Improve identification of c-style casts.

A ")" before any of "=", "{" or ";" won't be a cast. This fixes issues
with the formatting of unnamed parameters.

Before: void f(int *){}
After:  void f(int *) {}

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172349 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 19 insertions, 3 deletions

diff --git a/unittests/Format/FormatTest.cpp b/unittests/Format/FormatTest.cpp
index 5ace0f82f9..765d16f99a 100644
--- a/unittests/Format/FormatTest.cpp
+++ b/unittests/Format/FormatTest.cpp
@@ -1045,9 +1045,6 @@ TEST_F(FormatTest, UnderstandsUsesOfStarAndAmp) {
   verifyFormat("A<int **> a;");
   verifyFormat("A<int *, int *> a;");
   verifyFormat("A<int **, int **> a;");
-  verifyFormat("Type *A = static_cast<Type *>(P);");
-  verifyFormat("Type *A = (Type *)P;");
-  verifyFormat("Type *A = (vector<Type *, int *>)P;");
 
   verifyFormat(
       "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
@@ -1062,6 +1059,25 @@ TEST_F(FormatTest, UnderstandsUsesOfStarAndAmp) {
   verifyGoogleFormat("int a = b ? *c : *d;");
 }
 
+TEST_F(FormatTest, FormatsCasts) {
+  verifyFormat("Type *A = static_cast<Type *>(P);");
+  verifyFormat("Type *A = (Type *)P;");
+  verifyFormat("Type *A = (vector<Type *, int *>)P;");
+  verifyFormat("int a = (int)(2.0f);");
+
+  // FIXME: These also need to be identified.
+  verifyFormat("int a = (int) 2.0f;");
+  verifyFormat("int a = (int) * b;");
+
+  // These are not casts.
+  verifyFormat("void f(int *) {}");
+  verifyFormat("void f(int *);");
+  verifyFormat("void f(int *) = 0;");
+  verifyFormat("void f(SmallVector<int>) {}");
+  verifyFormat("void f(SmallVector<int>);");
+  verifyFormat("void f(SmallVector<int>) = 0;");
+}
+
 TEST_F(FormatTest, FormatsFunctionTypes) {
   // FIXME: Determine the cases that need a space after the return type and fix.
   verifyFormat("A<bool()> a;");