Add basic integration test for assembly code

Summary: Make sure that infer ignores the .S file and still finds an issue in `hello.c`

Reviewed By: jvillard

Differential Revision: D4110622

fbshipit-source-id: 32f907e

infer/tests/build_systems/build_integration_tests.py

@@ -61,6 +61,7 @@ EXPECTED_OUTPUTS_DIR = os.path.join(SCRIPT_DIR, 'expected_outputs')
 
 ALL_TESTS = [
     'ant',
+    'assembly',
     'buck',
     'cc1',
     'cmake',
@@ -496,6 +497,11 @@ class BuildIntegrationTest(unittest.TestCase):
              [],
              preprocess=preprocess)
 
+    def test_clang_assembly(self):
+        test('assembly', 'compile with assembly code', CODETOANALYZE_DIR,
+             [{'compile': ['clang', '-x', 'c', '-c', 'hello.c', '-x',
+                           'assembler-with-cpp', 'example.S']}])
+
     def test_clang_component_kit_imports(self):
         test('componentkit', 'component quality analyzer  skips imports',
              os.path.join(CODETOANALYZE_DIR, 'componentkit'),

infer/tests/build_systems/codetoanalyze/example.S

@@ -0,0 +1,20 @@
+/*
+ * Copyright (c) 2016 - present Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ */
+
+// THIS CODE HAS NO REAL MEANING, DO NOT TRY TO USE IT
+        .file "example.S"
+        .text
+test:
+        pushq   %rbp
+        movq    %rsp, %rbp
+        movl    %edi, -4(%rbp)
+        movl    -4(%rbp), %eax
+        addl    $1, %eax
+        popq    %rbp
+        ret

infer/tests/build_systems/expected_outputs/assembly_report.json

@@ -0,0 +1,7 @@
+[
+  {
+    "bug_type": "NULL_DEREFERENCE",
+    "file": "hello.c",
+    "procedure": "test"
+  }
+]