com.google.testing.threadtester.SinglePositionBreakpoint Maven / Gradle / Ivy

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Thread Weaver is a framework for writing multi-threaded unit tests in Java. It provides mechanisms for creating breakpoints within code, and for halting execution of a thread when a breakpoint is reached.

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/*
 * Copyright 2009 Weaver authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.testing.threadtester;

/**
 * A Breakpoint based on a single CodePosition.
 *
 * @see MultiPositionBreakpoint
 *
 * @author [email protected] (Alasdair Mackintosh)
 */
public class SinglePositionBreakpoint extends InstrumentedCodeBreakpoint {

  private final CodePosition position;

  public SinglePositionBreakpoint(Thread thread, CodePosition position) {
    super(thread);
    if (position == null) {
      throw new IllegalArgumentException("position canot be null");
    }
    this.position = position;
  }

  @Override
  protected boolean doesMatch(CodePosition otherPosition) {
    return position.matches(otherPosition);
  }

  @Override
  protected String getPositionDescription() {
    return position.toString();
  }
}