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tcell/runes_test.go
Garrett D'Amore af444b941a Refactor tests to avoid go-convey.
While go-convey was pretty nice, it carries a rather large dependency
graph, which we think it is better not to burden our downstreams with.
It is easy enough to just refactor the tests to use the standard testing
package.
2018-12-18 21:33:43 -08:00

96 lines
2.6 KiB
Go

// Copyright 2018 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"
)
func TestCanDisplayUTF8(t *testing.T) {
s := mkTestScreen(t, "UTF-8")
defer s.Fini()
if s.CharacterSet() != "UTF-8" {
t.Errorf("Bad charset: %v", s.CharacterSet())
}
if !s.CanDisplay('a', true) {
t.Errorf("Should be able to display 'a'")
}
if !s.CanDisplay(RuneHLine, true) {
t.Errorf("Should be able to display hline (with fallback)")
}
if !s.CanDisplay(RuneHLine, false) {
t.Errorf("Should be able to display hline (no fallback)")
}
if !s.CanDisplay('⌀', false) {
t.Errorf("Should be able to display null")
}
}
func TestCanDisplayASCII(t *testing.T) {
s := mkTestScreen(t, "US-ASCII")
defer s.Fini()
if s.CharacterSet() != "US-ASCII" {
t.Errorf("Wrong character set: %v", s.CharacterSet())
}
if !s.CanDisplay('a', true) {
t.Errorf("Should be able to display 'a'")
}
if !s.CanDisplay(RuneHLine, true) {
t.Errorf("Should be able to display hline (with fallback)")
}
if s.CanDisplay(RunePi, false) {
t.Errorf("Should not be able to display Pi (no fallback)")
}
if s.CanDisplay('⌀', false) {
t.Errorf("Should not be able to display null")
}
}
func TestRuneFallbacks(t *testing.T) {
s := mkTestScreen(t, "US-ASCII")
defer s.Fini()
if s.CharacterSet() != "US-ASCII" {
t.Errorf("Wrong character set: %v", s.CharacterSet())
}
// Test registering a fallback
s.RegisterRuneFallback('⌀', "o")
if s.CanDisplay('⌀', false) {
t.Errorf("Should not be able to display null (no fallback)")
}
if !s.CanDisplay('⌀', true) {
t.Errorf("Should be able to display null (with fallback)")
}
// Test unregistering custom fallback
s.UnregisterRuneFallback('⌀')
if s.CanDisplay('⌀', false) {
t.Errorf("Should not be able to display null (no fallback)")
}
if s.CanDisplay('⌀', true) {
t.Errorf("Should not be able to display null (with fallback)")
}
// Test unregistering builtin fallback
if !s.CanDisplay(RuneHLine, true) {
t.Errorf("Should be able to display hline")
}
s.UnregisterRuneFallback(RuneHLine)
if s.CanDisplay(RuneHLine, true) {
t.Errorf("Should not be able to display hline")
}
}