diff options
Diffstat (limited to 'src/pkg/big/nat_test.go')
| -rw-r--r-- | src/pkg/big/nat_test.go | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/src/pkg/big/nat_test.go b/src/pkg/big/nat_test.go index 8a0617578..9c89504d7 100644 --- a/src/pkg/big/nat_test.go +++ b/src/pkg/big/nat_test.go @@ -6,8 +6,37 @@ package big import "testing" +type cmpTest struct { + x, y []Word + r int +} + + +var cmpTests = []cmpTest{ + cmpTest{nil, nil, 0}, + cmpTest{nil, []Word{}, 0}, + cmpTest{[]Word{}, nil, 0}, + cmpTest{[]Word{}, []Word{}, 0}, + cmpTest{[]Word{0}, []Word{0}, 0}, + cmpTest{[]Word{0}, []Word{1}, -1}, + cmpTest{[]Word{1}, []Word{0}, 1}, + cmpTest{[]Word{1}, []Word{1}, 0}, + cmpTest{[]Word{0, _M}, []Word{1}, 1}, + cmpTest{[]Word{1}, []Word{0, _M}, -1}, + cmpTest{[]Word{1, _M}, []Word{0, _M}, 1}, + cmpTest{[]Word{0, _M}, []Word{1, _M}, -1}, + cmpTest{[]Word{16, 571956, 8794, 68}, []Word{837, 9146, 1, 754489}, -1}, + cmpTest{[]Word{34986, 41, 105, 1957}, []Word{56, 7458, 104, 1957}, 1}, +} + + func TestCmpNN(t *testing.T) { - // TODO(gri) write this test - all other tests depends on it + for i, a := range cmpTests { + r := cmpNN(a.x, a.y) + if r != a.r { + t.Errorf("#%d got r = %v; want %v", i, r, a.r) + } + } } |