assertion | 易学教程

AssertEquals 2 Lists ignore order

阅读更多关于 AssertEquals 2 Lists ignore order

问题 That should be really simple question I believe. But somehow I can\'t find answer in Google. Assume that I have 2 Lists of Strings. First contains \"String A\" and \"String B\" , second one contains \"String B\" and \"String A\" (notice difference in order). I want to test them with JUnit to check whether they contains exactly the same Strings. Is there any assert that checks equality of Strings that ignore order? For given example org.junit.Assert.assertEquals throws AssertionError java.lang

What does the “assert” keyword do? [duplicate]

阅读更多关于 What does the “assert” keyword do? [duplicate]

This question already has an answer here: What does the Java assert keyword do, and when should it be used? 18 answers What does assert do? For example in the function: private static int charAt(String s, int d) { assert d >= 0 && d <= s.length(); if (d == s.length()) return -1; return s.charAt(d); } If you launch your program with -enableassertions (or -ea for short) then this statement assert cond; is equivalent to if (!cond) throw new AssertionError(); If you launch your program without this option, the assert statement will have no effect. For example, assert d >= 0 && d <= s.length(); ,

How to continue execution when Assertion is failed

阅读更多关于 How to continue execution when Assertion is failed

问题 I am using Selenium RC using Java with eclipse and TestNG framework. I have the following code snippet: assertTrue(selenium.isTextPresent(\"Please enter Email ID\")); assertTrue(selenium.isTextPresent(\"Please enter Password\")); First assertion was failed and execution was stopped. But I want to continue the further snippet of code. 回答1: Selenium IDE uses verify to perform a soft assertion, meaning that the test will continue even if the check fails and either report the failures at the end

When to use an assertion and when to use an exception

阅读更多关于 When to use an assertion and when to use an exception

问题 Most of the time I will use an exception to check for a condition in my code, I wonder when it is an appropriate time to use an assertion? For instance, Group group=null; try{ group = service().getGroup(\"abc\"); }catch(Exception e){ //I dont log error because I know whenever error occur mean group not found } if(group !=null) { //do something } Could you indicate how an assertion fits in here? Should I use an assertion? It seems like I never use assertions in production code and only see

Why do I get a C malloc assertion failure?

阅读更多关于 Why do I get a C malloc assertion failure?

问题 I am implementing a divide and conquer polynomial algorithm so I can benchmark it against an OpenCL implementation, but I can\'t get malloc to work. When I run the program, it allocates a bunch of stuff, checks some things, then sends the size/2 to the algorithm. Then when I hit the malloc line again it spits out this: malloc.c:3096: sYSMALLOc: Assertion `(old_top == (((mbinptr) (((char *) &((av)->bins[((1) - 1) * 2])) - __builtin_offsetof (struct malloc_chunk, fd)))) && old_size == 0) || (

Best practice for Python assert

阅读更多关于 Best practice for Python assert

问题 Is there a performance or code maintenance issue with using assert as part of the standard code instead of using it just for debugging purposes? Is assert x >= 0, \'x is less than zero\' better or worse than if x < 0: raise Exception, \'x is less than zero\' Also, is there any way to set a business rule like if x < 0 raise error that is always checked without the try/except/finally so, if at anytime throughout the code x is less than 0 an error is raised, like if you set assert x < 0 at the

What does the “assert” keyword do? [duplicate]

阅读更多关于 What does the “assert” keyword do? [duplicate]

问题 This question already has an answer here: What does the Java assert keyword do, and when should it be used? 18 answers What does assert do? For example in the function: private static int charAt(String s, int d) { assert d >= 0 && d <= s.length(); if (d == s.length()) return -1; return s.charAt(d); } 回答1: If you launch your program with -enableassertions (or -ea for short) then this statement assert cond; is equivalent to if (!cond) throw new AssertionError(); If you launch your program