| # RUN: echo 'foo' > %t.foo0 | |
| # RUN: echo 'foo' > %t.foo1 | |
| # RUN: echo 'bar' > %t.bar | |
| # diff fails. | |
| # RUN: not diff %t.foo0 %t.bar | |
| # RUN: not not not diff %t.foo0 %t.bar | |
| # RUN: not not not not not diff %t.foo0 %t.bar | |
| # diff succeeds. | |
| # RUN: diff %t.foo0 %t.foo1 | |
| # RUN: not not diff %t.foo0 %t.foo1 | |
| # RUN: not not not not diff %t.foo0 %t.foo1 | |
| # diff succeeds but we expect failure. | |
| # RUN: not diff %t.foo0 %t.foo1 |