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[clangd] Unit test for sourceLocationInMainFile. 

This should have been part of r352494, which added the corresponding
function. The unit test ended up as a separate commit accidentally.

llvm-svn: 352501
This commit is contained in:
Ilya Biryukov 2019-01-29 14:31:19 +00:00
parent 0799352026
commit 060f7fe3e3
1 changed files with 36 additions and 0 deletions
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36
clang-tools-extra/unittests/clangd/SourceCodeTests.cpp
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@ -5,6 +5,7 @@
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "Annotations.h"
#include "SourceCode.h"
#include "llvm/Support/Error.h"
#include "llvm/Support/raw_os_ostream.h"
@ -16,6 +17,9 @@ namespace clang {
namespace clangd {
namespace {
using llvm::Failed;
using llvm::HasValue;
MATCHER_P2(Pos, Line, Col, "") {
return arg.line == Line && arg.character == Col;
}
@ -140,6 +144,38 @@ TEST(SourceCodeTests, IsRangeConsecutive) {
isRangeConsecutive(range({2, 2}, {2, 3}), range({2, 4}, {2, 5})));
}
TEST(SourceCodeTests, SourceLocationInMainFile) {
Annotations Source(R"cpp(
^in^t ^foo
^bar
^baz ^() {} {} {} {} { }^
)cpp");
SourceManagerForFile Owner("foo.cpp", Source.code());
SourceManager &SM = Owner.get();
SourceLocation StartOfFile = SM.getLocForStartOfFile(SM.getMainFileID());
EXPECT_THAT_EXPECTED(sourceLocationInMainFile(SM, position(0, 0)),
HasValue(StartOfFile));
// End of file.
EXPECT_THAT_EXPECTED(
sourceLocationInMainFile(SM, position(4, 0)),
HasValue(StartOfFile.getLocWithOffset(Source.code().size())));
// Column number is too large.
EXPECT_THAT_EXPECTED(sourceLocationInMainFile(SM, position(0, 1)), Failed());
EXPECT_THAT_EXPECTED(sourceLocationInMainFile(SM, position(0, 100)),
Failed());
EXPECT_THAT_EXPECTED(sourceLocationInMainFile(SM, position(4, 1)), Failed());
// Line number is too large.
EXPECT_THAT_EXPECTED(sourceLocationInMainFile(SM, position(5, 0)), Failed());
// Check all positions mentioned in the test return valid results.
for (auto P : Source.points()) {
size_t Offset = llvm::cantFail(positionToOffset(Source.code(), P));
EXPECT_THAT_EXPECTED(sourceLocationInMainFile(SM, P),
HasValue(StartOfFile.getLocWithOffset(Offset)));
}
}
} // namespace
} // namespace clangd
} // namespace clang