Adding objcpp liveness test

Reviewed By: dulmarod

Differential Revision: D8615100

fbshipit-source-id: 5373204

Makefile

@@ -67,7 +67,7 @@ BUILD_SYSTEMS_TESTS += xcodebuild_no_xcpretty objc_getters_setters
 DIRECT_TESTS += \
   objc_frontend objc_errors objc_linters objc_ioslints \
 	objcpp_frontend objcpp_linters objc_linters-for-test-only objcpp_linters-for-test-only \
-	objc_linters-def-folder objc_nullable objc_liveness objc_uninit
+	objc_linters-def-folder objc_nullable objc_liveness objcpp_liveness objc_uninit
 ifneq ($(XCPRETTY),no)
 BUILD_SYSTEMS_TESTS += xcodebuild
 endif

infer/tests/codetoanalyze/objcpp/liveness/ClassMethod.mm

@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2017-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import <Foundation/NSObject.h>
+
+struct A {
+  Class ac;
+  NSObject* a;
+};
+
+@interface I : NSObject
++ (instancetype)newWithA:(const A&)a;
+@end
+
+@implementation I
++ (instancetype)newWithA:(const A&)a {
+  return [self alloc];
+}
+@end
+
+id cMehtod() {
+  NSObject* o = [NSObject new];
+  return [I newWithA:{[I class], o}];
+}

infer/tests/codetoanalyze/objcpp/liveness/Makefile

@@ -0,0 +1,17 @@
+# Copyright (c) 2016-present, Facebook, Inc.
+#
+# This source code is licensed under the MIT license found in the
+# LICENSE file in the root directory of this source tree.
+
+TESTS_DIR = ../../..
+
+ANALYZER = checkers
+CLANG_OPTIONS = -x objective-c++ -std=c++11 -fobjc-arc -c
+INFER_OPTIONS = --liveness-only --debug-exceptions --project-root $(TESTS_DIR)
+INFERPRINT_OPTIONS = --issues-tests
+
+SOURCES = $(wildcard *.mm)
+
+include $(TESTS_DIR)/clang.make
+
+infer-out/report.json: $(MAKEFILE_LIST)