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// 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 mkTestScreen(t *testing.T, charset string) SimulationScreen {
s := NewSimulationScreen(charset)
if s == nil {
t.Fatalf("Failed to get simulation screen")
}
if e := s.Init(); e != nil {
t.Fatalf("Failed to initialize screen: %v", e)
}
return s
}
func TestInitScreen(t *testing.T) {
s := mkTestScreen(t, "")
defer s.Fini()
if x, y := s.Size(); x != 80 || y != 25 {
t.Fatalf("Size should be 80, 25, was %v, %v", x, y)
}
if s.CharacterSet() != "UTF-8" {
t.Fatalf("Character Set (%v) not UTF-8", s.CharacterSet())
}
if b, x, y := s.GetContents(); len(b) != x*y || x != 80 || y != 25 {
t.Fatalf("Contents (%v, %v, %v) wrong", len(b), x, y)
}
}
func TestClearScreen(t *testing.T) {
s := mkTestScreen(t, "")
defer s.Fini()
s.Clear()
b, x, y := s.GetContents()
if len(b) != x*y || x != 80 || y != 25 {
t.Fatalf("Contents (%v, %v, %v) wrong", len(b), x, y)
}
for i := 0; i < x*y; i++ {
if len(b[i].Runes) == 1 && b[i].Runes[0] != ' ' {
t.Errorf("Incorrect contents at %v: %v", i, b[i].Runes)
}
if b[i].Style != StyleDefault {
t.Errorf("Incorrect style at %v: %v", i, b[i].Style)
}
}
}
func TestSetCell(t *testing.T) {
st := StyleDefault.Background(ColorRed).Blink(true)
s := mkTestScreen(t, "")
defer s.Fini()
s.SetCell(2, 5, st, '@')
b, _, _ := s.GetContents()
s.Show()
if len(b) != 80*25 {
t.Fatalf("Wrong content size")
}
cell := &b[5*80+2]
if len(cell.Runes) != 1 || len(cell.Bytes) != 1 ||
cell.Runes[0] != '@' || cell.Bytes[0] != '@' ||
cell.Style != st {
t.Errorf("Incorrect cell content: %v", cell)
}
}
func TestResize(t *testing.T) {
st := StyleDefault.Background(ColorYellow).Underline(true)
s := mkTestScreen(t, "")
defer s.Fini()
s.SetCell(2, 5, st, '&')
b, x, y := s.GetContents()
s.Show()
cell := &b[5*80+2]
if len(cell.Runes) != 1 || len(cell.Bytes) != 1 ||
cell.Runes[0] != '&' || cell.Bytes[0] != '&' ||
cell.Style != st {
t.Errorf("Incorrect cell content: %v", cell)
}
s.SetSize(30, 10)
s.Show()
b2, x2, y2 := s.GetContents()
if len(b2) == len(b) || x2 == x || y2 == y {
t.Errorf("Screen parameters should not match")
}
cell2 := &b[5*80+2]
if len(cell2.Runes) != 1 || len(cell2.Bytes) != 1 ||
cell2.Runes[0] != '&' || cell2.Bytes[0] != '&' ||
cell2.Style != st {
t.Errorf("Incorrect cell content after resize: %v", cell2)
}
}
func TestBeep(t *testing.T) {
s := mkTestScreen(t, "")
defer s.Fini()
b0, x0, y0 := s.GetContents()
if err := s.Beep(); err != nil {
t.Errorf("could not beep: %v", err)
}
s.Show()
b1, x1, y1 := s.GetContents()
if x0 != x1 {
t.Fatalf("screen width changed unexpectedly from %d to %d", x0, x1)
}
if y0 != y1 {
t.Fatalf("screen height changed unexpectedly from %d to %d", y0, y1)
}
if len(b0) != len(b1) {
t.Fatalf("screen size changed unexpectedly (had %d cells, has %d cells)",
len(b0), len(b1))
}
for i := 0; i < len(b0); i++ {
cell0 := b0[i]
cell1 := b1[i]
if len(cell0.Runes) != len(cell1.Runes) {
t.Errorf("incorrect cell content: had %d runes, has %d runes",
len(cell0.Runes), len(cell1.Runes))
continue
}
for j := 0; j < len(cell0.Runes); j++ {
r0 := cell0.Runes[j]
r1 := cell1.Runes[j]
if r0 != r1 {
t.Errorf("incorrect content: cell %d rune %d changed from %v to %v",
i, j, r0, r1)
}
}
}
}
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