Match classname for stackframes in crashcontext checker.

Reviewed By: sblackshear

Differential Revision: D3643135

fbshipit-source-id: bb38b1b

infer/tests/codetoanalyze/java/crashcontext/BUCK

@@ -53,6 +53,11 @@ infer_cmds = [
         "BranchingCallsExample",
         "BranchingCallsExample.java",
         "BranchingCallsExample.stacktrace.json"
+    ),
+    mk_infer_cmd(
+        "MethodNameClashExample",
+        "MethodNameClashExample.java",
+        "MethodNameClashExample.stacktrace.json"
     )
 ]
 

infer/tests/codetoanalyze/java/crashcontext/MethodNameClashExample.java

@@ -0,0 +1,35 @@
+/*
+ * 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.
+ */
+
+package codetoanalyze.java.crashcontext;
+
+public class MethodNameClashExample {
+
+  public static class A {
+
+    public static void foo() {
+      String s = null;
+      s.toString();
+    }
+
+  }
+
+  public static class B {
+
+    public static void foo() {
+      A.foo();
+    }
+
+  }
+
+  public static void main(String[] args) {
+    B.foo();
+  }
+
+}

infer/tests/codetoanalyze/java/crashcontext/MethodNameClashExample.stacktrace.json

@@ -0,0 +1 @@
+{"exception_type": "java.lang.NullPointerException", "stack_trace": ["at codetoanalyze.java.crashcontext.MethodNameClashExample$A.foo(MethodNameClashExample.java:18)","at codetoanalyze.java.crashcontext.MethodNameClashExample$B.foo(MethodNameClashExample.java:26)","at codetoanalyze.java.crashcontext.MethodNameClashExample.main(MethodNameClashExample.java:32)",""], "exception_message": "", "normvector_stack": ["codetoanalyze.java.crashcontext.MethodNameClashExample$A.foo","codetoanalyze.java.crashcontext.MethodNameClashExample$B.foo","codetoanalyze.java.crashcontext.MethodNameClashExample.main"]}

infer/tests/endtoend/java/crashcontext/MethodNameClashTest.java

@@ -0,0 +1,52 @@
+/*
+ * 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.
+ */
+
+package endtoend.java.crashcontext;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+import java.io.IOException;
+
+import utils.CrashContextResults;
+
+public class MethodNameClashTest {
+
+  public static final String TAG = "MethodNameClashExample";
+
+  public static final String MAIN_METHOD =
+    "codetoanalyze.java.crashcontext.MethodNameClashExample.main(java.lang.String[]):void";
+
+  public static final String A_FOO_METHOD =
+    "codetoanalyze.java.crashcontext.MethodNameClashExample$A.foo():void";
+
+  public static final String B_FOO_METHOD =
+    "codetoanalyze.java.crashcontext.MethodNameClashExample$B.foo():void";
+
+  private static CrashContextResults crashcontext;
+
+  @BeforeClass
+  public static void loadResults() throws IOException {
+    crashcontext =
+      CrashContextResults.loadJSONResults(TAG);
+  }
+
+  @Test
+  public void shapeOfTheStack() {
+      assertThat("The stack trace should contain " + A_FOO_METHOD,
+                 crashcontext.hasStackFrame(A_FOO_METHOD, 0));
+      assertThat("The stack trace should contain " + B_FOO_METHOD,
+                 crashcontext.hasStackFrame(B_FOO_METHOD, 1));
+      assertThat("The stack trace should contain " + MAIN_METHOD,
+                 crashcontext.hasStackFrame(MAIN_METHOD, 2));
+  }
+
+}