesTest, DeduplicateIncludes) {
EXPECT_EQ("#include <a>\n"
"#include <b>\n"
"#include <c>\n",
sort("#include <a>\n"
"#include <b>\n"
"#include <b>\n"
"#include <b>\n"
"#include <b>\n"
"#include <c>\n"));
Style.IncludeBlocks = tooling::IncludeStyle::IBS_Merge;
EXPECT_EQ("#include <a>\n"
"#include <b>\n"
"#include <c>\n",
sort("#include <a>\n"
"#include <b>\n"
"\n"
"#include <b>\n"
"\n"
"#include <b>\n"
"#include <c>\n"));
Style.IncludeBlocks = tooling::IncludeStyle::IBS_Regroup;
EXPECT_EQ("#include <a>\n"
"#include <b>\n"
"#include <c>\n",
sort("#include <a>\n"
"#include <b>\n"
"\n"
"#include <b>\n"
"\n"
"#include <b>\n"
"#include <c>\n"));
}
TEST_F(SortIncludesTest, SortAndDeduplicateIncludes) {
EXPECT_EQ("#include <a>\n"
"#include <b>\n"
"#include <c>\n",
sort("#include <b>\n"
"#include <a>\n"
"#include <b>\n"
"#include <b>\n"
"#include <c>\n"
"#include <b>\n"));
Style.IncludeBlocks = tooling::IncludeStyle::IBS_Merge;
EXPECT_EQ("#include <a>\n"
"#include <b>\n"
"#include <c>\n",
sort("#include <b>\n"
"#include <a>\n"
"\n"
"#include <b>\n"
"\n"
"#include <c>\n"
"#include <b>\n"));
Style.IncludeBlocks = tooling::IncludeStyle::IBS_Regroup;
EXPECT_EQ("#include <a>\n"
"#include <b>\n"
"#include <c>\n",
sort("#include <b>\n"
"#include <a>\n"
"\n"
"#include <b>\n"
"\n"
"#include <c>\n"
"#include <b>\n"));
}
TEST_F(SortIncludesTest, CalculatesCorrectCursorPositionAfterDeduplicate) {
std::string Code = "#include <b>\n" // Start of line: 0
"#include <a>\n" // Start of line: 13
"#include <b>\n" // Start of line: 26
"#include <b>\n" // Start of line: 39
"#include <c>\n" // Start of line: 52
"#include <b>\n"; // Start of line: 65
std::string Expected = "#include <a>\n" // Start of line: 0
"#include <b>\n" // Start of line: 13
"#include <c>\n"; // Start of line: 26
EXPECT_EQ(Expected, sort(Code));
// Cursor on 'i' in "#include <a>".
EXPECT_EQ(1u, newCursor(Code, 14));
// Cursor on 'b' in "#include <b>".
EXPECT_EQ(23u, newCursor(Code, 10));
EXPECT_EQ(23u, newCursor(Code, 36));
EXPECT_EQ(23u, newCursor(Code, 49));
EXPECT_EQ(23u, newCursor(Code, 36));
EXPECT_EQ(23u, newCursor(Code, 75));
// Cursor on '#' in "#include <c>".
EXPECT_EQ(26u, newCursor(Code, 52));
}
TEST_F(SortIncludesTest, DeduplicateLocallyInEachBlock) {
EXPECT_EQ("#include <a>\n"
"#include <b>\n"
"\n"
"#include <b>\n"
"#include <c>\n",
sort("#include <a>\n"
"#include <b>\n"
"\n"
"#include <c>\n"
"#include <b>\n"
"#include <b>\n"));
}
TEST_F(SortIncludesTest, ValidAffactedRangesAfterDeduplicatingIncludes) {
std::string Code = "#include <a>\n"
"#include <b>\n"
"#include <a>\n"
"#include <a>\n"
"\n"
" int x ;";
std::vector<tooling::Range> Ranges = {tooling::Range(0, 52)};
auto Replaces = sortIncludes(FmtStyle, Code, Ranges, "input.cpp");
Ranges = tooling::calculateRangesAfterReplacements(Replaces, Ranges);
EXPECT_EQ(1u, Ranges.size());
EXPECT_EQ(0u, Ranges[0].getOffset());
EXPECT_EQ(26u, Ranges[0].getLength());
}
TEST_F(SortIncludesTest, DoNotSortLikelyXml) {
EXPECT_EQ("<!--;\n"
"#include <b>\n"
"#include <a>\n"
"-->",
sort("<!--;\n"
"#include <b>\n"
"#include <a>\n"
"-->", "input.h", 0));
}
TEST_F(SortIncludesTest, DoNotOutputReplacementsForSortedBlocksWithRegrouping) {
Style.IncludeBlocks = Style.IBS_Regroup;
std::string Code = R"(
#include "b.h"
#include <a.h>
)";
EXPECT_EQ(Code, sort(Code, "input.h", 0));
}
TEST_F(SortIncludesTest,
DoNotOutputReplacementsForSortedBlocksWithRegroupingWindows) {
Style.IncludeBlocks = Style.IBS_Regroup;
std::string Code = "#include \"b.h\"\r\n"
"\r\n"
"#include <a.h>\r\n";
EXPECT_EQ(Code, sort(Code, "input.h", 0));
}
TEST_F(SortIncludesTest, DoNotRegroupGroupsInGoogleObjCStyle) {
FmtStyle = getGoogleStyle(FormatStyle::LK_ObjC);
EXPECT_EQ("#include <a.h>\n"
"#include <b.h>\n"
"#include \"a.h\"",
sort("#include <b.h>\n"
"#include <a.h>\n"
"#include \"a.h\""));
}
} // end namespace
} // end namespace format
} // end namespace clang