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Add unit tests for formatting documents and document ranges

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Daniel Martín 2018-01-11 02:31:52 +01:00 committed by Jacob Dufault
parent a8d403426d
commit 1836a50a48
1 changed files with 63 additions and 0 deletions
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63
src/clang_format.cc
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@ -3,6 +3,7 @@
#include "clang_format.h"
#include "working_files.h"
#include <doctest/doctest.h>
#include <loguru.hpp>
using namespace clang;
@ -51,4 +52,66 @@ std::vector<tooling::Replacement> ClangFormatDocument(
format_result.end());
}
TEST_SUITE("ClangFormat") {
TEST_CASE("entireDocument") {
const std::string sampleDocument = "int main() { int *i = 0; return 0; }";
WorkingFile* file = new WorkingFile("foo.cc", sampleDocument);
lsFormattingOptions formattingOptions;
formattingOptions.insertSpaces = true;
const auto replacements =
ClangFormatDocument(file, 0, sampleDocument.size(), formattingOptions);
// echo "int main() { int *i = 0; return 0; }" | clang-format
// -style=Chromium -output-replacements-xml
//
// <?xml version='1.0'?>
// <replacements xml:space='preserve' incomplete_format='false'>
// <replacement offset='12' length='1'>&#10; </replacement>
// <replacement offset='16' length='1'></replacement>
// <replacement offset='18' length='0'> </replacement>
// <replacement offset='24' length='1'>&#10; </replacement>
// <replacement offset='34' length='1'>&#10;</replacement>
// </replacements>
REQUIRE(replacements.size() == 5);
REQUIRE(replacements[0].getOffset() == 12);
REQUIRE(replacements[0].getLength() == 1);
REQUIRE(replacements[0].getReplacementText() == "\n ");
REQUIRE(replacements[1].getOffset() == 16);
REQUIRE(replacements[1].getLength() == 1);
REQUIRE(replacements[1].getReplacementText() == "");
REQUIRE(replacements[2].getOffset() == 18);
REQUIRE(replacements[2].getLength() == 0);
REQUIRE(replacements[2].getReplacementText() == " ");
REQUIRE(replacements[3].getOffset() == 24);
REQUIRE(replacements[3].getLength() == 1);
REQUIRE(replacements[3].getReplacementText() == "\n ");
REQUIRE(replacements[4].getOffset() == 34);
REQUIRE(replacements[4].getLength() == 1);
REQUIRE(replacements[4].getReplacementText() == "\n");
}
TEST_CASE("range") {
const std::string sampleDocument = "int main() { int *i = 0; return 0; }";
WorkingFile* file = new WorkingFile("foo.cc", sampleDocument);
lsFormattingOptions formattingOptions;
formattingOptions.insertSpaces = true;
const auto replacements =
ClangFormatDocument(file, 30, sampleDocument.size(), formattingOptions);
REQUIRE(replacements.size() == 2);
REQUIRE(replacements[0].getOffset() == 24);
REQUIRE(replacements[0].getLength() == 1);
REQUIRE(replacements[0].getReplacementText() == "\n ");
REQUIRE(replacements[1].getOffset() == 34);
REQUIRE(replacements[1].getLength() == 1);
REQUIRE(replacements[1].getReplacementText() == "\n");
}
}
#endif