testassert.java

来自「think in java TIJ-3rd-edition-code.zip」· Java 代码 · 共 24 行

//: c05:TestAssert.java
// Demonstrating the assertion tool.
// Comment the following, and uncomment the
// subsequent line to change assertion behavior:
import com.bruceeckel.simpletest.*;
import com.bruceeckel.tools.debug.*;
// import com.bruceeckel.tools.*;

public class TestAssert {
  public static void main(String[] args) {
    SimpleTest monitor =
      new SimpleTest("TestAssert");
    Assert.is_true((2 + 2) == 5);
    Assert.is_false((1 + 1) == 2);
    Assert.is_true((2 + 2) == 5, "2 + 2 == 5");
    Assert.is_false((1 + 1) == 2, "1 +1 != 2");
    monitor.expect(new String[] {
      "Assertion failed",
      "Assertion failed",
      "Assertion failed: 2 + 2 == 5",
      "Assertion failed: 1 +1 != 2"
    });
  }
} ///:~