[pulse] Add pulse tests for objective-c (the c part of it)

Reviewed By: ngorogiannis

Differential Revision: D17183375

fbshipit-source-id: 0ecdf2072

Makefile

@@ -105,6 +105,7 @@ DIRECT_TESTS += \
   objc_liveness \
   objc_nullable \
   objc_performance \
+  objc_pulse \
   objc_quandary \
   objc_uninit \
   objcpp_errors \

infer/tests/codetoanalyze/objc/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 $(OBJC_CLANG_OPTIONS)
+INFER_OPTIONS = --pulse-only --debug-exceptions --project-root $(TESTS_DIR)
+INFERPRINT_OPTIONS = --issues-tests
+
+SOURCES = $(wildcard *.m)
+
+include $(TESTS_DIR)/clang.make
+include $(TESTS_DIR)/objc.make
+
+infer-out/report.json: $(MAKEFILE_LIST)

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

@@ -0,0 +1,2 @@
+codetoanalyze/objc/pulse/use_after_free.m, PulseTest::use_after_free_simple_in_objc_method_bad:, 2, USE_AFTER_FREE, no_bucket, ERROR, [invalidation part of the trace starts here,memory was invalidated by call to `free()` here,use-after-lifetime part of the trace starts here,invalid access occurs here]
+codetoanalyze/objc/pulse/use_after_free.m, use_after_free_simple_bad, 2, USE_AFTER_FREE, no_bucket, ERROR, [invalidation part of the trace starts here,memory was invalidated by call to `free()` here,use-after-lifetime part of the trace starts here,invalid access occurs here]

infer/tests/codetoanalyze/objc/pulse/use_after_free.m

@@ -0,0 +1,27 @@
+/*
+ * 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.
+ */
+#import <Foundation/NSObject.h>
+
+@interface PulseTest : NSObject
+
+- (int)use_after_free_simple_in_objc_method_bad:(int*)x;
+
+@end
+
+@implementation PulseTest
+
+- (int)use_after_free_simple_in_objc_method_bad:(int*)x {
+  free(x);
+  return *x;
+}
+
+@end
+
+int use_after_free_simple_bad(int* x) {
+  free(x);
+  return *x;
+}