System.Assert 断言

本文探讨了Assert断言在软件开发中的应用,通过示例代码展示了如何使用Assert进行调试,并介绍了如何通过编译选项控制Assert的功能。

var
  List: TStringList;

procedure TForm1.FormCreate(Sender: TObject);
begin
//  Assert(Assigned(List)); //第二个参数默认 'Assertion failure'
  Assert(Assigned(List), 'List 对象没有建立');
end;

 
 
 
 
 

 

 

  

可用 {$ASSERTIONS OFF/ON} 决定是否启用 Assert; 默认只用于 Debug 版本.

转载于:https://my.oschina.net/hermer/blog/320571

There were 10 failures: java.lang.AssertionError at org.junit.Assert.fail(Assert.java:87) at org.junit.Assert.assertTrue(Assert.java:42) at org.junit.Assert.assertTrue(Assert.java:53) at com.google.android.settings.gts.TheftProtectionSettingsTest.assertFoundObjectWithText(TheftProtectionSettingsTest.java:99) at com.google.android.settings.gts.TheftProtectionSettingsTest.theftProtectionFeatureNaming(TheftProtectionSettingsTest.java:70) java.lang.AssertionError at org.junit.Assert.fail(Assert.java:87) at org.junit.Assert.assertTrue(Assert.java:42) at org.junit.Assert.assertTrue(Assert.java:53) at com.google.android.settings.gts.TheftProtectionSettingsTest.assertFoundObjectWithText(TheftProtectionSettingsTest.java:99) at com.google.android.settings.gts.TheftProtectionSettingsTest.theftProtectionFeatureNaming(TheftProtectionSettingsTest.java:70) java.lang.AssertionError at org.junit.Assert.fail(Assert.java:87) at org.junit.Assert.assertTrue(Assert.java:42) at org.junit.Assert.assertTrue(Assert.java:53) at com.google.android.settings.gts.TheftProtectionSettingsTest.assertFoundObjectWithText(TheftProtectionSettingsTest.java:99) at com.google.android.settings.gts.TheftProtectionSettingsTest.theftProtectionFeatureNaming(TheftProtectionSettingsTest.java:70) java.lang.AssertionError at org.junit.Assert.fail(Assert.java:87) at org.junit.Assert.assertTrue(Assert.java:42) at org.junit.Assert.assertTrue(Assert.java:53) at com.google.android.settings.gts.TheftProtectionSettingsTest.assertFoundObjectWithText(TheftProtectionSettingsTest.java:99) at com.google.android.settings.gts.TheftProtectionSettingsTest.theftProtectionFeatureNaming(TheftProtectionSettingsTest.java:70) java.lang.AssertionError at org.junit.Assert.fail(Assert.java:87) at org.junit.Assert.assertTrue(Assert.java:42) at org.junit.Assert.assertTrue(Assert.java:53) at com.google.android.settings.gts.TheftProtectionSettingsTest.assertFoundObjectWithText(TheftProtectionSettingsTest.java:99) at com.google.android.settings.gts.TheftProtectionSettingsTest.theftProtectionFeatureNaming(TheftProtectionSettingsTest.java:70) java.lang.AssertionError at org.junit.Assert.fail(Assert.java:87) at org.junit.Assert.assertTrue(Assert.java:42) at org.junit.Assert.assertTrue(Assert.java:53) at com.google.android.settings.gts.TheftProtectionSettingsTest.assertFoundObjectWithText(TheftProtectionSettingsTest.java:99) at com.google.android.settings.gts.TheftProtectionSettingsTest.theftProtectionFeatureNaming(TheftProtectionSettingsTest.java:70) java.lang.AssertionError at org.junit.Assert.fail(Assert.java:87) at org.junit.Assert.assertTrue(Assert.java:42) at org.junit.Assert.assertTrue(Assert.java:53) at com.google.android.settings.gts.TheftProtectionSettingsTest.assertFoundObjectWithText(TheftProtectionSettingsTest.java:99) at com.google.android.settings.gts.TheftProtectionSettingsTest.theftProtectionFeatureNaming(TheftProtectionSettingsTest.java:70) java.lang.AssertionError at org.junit.Assert.fail(Assert.java:87) at org.junit.Assert.assertTrue(Assert.java:42) at org.junit.Assert.assertTrue(Assert.java:53) at com.google.android.settings.gts.TheftProtectionSettingsTest.assertFoundObjectWithText(TheftProtectionSettingsTest.java:99) at com.google.android.settings.gts.TheftProtectionSettingsTest.theftProtectionFeatureNaming(TheftProtectionSettingsTest.java:70) java.lang.AssertionError at org.junit.Assert.fail(Assert.java:87) at org.junit.Assert.assertTrue(Assert.java:42) at org.junit.Assert.assertTrue(Assert.java:53) at com.google.android.settings.gts.TheftProtectionSettingsTest.assertFoundObjectWithText(TheftProtectionSettingsTest.java:99) at com.google.android.settings.gts.TheftProtectionSettingsTest.theftProtectionFeatureNaming(TheftProtectionSettingsTest.java:70) java.lang.AssertionError at org.junit.Assert.fail(Assert.java:87) at org.junit.Assert.assertTrue(Assert.java:42) at org.junit.Assert.assertTrue(Assert.java:53) at com.google.android.settings.gts.TheftProtectionSettingsTest.assertFoundObjectWithText(TheftProtectionSettingsTest.java:99) at com.google.android.settings.gts.TheftProtectionSettingsTest.theftProtectionFeatureNaming(TheftProtectionSettingsTest.java:70) 这段报错是什么意思?
最新发布
08-22
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