LogTest.java

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// Copyright 2013 The Flutter 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 io.flutter;
 
import static org.junit.Assert.assertEquals;
 
import java.io.PrintWriter;
import java.io.StringWriter;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.robolectric.RobolectricTestRunner;
import org.robolectric.annotation.Config;
 
@Config(manifest = Config.NONE)
@RunWith(RobolectricTestRunner.class)
public class LogTest {
 
  @Test
  public void canGetStacktraceString() {
    Exception exception = new Exception();
    String str = Log.getStackTraceString(exception);
 
    StringWriter stringWriter = new StringWriter();
    PrintWriter printWriter = new PrintWriter(stringWriter);
    exception.printStackTrace(printWriter);
    String expectStr = stringWriter.toString();
 
    assertEquals(str, expectStr);
  }
}