155 lines
3.7 KiB
Go
155 lines
3.7 KiB
Go
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// Copyright 2014 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package language
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import (
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"fmt"
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"reflect"
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"testing"
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)
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func TestSupported(t *testing.T) {
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// To prove the results are correct for a type, we test that the number of
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// results is identical to the number of results on record, that all results
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// are distinct and that all results are valid.
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tests := map[string]int{
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"BaseLanguages": numLanguages,
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"Scripts": numScripts,
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"Regions": numRegions,
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"Tags": 0,
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}
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sup := reflect.ValueOf(Supported)
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for name, num := range tests {
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v := sup.MethodByName(name).Call(nil)[0]
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if n := v.Len(); n != num {
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t.Errorf("len(%s()) was %d; want %d", name, n, num)
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}
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dup := make(map[string]bool)
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for i := 0; i < v.Len(); i++ {
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x := v.Index(i).Interface()
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// An invalid value will either cause a crash or result in a
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// duplicate when passed to Sprint.
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s := fmt.Sprint(x)
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if dup[s] {
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t.Errorf("%s: duplicate entry %q", name, s)
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}
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dup[s] = true
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}
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if len(dup) != v.Len() {
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t.Errorf("%s: # unique entries was %d; want %d", name, len(dup), v.Len())
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}
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}
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}
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func TestNewCoverage(t *testing.T) {
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bases := []Base{Base{0}, Base{3}, Base{7}}
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scripts := []Script{Script{11}, Script{17}, Script{23}}
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regions := []Region{Region{101}, Region{103}, Region{107}}
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tags := []Tag{Make("pt"), Make("en"), Make("en-GB"), Make("en-US"), Make("pt-PT")}
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fbases := func() []Base { return bases }
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fscripts := func() []Script { return scripts }
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fregions := func() []Region { return regions }
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ftags := func() []Tag { return tags }
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tests := []struct {
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desc string
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list []interface{}
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bases []Base
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scripts []Script
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regions []Region
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tags []Tag
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}{
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{
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desc: "empty",
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},
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{
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desc: "bases",
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list: []interface{}{bases},
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bases: bases,
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},
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{
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desc: "scripts",
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list: []interface{}{scripts},
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scripts: scripts,
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},
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{
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desc: "regions",
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list: []interface{}{regions},
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regions: regions,
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},
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{
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desc: "bases derives from tags",
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list: []interface{}{tags},
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bases: []Base{Base{_en}, Base{_pt}},
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tags: tags,
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},
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{
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desc: "tags and bases",
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list: []interface{}{tags, bases},
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bases: bases,
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tags: tags,
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},
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{
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desc: "fully specified",
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list: []interface{}{tags, bases, scripts, regions},
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bases: bases,
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scripts: scripts,
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regions: regions,
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tags: tags,
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},
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{
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desc: "bases func",
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list: []interface{}{fbases},
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bases: bases,
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},
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{
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desc: "scripts func",
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list: []interface{}{fscripts},
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scripts: scripts,
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},
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{
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desc: "regions func",
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list: []interface{}{fregions},
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regions: regions,
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},
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{
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desc: "tags func",
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list: []interface{}{ftags},
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bases: []Base{Base{_en}, Base{_pt}},
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tags: tags,
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},
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{
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desc: "tags and bases",
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list: []interface{}{ftags, fbases},
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bases: bases,
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tags: tags,
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},
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{
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desc: "fully specified",
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list: []interface{}{ftags, fbases, fscripts, fregions},
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bases: bases,
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scripts: scripts,
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regions: regions,
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tags: tags,
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},
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}
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for i, tt := range tests {
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l := NewCoverage(tt.list...)
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if a := l.BaseLanguages(); !reflect.DeepEqual(a, tt.bases) {
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t.Errorf("%d:%s: BaseLanguages was %v; want %v", i, tt.desc, a, tt.bases)
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}
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if a := l.Scripts(); !reflect.DeepEqual(a, tt.scripts) {
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t.Errorf("%d:%s: Scripts was %v; want %v", i, tt.desc, a, tt.scripts)
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}
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if a := l.Regions(); !reflect.DeepEqual(a, tt.regions) {
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t.Errorf("%d:%s: Regions was %v; want %v", i, tt.desc, a, tt.regions)
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}
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if a := l.Tags(); !reflect.DeepEqual(a, tt.tags) {
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t.Errorf("%d:%s: Tags was %v; want %v", i, tt.desc, a, tt.tags)
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}
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}
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}
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