[pulse] Adding tests for pulse in Objective-C++ (the C++ part)

Summary: This shows that the current Pulse analyzer works fine in the C++ part of the Objc++ files.

Reviewed By: martintrojer

Differential Revision: D17225683

fbshipit-source-id: faf51c5fa

Makefile

@@ -114,6 +114,7 @@ DIRECT_TESTS += \
   objcpp_linters-for-test-only \
   objcpp_liveness \
   objcpp_nullable \
+	objcpp_pulse \
   objcpp_racerd \
   objcpp_retain-cycles \
 

infer/tests/codetoanalyze/objcpp/pulse/Makefile

@@ -0,0 +1,17 @@
+# Copyright (c) Facebook, Inc. and its affiliates.
+#
+# This source code is licensed under the MIT license found in the
+# LICENSE file in the root directory of this source tree.
+
+TESTS_DIR = ../../..
+
+CLANG_OPTIONS = -c $(OBJCPP_CLANG_OPTIONS)
+INFER_OPTIONS = --pulse-only --debug-exceptions --project-root $(TESTS_DIR)
+INFERPRINT_OPTIONS = --issues-tests
+
+SOURCES = $(wildcard *.mm)
+
+include $(TESTS_DIR)/clang.make
+include $(TESTS_DIR)/objc.make
+
+infer-out/report.json: $(MAKEFILE_LIST)

infer/tests/codetoanalyze/objcpp/pulse/issues.exp

@@ -0,0 +1,2 @@
+codetoanalyze/objcpp/pulse/use_after_delete.mm, PulseTest::deref_deleted_in_objc_method_bad, 3, USE_AFTER_DELETE, no_bucket, ERROR, [invalidation part of the trace starts here,assigned,memory was invalidated by `delete` here,use-after-lifetime part of the trace starts here,assigned,when calling `Simple::Simple()` here,invalid access occurs here]
+codetoanalyze/objcpp/pulse/use_after_delete.mm, deref_deleted_bad, 3, USE_AFTER_DELETE, no_bucket, ERROR, [invalidation part of the trace starts here,assigned,memory was invalidated by `delete` here,use-after-lifetime part of the trace starts here,assigned,when calling `Simple::Simple()` here,invalid access occurs here]

infer/tests/codetoanalyze/objcpp/pulse/use_after_delete.mm

@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#include <memory>
+#include <string>
+#include <vector>
+
+#import <Foundation/NSObject.h>
+
+struct Simple {
+  int f;
+};
+
+@interface PulseTest : NSObject
+
+- (int)deref_deleted_in_objc_method_bad;
+
+@end
+
+@implementation PulseTest
+
+- (int)deref_deleted_in_objc_method_bad {
+  auto* s = new Simple{1};
+  delete s;
+  Simple tmp = *s;
+}
+
+@end
+
+void deref_deleted_bad() {
+  auto* s = new Simple{1};
+  delete s;
+  Simple tmp = *s;
+}