diff options
Diffstat (limited to 'src/options_test.go')
| -rw-r--r-- | src/options_test.go | 40 |
1 files changed, 35 insertions, 5 deletions
diff --git a/src/options_test.go b/src/options_test.go index e10ec569..782ad791 100644 --- a/src/options_test.go +++ b/src/options_test.go @@ -21,17 +21,47 @@ func TestSplitNth(t *testing.T) { } } { - ranges := splitNth("..3,1..,2..3,4..-1,-3..-2,..,2,-2") - if len(ranges) != 8 || + ranges := splitNth("..3,1..,2..3,4..-1,-3..-2,..,2,-2,2..-2,1..-1") + if len(ranges) != 10 || ranges[0].begin != rangeEllipsis || ranges[0].end != 3 || - ranges[1].begin != 1 || ranges[1].end != rangeEllipsis || + ranges[1].begin != rangeEllipsis || ranges[1].end != rangeEllipsis || ranges[2].begin != 2 || ranges[2].end != 3 || - ranges[3].begin != 4 || ranges[3].end != -1 || + ranges[3].begin != 4 || ranges[3].end != rangeEllipsis || ranges[4].begin != -3 || ranges[4].end != -2 || ranges[5].begin != rangeEllipsis || ranges[5].end != rangeEllipsis || ranges[6].begin != 2 || ranges[6].end != 2 || - ranges[7].begin != -2 || ranges[7].end != -2 { + ranges[7].begin != -2 || ranges[7].end != -2 || + ranges[8].begin != 2 || ranges[8].end != -2 || + ranges[9].begin != rangeEllipsis || ranges[9].end != rangeEllipsis { t.Errorf("%s", ranges) } } } + +func TestIrrelevantNth(t *testing.T) { + { + opts := defaultOptions() + words := []string{"--nth", "..", "-x"} + parseOptions(opts, words) + if len(opts.Nth) != 0 { + t.Errorf("nth should be empty: %s", opts.Nth) + } + } + for _, words := range [][]string{[]string{"--nth", "..,3"}, []string{"--nth", "3,1.."}, []string{"--nth", "..-1,1"}} { + { + opts := defaultOptions() + parseOptions(opts, words) + if len(opts.Nth) != 0 { + t.Errorf("nth should be empty: %s", opts.Nth) + } + } + { + opts := defaultOptions() + words = append(words, "-x") + parseOptions(opts, words) + if len(opts.Nth) != 2 { + t.Errorf("nth should not be empty: %s", opts.Nth) + } + } + } +} |