Allow breaking after "::" if absolutely necessary.
Otherwise, really long nested name specifiers can easily lead to a
violation of the column limit.
Not sure about the rules for indentation in those cases, so input is
appreciated (see tests.).
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173438 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/unittests/Format/FormatTest.cpp b/unittests/Format/FormatTest.cpp
index d8a6ddc..2250c03 100644
--- a/unittests/Format/FormatTest.cpp
+++ b/unittests/Format/FormatTest.cpp
@@ -1204,6 +1204,33 @@
"void f();");
}
+TEST_F(FormatTest, WrapsAtNestedNameSpecifiers) {
+ verifyFormat(
+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa::\n"
+ " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa();");
+ verifyFormat(
+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa::\n"
+ " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
+ " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa());");
+
+ // FIXME: Should we have an extra indent after the second break?
+ verifyFormat(
+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa::\n"
+ " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa::\n"
+ " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa();");
+
+ // FIXME: Look into whether we should indent 4 from the start or 4 from
+ // "bbbbb..." here instead of what we are doing now.
+ verifyFormat(
+ "aaaaaaaaaaaaaaa(bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb::\n"
+ " cccccccccccccccccccccccccccccccccccccccccccccccccc());");
+
+ // Breaking at nested name specifiers is generally not desirable.
+ verifyFormat(
+ "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa::aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
+ " aaaaaaaaaaaaaaaaaaaaaaa);");
+}
+
TEST_F(FormatTest, UnderstandsTemplateParameters) {
verifyFormat("A<int> a;");
verifyFormat("A<A<A<int> > > a;");