[SyntaxTree] Test for '\' inside token.

Differential Revision: https://reviews.llvm.org/D87895

diff --git a/clang/unittests/Tooling/Syntax/BuildTreeTest.cpp b/clang/unittests/Tooling/Syntax/BuildTreeTest.cpp
index 95ebeb2c5940371276e62291436868d75970e127..52bd5988b44ece876e62540b2acba73dead91843 100644 (file)
--- a/clang/unittests/Tooling/Syntax/BuildTreeTest.cpp
+++ b/clang/unittests/Tooling/Syntax/BuildTreeTest.cpp
@@ -167,6 +167,23 @@ TranslationUnit Detached
 )txt"));
 }
 
+TEST_P(BuildSyntaxTreeTest, Simple_BackslashInsideToken) {
+  EXPECT_TRUE(treeDumpEqual(
+      R"cpp(
+in\
+t a;
+)cpp",
+      R"txt(
+TranslationUnit Detached
+`-SimpleDeclaration
+  |-'in\
+t'
+  |-SimpleDeclarator Declarator
+  | `-'a'
+  `-';'
+)txt"));
+}
+
 TEST_P(BuildSyntaxTreeTest, If) {
   EXPECT_TRUE(treeDumpEqualOnAnnotations(
       R"cpp(