tcell/runes_test.go

67 lines
2.1 KiB
Go

// Copyright 2015 The TCell Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use file except in compliance with the License.
// You may obtain a copy of the license at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package tcell
import (
"testing"
. "github.com/smartystreets/goconvey/convey"
)
func TestCanDisplay(t *testing.T) {
Convey("With a UTF-8 screen", t,
WithScreen(t, "UTF-8", func(s SimulationScreen) {
So(s.CharacterSet(), ShouldEqual, "UTF-8")
So(s.CanDisplay('a', true), ShouldBeTrue)
So(s.CanDisplay(RuneHLine, true), ShouldBeTrue)
So(s.CanDisplay(RuneHLine, false), ShouldBeTrue)
So(s.CanDisplay('⌀', false), ShouldBeTrue)
}))
Convey("With an ASCII screen", t,
WithScreen(t, "US-ASCII", func(s SimulationScreen) {
So(s.CharacterSet(), ShouldEqual, "US-ASCII")
So(s.CanDisplay('a', true), ShouldBeTrue)
So(s.CanDisplay(RuneHLine, true), ShouldBeTrue)
So(s.CanDisplay(RunePi, false), ShouldBeFalse)
So(s.CanDisplay('⌀', false), ShouldBeFalse)
}))
}
func TestRegisterFallback(t *testing.T) {
Convey("With an ASCII screen", t,
WithScreen(t, "US-ASCII", func(s SimulationScreen) {
So(s.CharacterSet(), ShouldEqual, "US-ASCII")
s.RegisterRuneFallback('⌀', "o")
So(s.CanDisplay('⌀', false), ShouldBeFalse)
So(s.CanDisplay('⌀', true), ShouldBeTrue)
s.UnregisterRuneFallback('⌀')
So(s.CanDisplay('⌀', false), ShouldBeFalse)
So(s.CanDisplay('⌀', true), ShouldBeFalse)
}))
}
func TestUnregisterFallback(t *testing.T) {
Convey("With an ASCII screen (HLine)", t,
WithScreen(t, "US-ASCII", func(s SimulationScreen) {
So(s.CharacterSet(), ShouldEqual, "US-ASCII")
So(s.CanDisplay(RuneHLine, true), ShouldBeTrue)
s.UnregisterRuneFallback(RuneHLine)
So(s.CanDisplay(RuneHLine, true), ShouldBeFalse)
}))
}