[clangd] FuzzyMatch exposes an API for its word segmentation. NFC
Summary: This is intended to be used for indexing, e.g. in D49417
Reviewers: ioeric, omtcyfz
Subscribers: ilya-biryukov, MaskRay, jkorous, arphaman, cfe-commits
Differential Revision: https://reviews.llvm.org/D49540
git-svn-id: https://llvm.org/svn/llvm-project/clang-tools-extra/trunk@337527 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/unittests/clangd/FuzzyMatchTests.cpp b/unittests/clangd/FuzzyMatchTests.cpp
index 4e3de6b..c03f8f3 100644
--- a/unittests/clangd/FuzzyMatchTests.cpp
+++ b/unittests/clangd/FuzzyMatchTests.cpp
@@ -273,6 +273,29 @@
EXPECT_THAT("Abs", matches("[abs]", 2.f));
}
+// Returns pretty-printed segmentation of Text.
+// e.g. std::basic_string --> +-- +---- +-----
+std::string segment(StringRef Text) {
+ std::vector<CharRole> Roles(Text.size());
+ calculateRoles(Text, Roles);
+ std::string Printed;
+ for (unsigned I = 0; I < Text.size(); ++I)
+ Printed.push_back("?-+ "[static_cast<unsigned>(Roles[I])]);
+ return Printed;
+}
+
+// this is a no-op hack so clang-format will vertically align our testcases.
+StringRef returns(StringRef Text) { return Text; }
+
+TEST(FuzzyMatch, Segmentation) {
+ EXPECT_THAT(segment("std::basic_string"), //
+ returns("+-- +---- +-----"));
+ EXPECT_THAT(segment("XMLHttpRequest"), //
+ returns("+--+---+------"));
+ EXPECT_THAT(segment("t3h PeNgU1N oF d00m!!!!!!!!"), //
+ returns("+-- +-+-+-+ ++ +--- "));
+}
+
} // namespace
} // namespace clangd
} // namespace clang
