Upstream oodles of Chrome for Android code into Chromium.

chrome/android/javatests/src/org/chromium/chrome/browser/crash/CrashTestCase.java

+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package org.chromium.chrome.browser.crash;
+
+import android.test.InstrumentationTestCase;
+import android.util.Log;
+
+import java.io.File;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.util.Arrays;
+import java.util.List;
+
+/**
+ * Base case for Crash upload related tests.
+ */
+public class CrashTestCase extends InstrumentationTestCase {
+    private static final String TAG = "CrashTestCase";
+
+    protected File mCrashDir;
+    protected File mCacheDir;
+
+    @Override
+    protected void setUp() throws Exception {
+        super.setUp();
+        mCacheDir = getInstrumentation().getTargetContext().getCacheDir();
+        mCrashDir = new File(
+                mCacheDir,
+                CrashFileManager.CRASH_DUMP_DIR);
+        if (!mCrashDir.isDirectory() && !mCrashDir.mkdir()) {
+            throw new Exception("Unable to create directory: " + mCrashDir.getAbsolutePath());
+        }
+    }
+
+    @Override
+    protected void tearDown() throws Exception {
+        super.tearDown();
+        List<File> crashFiles = Arrays.asList(mCrashDir.listFiles());
+        for (File crashFile : crashFiles) {
+            if (!crashFile.delete()) {
+                Log.e(TAG, "Unable to delete: " + crashFile.getAbsolutePath());
+            }
+        }
+        if (!mCrashDir.delete()) {
+            Log.e(TAG, "Unable to delete: " + mCrashDir.getAbsolutePath());
+        }
+    }
+
+    protected static void setUpMinidumpFile(File file, String boundary) throws IOException {
+        PrintWriter miniDumpWriter = null;
+        try {
+            miniDumpWriter = new PrintWriter(new FileWriter(file));
+            miniDumpWriter.println("--" + boundary);
+            miniDumpWriter.println("Content-Disposition: form-data; name=\"prod\"");
+            miniDumpWriter.println();
+            miniDumpWriter.println("Chrome_Android");
+            miniDumpWriter.println("--" + boundary);
+            miniDumpWriter.println("Content-Disposition: form-data; name=\"ver\"");
+            miniDumpWriter.println();
+            miniDumpWriter.println("1");
+            miniDumpWriter.println(boundary + "--");
+            miniDumpWriter.flush();
+            miniDumpWriter.close();
+        } finally {
+            if (miniDumpWriter != null) {
+                miniDumpWriter.close();
+            }
+        }
+    }
+}