[I1] tri.0000.ss [X1] tri.0001.ss [I2] tri.0010.ss [X1] tri.0011.ss
[I2] tri.0100.ss [E1] tri.0101.ss [X2] tri.0110.ss [X2] tri.0111.ss
[X ] tri.0200.ss [X ] tri.0201.ss [I3] tri.0210.ss [++] tri.0211.ss
[X1] tri.1000.ss [X1] tri.1001.ss [X1] tri.1010.ss [X ] tri.1011.ss
[X ] tri.1100.ss [X ] tri.1101.ss [X ] tri.1110.ss [X ] tri.1111.ss
[I3] tri.1200.ss [X ] tri.1201.ss [I4] tri.1210.ss [X ] tri.1211.ss
[X1] tri.2000.ss [X1] tri.2001.ss [X1] tri.2010.ss [X1] tri.2011.ss
[X ] tri.2100.ss [X ] tri.2101.ss [I3] tri.2110.ss [X3] tri.2111.ss
[X ] tri.2200.ss [X ] tri.2201.ss [I3] tri.2210.ss [++] tri.2211.ss

Which ones don't work and why?

Notation:
* Blank means "untested"
* [X ] means "failed some test, but I'm not telling you which one"
* [E1] means "failed to classify 0.5 0.5 0.5 as equilateral"
* [I1] means "failed to classify (3 2 2) as isoceles"
* [I2] means "failed to classify (111 121 111) as isoceles"
* [I3] means "failed to classify (2 3 2) as isoceles"
* [I4] means "failed to classify (1 2 2) as isoceles"
* [X1] means "failed to report an error for (1 500 2000)"
* [X2] means "failed to report an error for (8 3 1)"
* [X3] means "failed to report an error for (2 5 2)"
* [++] means "I've tested this, and it's succeeded so far"

Questions:
* Is (1 2 3) a triangle?  It's debatable.  The documentation should 
  probably have indicated whether or not "degenerate triangles" are
  permitted.