[clang-format] Optionally insert a space after unary ! operator

llvm-svn: 357908

1 files changed, 17 insertions, 0 deletions

diff --git a/clang/unittests/Format/FormatTest.cpp b/clang/unittests/Format/FormatTest.cpp
index 3256ea54ab6..1839172047e 100644
--- a/clang/unittests/Format/FormatTest.cpp
+++ b/clang/unittests/Format/FormatTest.cpp
@@ -9719,6 +9719,17 @@ TEST_F(FormatTest, ConfigurableSpaceBeforeParens) {
   verifyFormat("auto lambda = []() { return 0; };", SomeSpace);
 }
 
+TEST_F(FormatTest, SpaceAfterLogicalNot) {
+  FormatStyle Spaces = getLLVMStyle();
+  Spaces.SpaceAfterLogicalNot = true;
+
+  verifyFormat("bool x = ! y", Spaces);
+  verifyFormat("if (! isFailure())", Spaces);
+  verifyFormat("if (! (a && b))", Spaces);
+  verifyFormat("\"Error!\"", Spaces);
+  verifyFormat("! ! x", Spaces);
+}
+
 TEST_F(FormatTest, ConfigurableSpacesInParentheses) {
   FormatStyle Spaces = getLLVMStyle();
 
@@ -11511,6 +11522,12 @@ TEST_F(FormatTest, ParsesConfiguration) {
   CHECK_PARSE("SpaceAfterControlStatementKeyword: true", SpaceBeforeParens,
               FormatStyle::SBPO_ControlStatements);
 
+  Style.SpaceAfterLogicalNot = false;
+  CHECK_PARSE("SpaceAfterLogicalNot: true", SpaceAfterLogicalNot,
+              true);
+  CHECK_PARSE("SpaceAfterLogicalNot: false", SpaceAfterLogicalNot,
+              false);
+
   Style.ColumnLimit = 123;
   FormatStyle BaseStyle = getLLVMStyle();
   CHECK_PARSE("BasedOnStyle: LLVM", ColumnLimit, BaseStyle.ColumnLimit);