[PATCH] D91330: [clangd] Ensure we test for compatibility of serialized index format

[Kadir Cetinkaya via Phabricator via cfe-commits]

kadircet created this revision.
kadircet added a reviewer: sammccall.
Herald added subscribers: cfe-commits, wenlei, usaxena95, arphaman.
Herald added a project: clang.
kadircet requested review of this revision.
Herald added subscribers: MaskRay, ilya-biryukov.

Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D91330

Files:
  clang-tools-extra/clangd/test/index-serialization/Inputs/sample.cpp
  clang-tools-extra/clangd/test/index-serialization/Inputs/sample.h
  clang-tools-extra/clangd/test/index-serialization/Inputs/sample.idx
  clang-tools-extra/clangd/test/index-serialization/version-is-correct.test


Index: clang-tools-extra/clangd/test/index-serialization/version-is-correct.test
===================================================================
--- /dev/null
+++ clang-tools-extra/clangd/test/index-serialization/version-is-correct.test
@@ -0,0 +1,11 @@
+# If this test fails it means there has been a backward incompatilbe change to
+# serialization format. Please bump the version number in
+# clang-tools-extra/clangd/index/Serialization.cpp and regenarate the sample.idx
+# with
+# clangd-indexer \
+# clang-tools-extra/clangd/test/index-serialization/Inputs/sample.cpp > \
+# clang-tools-extra/clangd/test/index-serialization/Inputs/sample.idx
+# Also if you've introduced new slabs/chunks to serialized index, make sure
+# indexing sample.cpp would yield non-trivial values for those.
+# RUN: dexp %/S/Inputs/sample.idx
+
Index: clang-tools-extra/clangd/test/index-serialization/Inputs/sample.h
===================================================================
--- /dev/null
+++ clang-tools-extra/clangd/test/index-serialization/Inputs/sample.h
@@ -0,0 +1,4 @@
+#pragma once
+
+// Introduce a symbol.
+struct Foo {};
Index: clang-tools-extra/clangd/test/index-serialization/Inputs/sample.cpp
===================================================================
--- /dev/null
+++ clang-tools-extra/clangd/test/index-serialization/Inputs/sample.cpp
@@ -0,0 +1,5 @@
+// Include a file to ensure we have multiple sources.
+#include "sample.h"
+
+// This introduces a symbol, a reference and a relation.
+struct Bar : public Foo {};


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