1# RUN: echo 'foo' > %t.foo0
2# RUN: echo 'foo' > %t.foo1
3# RUN: echo 'bar' > %t.bar
4
5# diff fails.
6# RUN: not diff %t.foo0 %t.bar
7# RUN: not not not diff %t.foo0 %t.bar
8# RUN: not not not not not diff %t.foo0 %t.bar
9
10# diff succeeds.
11# RUN: diff %t.foo0 %t.foo1
12# RUN: not not diff %t.foo0 %t.foo1
13# RUN: not not not not diff %t.foo0 %t.foo1
14
15# diff succeeds but we expect failure.
16# RUN: not diff %t.foo0 %t.foo1
17