mirror of git://gcc.gnu.org/git/gcc.git
				
				
				
			
		
			
				
	
	
		
			78 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			Java
		
	
	
	
			
		
		
	
	
			78 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			Java
		
	
	
	
| // Check that stack trace's work, and stack trace line numbers, if available,
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| // are correct.
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| 
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| public class StackTrace2
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| {
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|   public static void main(String[] args) 
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|   { 
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|     try
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|     {
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|       new StackTrace2().a();
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|     }
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|     catch (Exception x)
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|     {
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|       StackTraceElement[] trace = x.getStackTrace();
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|       checkTrace(trace);
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|     }
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|   }
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| 
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|   void a() 
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|   { 
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|     new Inner().foo();
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|   }
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|   
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|   class Inner
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|   {
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|     public void foo()
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|     {
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|       doCrash(null);
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|     }  
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| 
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|     public void doCrash(Object o)
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|     {
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|       o.toString();
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|     }
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|   }  
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|   
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|   static void checkTrace(StackTraceElement[] trace)
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|   {
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|     System.out.println("Trace length = " + trace.length);
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|     checkLine(trace[0], "StackTrace2$Inner", "doCrash", 33);
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|     checkLine(trace[1], "StackTrace2$Inner", "foo", 28);
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|     checkLine(trace[2], "StackTrace2", "a", 21);
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|     checkLine(trace[3], "StackTrace2", "main", 10);
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|   }
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|   
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|   static void checkLine(StackTraceElement frame, String expected_cl, 
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|                 	String expected_method, int expected_line)
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|   {
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|     if (frame.getClassName().equals(expected_cl))
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|       System.out.print(expected_cl);
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|     else
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|       System.out.print("FAIL - expected " + expected_cl + ", got: " + 
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| 		       frame.getClassName());
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|     
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|     System.out.print(".");
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| 
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|     if (frame.getMethodName().equals(expected_method))
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|       System.out.print(expected_method);
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|     else
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|       System.out.print("FAIL - expected " + expected_method + ", got: " +
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| 		       frame.getMethodName());
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| 
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|     System.out.print(":");
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|     
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|     // Permit either the correct line number or no line number. This is so
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|     // we don't fail on platforms that don't yet support reading debug info 
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|     // for stack traces, or when no debug info is available.
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|     if (frame.getLineNumber() < 0
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|         || (frame.getLineNumber() == expected_line
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|             && frame.getFileName().equals("StackTrace2.java")))
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|       System.out.println("OK");
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|     else
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|       System.out.println("FAIL - expected " + expected_line + ", got: "
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| 			 + frame.getLineNumber() + ", in file "
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| 			 + frame.getFileName());
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|   }
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| }
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