The tests are taken almost verbatim from the open source project PicoC. It can be found at https://code.google.com/p/picoc/. The tests range from very simple/trivial ones to more complicated. My view is that the more tests the better. Without tests like this I was very reluctant to make any changes to tcc for the fear of breaking things. The tests pass on Win32, OSX, Linux x86 and x86_64. One or two tests fail on each platform due to differences in the runtime library.
		
			
				
	
	
		
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| x=0: 1 2 3 4
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| x=1: 5 6 7 8
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| x=2: 9 10 11 12
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| x=3: 13 14 15 16 
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