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https://github.com/gdamore/tcell.git
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26f328fb89
The API for NewSimulationScreen() was changed, which turned out to break 3rd party libraries and applications. (We didn't forgot that this is part of the public API for tcell.)
96 lines
2.6 KiB
Go
96 lines
2.6 KiB
Go
// Copyright 2018 The TCell Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use file except in compliance with the License.
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// You may obtain a copy of the license at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package tcell
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import (
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"testing"
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)
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func TestCanDisplayUTF8(t *testing.T) {
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s := mkTestScreen(t, "UTF-8")
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defer s.Fini()
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if s.CharacterSet() != "UTF-8" {
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t.Errorf("Bad charset: %v", s.CharacterSet())
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}
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if !s.CanDisplay('a', true) {
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t.Errorf("Should be able to display 'a'")
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}
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if !s.CanDisplay(RuneHLine, true) {
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t.Errorf("Should be able to display hline (with fallback)")
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}
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if !s.CanDisplay(RuneHLine, false) {
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t.Errorf("Should be able to display hline (no fallback)")
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}
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if !s.CanDisplay('⌀', false) {
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t.Errorf("Should be able to display null")
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}
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}
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func TestCanDisplayASCII(t *testing.T) {
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s := mkTestScreen(t, "US-ASCII")
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defer s.Fini()
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if s.CharacterSet() != "US-ASCII" {
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t.Errorf("Wrong character set: %v", s.CharacterSet())
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}
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if !s.CanDisplay('a', true) {
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t.Errorf("Should be able to display 'a'")
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}
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if !s.CanDisplay(RuneHLine, true) {
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t.Errorf("Should be able to display hline (with fallback)")
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}
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if s.CanDisplay(RunePi, false) {
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t.Errorf("Should not be able to display Pi (no fallback)")
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}
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if s.CanDisplay('⌀', false) {
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t.Errorf("Should not be able to display null")
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}
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}
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func TestRuneFallbacks(t *testing.T) {
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s := mkTestScreen(t, "US-ASCII")
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defer s.Fini()
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if s.CharacterSet() != "US-ASCII" {
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t.Errorf("Wrong character set: %v", s.CharacterSet())
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}
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// Test registering a fallback
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s.RegisterRuneFallback('⌀', "o")
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if s.CanDisplay('⌀', false) {
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t.Errorf("Should not be able to display null (no fallback)")
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}
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if !s.CanDisplay('⌀', true) {
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t.Errorf("Should be able to display null (with fallback)")
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}
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// Test unregistering custom fallback
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s.UnregisterRuneFallback('⌀')
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if s.CanDisplay('⌀', false) {
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t.Errorf("Should not be able to display null (no fallback)")
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}
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if s.CanDisplay('⌀', true) {
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t.Errorf("Should not be able to display null (with fallback)")
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}
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// Test unregistering builtin fallback
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if !s.CanDisplay(RuneHLine, true) {
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t.Errorf("Should be able to display hline")
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}
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s.UnregisterRuneFallback(RuneHLine)
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if s.CanDisplay(RuneHLine, true) {
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t.Errorf("Should not be able to display hline")
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}
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}
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