route/vendor/golang.org/x/text/language/coverage_test.go

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2017-10-06 15:29:20 +00:00
// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package language
import (
"fmt"
"reflect"
"testing"
)
func TestSupported(t *testing.T) {
// To prove the results are correct for a type, we test that the number of
// results is identical to the number of results on record, that all results
// are distinct and that all results are valid.
tests := map[string]int{
"BaseLanguages": numLanguages,
"Scripts": numScripts,
"Regions": numRegions,
"Tags": 0,
}
sup := reflect.ValueOf(Supported)
for name, num := range tests {
v := sup.MethodByName(name).Call(nil)[0]
if n := v.Len(); n != num {
t.Errorf("len(%s()) was %d; want %d", name, n, num)
}
dup := make(map[string]bool)
for i := 0; i < v.Len(); i++ {
x := v.Index(i).Interface()
// An invalid value will either cause a crash or result in a
// duplicate when passed to Sprint.
s := fmt.Sprint(x)
if dup[s] {
t.Errorf("%s: duplicate entry %q", name, s)
}
dup[s] = true
}
if len(dup) != v.Len() {
t.Errorf("%s: # unique entries was %d; want %d", name, len(dup), v.Len())
}
}
}
func TestNewCoverage(t *testing.T) {
bases := []Base{Base{0}, Base{3}, Base{7}}
scripts := []Script{Script{11}, Script{17}, Script{23}}
regions := []Region{Region{101}, Region{103}, Region{107}}
tags := []Tag{Make("pt"), Make("en"), Make("en-GB"), Make("en-US"), Make("pt-PT")}
fbases := func() []Base { return bases }
fscripts := func() []Script { return scripts }
fregions := func() []Region { return regions }
ftags := func() []Tag { return tags }
tests := []struct {
desc string
list []interface{}
bases []Base
scripts []Script
regions []Region
tags []Tag
}{
{
desc: "empty",
},
{
desc: "bases",
list: []interface{}{bases},
bases: bases,
},
{
desc: "scripts",
list: []interface{}{scripts},
scripts: scripts,
},
{
desc: "regions",
list: []interface{}{regions},
regions: regions,
},
{
desc: "bases derives from tags",
list: []interface{}{tags},
bases: []Base{Base{_en}, Base{_pt}},
tags: tags,
},
{
desc: "tags and bases",
list: []interface{}{tags, bases},
bases: bases,
tags: tags,
},
{
desc: "fully specified",
list: []interface{}{tags, bases, scripts, regions},
bases: bases,
scripts: scripts,
regions: regions,
tags: tags,
},
{
desc: "bases func",
list: []interface{}{fbases},
bases: bases,
},
{
desc: "scripts func",
list: []interface{}{fscripts},
scripts: scripts,
},
{
desc: "regions func",
list: []interface{}{fregions},
regions: regions,
},
{
desc: "tags func",
list: []interface{}{ftags},
bases: []Base{Base{_en}, Base{_pt}},
tags: tags,
},
{
desc: "tags and bases",
list: []interface{}{ftags, fbases},
bases: bases,
tags: tags,
},
{
desc: "fully specified",
list: []interface{}{ftags, fbases, fscripts, fregions},
bases: bases,
scripts: scripts,
regions: regions,
tags: tags,
},
}
for i, tt := range tests {
l := NewCoverage(tt.list...)
if a := l.BaseLanguages(); !reflect.DeepEqual(a, tt.bases) {
t.Errorf("%d:%s: BaseLanguages was %v; want %v", i, tt.desc, a, tt.bases)
}
if a := l.Scripts(); !reflect.DeepEqual(a, tt.scripts) {
t.Errorf("%d:%s: Scripts was %v; want %v", i, tt.desc, a, tt.scripts)
}
if a := l.Regions(); !reflect.DeepEqual(a, tt.regions) {
t.Errorf("%d:%s: Regions was %v; want %v", i, tt.desc, a, tt.regions)
}
if a := l.Tags(); !reflect.DeepEqual(a, tt.tags) {
t.Errorf("%d:%s: Tags was %v; want %v", i, tt.desc, a, tt.tags)
}
}
}