mirror of
https://github.com/mum4k/termdash.git
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429 lines
17 KiB
Go
429 lines
17 KiB
Go
// Copyright 2018 Google Inc.
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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 this 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 draw
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import (
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"image"
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"testing"
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"github.com/mum4k/termdash/align"
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"github.com/mum4k/termdash/canvas"
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"github.com/mum4k/termdash/canvas/testcanvas"
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"github.com/mum4k/termdash/cell"
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"github.com/mum4k/termdash/terminal/faketerm"
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)
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func TestBorder(t *testing.T) {
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tests := []struct {
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desc string
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canvas image.Rectangle
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border image.Rectangle
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opts []BorderOption
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want func(size image.Point) *faketerm.Terminal
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wantErr bool
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}{
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{
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desc: "border is larger than canvas",
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canvas: image.Rect(0, 0, 1, 1),
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border: image.Rect(0, 0, 2, 2),
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wantErr: true,
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},
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{
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desc: "border is too small",
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canvas: image.Rect(0, 0, 2, 2),
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border: image.Rect(0, 0, 1, 1),
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wantErr: true,
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},
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{
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desc: "unsupported line style",
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canvas: image.Rect(0, 0, 4, 4),
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border: image.Rect(0, 0, 2, 2),
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opts: []BorderOption{
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BorderLineStyle(LineStyle(-1)),
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},
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wantErr: true,
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},
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{
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desc: "draws border around the canvas",
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canvas: image.Rect(0, 0, 4, 4),
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border: image.Rect(0, 0, 4, 4),
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want: func(size image.Point) *faketerm.Terminal {
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ft := faketerm.MustNew(size)
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c := testcanvas.MustNew(ft.Area())
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testcanvas.MustSetCell(c, image.Point{0, 0}, lineStyleChars[LineStyleLight][topLeftCorner])
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testcanvas.MustSetCell(c, image.Point{0, 1}, lineStyleChars[LineStyleLight][vLine])
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testcanvas.MustSetCell(c, image.Point{0, 2}, lineStyleChars[LineStyleLight][vLine])
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testcanvas.MustSetCell(c, image.Point{0, 3}, lineStyleChars[LineStyleLight][bottomLeftCorner])
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testcanvas.MustSetCell(c, image.Point{1, 0}, lineStyleChars[LineStyleLight][hLine])
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testcanvas.MustSetCell(c, image.Point{1, 3}, lineStyleChars[LineStyleLight][hLine])
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testcanvas.MustSetCell(c, image.Point{2, 0}, lineStyleChars[LineStyleLight][hLine])
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testcanvas.MustSetCell(c, image.Point{2, 3}, lineStyleChars[LineStyleLight][hLine])
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testcanvas.MustSetCell(c, image.Point{3, 0}, lineStyleChars[LineStyleLight][topRightCorner])
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testcanvas.MustSetCell(c, image.Point{3, 1}, lineStyleChars[LineStyleLight][vLine])
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testcanvas.MustSetCell(c, image.Point{3, 2}, lineStyleChars[LineStyleLight][vLine])
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testcanvas.MustSetCell(c, image.Point{3, 3}, lineStyleChars[LineStyleLight][bottomRightCorner])
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testcanvas.MustApply(c, ft)
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return ft
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},
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},
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{
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desc: "draws border in the canvas",
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canvas: image.Rect(0, 0, 4, 4),
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border: image.Rect(1, 1, 3, 3),
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want: func(size image.Point) *faketerm.Terminal {
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ft := faketerm.MustNew(size)
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c := testcanvas.MustNew(ft.Area())
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testcanvas.MustSetCell(c, image.Point{1, 1}, lineStyleChars[LineStyleLight][topLeftCorner])
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testcanvas.MustSetCell(c, image.Point{1, 2}, lineStyleChars[LineStyleLight][bottomLeftCorner])
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testcanvas.MustSetCell(c, image.Point{2, 1}, lineStyleChars[LineStyleLight][topRightCorner])
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testcanvas.MustSetCell(c, image.Point{2, 2}, lineStyleChars[LineStyleLight][bottomRightCorner])
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testcanvas.MustApply(c, ft)
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return ft
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},
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},
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{
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desc: "draws border with cell options",
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canvas: image.Rect(0, 0, 4, 4),
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border: image.Rect(1, 1, 3, 3),
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opts: []BorderOption{
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BorderCellOpts(cell.FgColor(cell.ColorRed)),
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},
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want: func(size image.Point) *faketerm.Terminal {
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ft := faketerm.MustNew(size)
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c := testcanvas.MustNew(ft.Area())
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testcanvas.MustSetCell(c, image.Point{1, 1},
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lineStyleChars[LineStyleLight][topLeftCorner], cell.FgColor(cell.ColorRed))
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testcanvas.MustSetCell(c, image.Point{1, 2},
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lineStyleChars[LineStyleLight][bottomLeftCorner], cell.FgColor(cell.ColorRed))
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testcanvas.MustSetCell(c, image.Point{2, 1},
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lineStyleChars[LineStyleLight][topRightCorner], cell.FgColor(cell.ColorRed))
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testcanvas.MustSetCell(c, image.Point{2, 2},
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lineStyleChars[LineStyleLight][bottomRightCorner], cell.FgColor(cell.ColorRed))
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testcanvas.MustApply(c, ft)
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return ft
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},
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},
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{
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desc: "draws border with a title",
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canvas: image.Rect(0, 0, 4, 4),
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border: image.Rect(0, 0, 4, 4),
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opts: []BorderOption{
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BorderTitle("ab", OverrunModeStrict),
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},
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want: func(size image.Point) *faketerm.Terminal {
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ft := faketerm.MustNew(size)
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c := testcanvas.MustNew(ft.Area())
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testcanvas.MustSetCell(c, image.Point{0, 0}, lineStyleChars[LineStyleLight][topLeftCorner])
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testcanvas.MustSetCell(c, image.Point{0, 1}, lineStyleChars[LineStyleLight][vLine])
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testcanvas.MustSetCell(c, image.Point{0, 2}, lineStyleChars[LineStyleLight][vLine])
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testcanvas.MustSetCell(c, image.Point{0, 3}, lineStyleChars[LineStyleLight][bottomLeftCorner])
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testcanvas.MustSetCell(c, image.Point{1, 0}, 'a')
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testcanvas.MustSetCell(c, image.Point{1, 3}, lineStyleChars[LineStyleLight][hLine])
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testcanvas.MustSetCell(c, image.Point{2, 0}, 'b')
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testcanvas.MustSetCell(c, image.Point{2, 3}, lineStyleChars[LineStyleLight][hLine])
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testcanvas.MustSetCell(c, image.Point{3, 0}, lineStyleChars[LineStyleLight][topRightCorner])
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testcanvas.MustSetCell(c, image.Point{3, 1}, lineStyleChars[LineStyleLight][vLine])
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testcanvas.MustSetCell(c, image.Point{3, 2}, lineStyleChars[LineStyleLight][vLine])
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testcanvas.MustSetCell(c, image.Point{3, 3}, lineStyleChars[LineStyleLight][bottomRightCorner])
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testcanvas.MustApply(c, ft)
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return ft
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},
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},
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{
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desc: "draws border with a title and cell options",
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canvas: image.Rect(0, 0, 4, 4),
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border: image.Rect(0, 0, 4, 4),
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opts: []BorderOption{
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BorderTitle("ab", OverrunModeStrict, cell.FgColor(cell.ColorRed)),
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},
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want: func(size image.Point) *faketerm.Terminal {
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ft := faketerm.MustNew(size)
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c := testcanvas.MustNew(ft.Area())
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testcanvas.MustSetCell(c, image.Point{0, 0}, lineStyleChars[LineStyleLight][topLeftCorner])
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testcanvas.MustSetCell(c, image.Point{0, 1}, lineStyleChars[LineStyleLight][vLine])
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testcanvas.MustSetCell(c, image.Point{0, 2}, lineStyleChars[LineStyleLight][vLine])
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testcanvas.MustSetCell(c, image.Point{0, 3}, lineStyleChars[LineStyleLight][bottomLeftCorner])
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testcanvas.MustSetCell(c, image.Point{1, 0}, 'a', cell.FgColor(cell.ColorRed))
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testcanvas.MustSetCell(c, image.Point{1, 3}, lineStyleChars[LineStyleLight][hLine])
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testcanvas.MustSetCell(c, image.Point{2, 0}, 'b', cell.FgColor(cell.ColorRed))
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testcanvas.MustSetCell(c, image.Point{2, 3}, lineStyleChars[LineStyleLight][hLine])
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testcanvas.MustSetCell(c, image.Point{3, 0}, lineStyleChars[LineStyleLight][topRightCorner])
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testcanvas.MustSetCell(c, image.Point{3, 1}, lineStyleChars[LineStyleLight][vLine])
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testcanvas.MustSetCell(c, image.Point{3, 2}, lineStyleChars[LineStyleLight][vLine])
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testcanvas.MustSetCell(c, image.Point{3, 3}, lineStyleChars[LineStyleLight][bottomRightCorner])
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testcanvas.MustApply(c, ft)
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return ft
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},
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},
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{
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desc: "fails to draw border with a too long title in strict mode",
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canvas: image.Rect(0, 0, 4, 4),
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border: image.Rect(0, 0, 4, 4),
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opts: []BorderOption{
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BorderTitle("abc", OverrunModeStrict),
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},
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wantErr: true,
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},
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{
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desc: "doesn't draw the border if there isn't enough space",
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canvas: image.Rect(0, 0, 4, 4),
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border: image.Rect(1, 1, 3, 3),
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opts: []BorderOption{
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BorderTitle("abc", OverrunModeStrict),
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},
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want: func(size image.Point) *faketerm.Terminal {
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ft := faketerm.MustNew(size)
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c := testcanvas.MustNew(ft.Area())
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testcanvas.MustSetCell(c, image.Point{1, 1}, lineStyleChars[LineStyleLight][topLeftCorner])
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testcanvas.MustSetCell(c, image.Point{1, 2}, lineStyleChars[LineStyleLight][bottomLeftCorner])
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testcanvas.MustSetCell(c, image.Point{2, 1}, lineStyleChars[LineStyleLight][topRightCorner])
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testcanvas.MustSetCell(c, image.Point{2, 2}, lineStyleChars[LineStyleLight][bottomRightCorner])
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testcanvas.MustApply(c, ft)
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return ft
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},
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},
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{
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desc: "draws border with a trimmed title",
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canvas: image.Rect(0, 0, 4, 4),
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border: image.Rect(0, 0, 4, 4),
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opts: []BorderOption{
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BorderTitle("abc", OverrunModeTrim),
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},
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want: func(size image.Point) *faketerm.Terminal {
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ft := faketerm.MustNew(size)
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c := testcanvas.MustNew(ft.Area())
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testcanvas.MustSetCell(c, image.Point{0, 0}, lineStyleChars[LineStyleLight][topLeftCorner])
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testcanvas.MustSetCell(c, image.Point{0, 1}, lineStyleChars[LineStyleLight][vLine])
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testcanvas.MustSetCell(c, image.Point{0, 2}, lineStyleChars[LineStyleLight][vLine])
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testcanvas.MustSetCell(c, image.Point{0, 3}, lineStyleChars[LineStyleLight][bottomLeftCorner])
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testcanvas.MustSetCell(c, image.Point{1, 0}, 'a')
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testcanvas.MustSetCell(c, image.Point{1, 3}, lineStyleChars[LineStyleLight][hLine])
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testcanvas.MustSetCell(c, image.Point{2, 0}, 'b')
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testcanvas.MustSetCell(c, image.Point{2, 3}, lineStyleChars[LineStyleLight][hLine])
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testcanvas.MustSetCell(c, image.Point{3, 0}, lineStyleChars[LineStyleLight][topRightCorner])
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testcanvas.MustSetCell(c, image.Point{3, 1}, lineStyleChars[LineStyleLight][vLine])
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testcanvas.MustSetCell(c, image.Point{3, 2}, lineStyleChars[LineStyleLight][vLine])
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testcanvas.MustSetCell(c, image.Point{3, 3}, lineStyleChars[LineStyleLight][bottomRightCorner])
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testcanvas.MustApply(c, ft)
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return ft
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},
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},
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{
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desc: "draws border with a title shortened using the horizontal ellipsis rune",
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canvas: image.Rect(0, 0, 4, 4),
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border: image.Rect(0, 0, 4, 4),
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opts: []BorderOption{
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BorderTitle("abc", OverrunModeThreeDot),
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},
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want: func(size image.Point) *faketerm.Terminal {
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ft := faketerm.MustNew(size)
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c := testcanvas.MustNew(ft.Area())
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testcanvas.MustSetCell(c, image.Point{0, 0}, lineStyleChars[LineStyleLight][topLeftCorner])
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testcanvas.MustSetCell(c, image.Point{0, 1}, lineStyleChars[LineStyleLight][vLine])
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testcanvas.MustSetCell(c, image.Point{0, 2}, lineStyleChars[LineStyleLight][vLine])
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testcanvas.MustSetCell(c, image.Point{0, 3}, lineStyleChars[LineStyleLight][bottomLeftCorner])
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testcanvas.MustSetCell(c, image.Point{1, 0}, 'a')
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testcanvas.MustSetCell(c, image.Point{1, 3}, lineStyleChars[LineStyleLight][hLine])
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testcanvas.MustSetCell(c, image.Point{2, 0}, '…')
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testcanvas.MustSetCell(c, image.Point{2, 3}, lineStyleChars[LineStyleLight][hLine])
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testcanvas.MustSetCell(c, image.Point{3, 0}, lineStyleChars[LineStyleLight][topRightCorner])
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testcanvas.MustSetCell(c, image.Point{3, 1}, lineStyleChars[LineStyleLight][vLine])
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testcanvas.MustSetCell(c, image.Point{3, 2}, lineStyleChars[LineStyleLight][vLine])
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testcanvas.MustSetCell(c, image.Point{3, 3}, lineStyleChars[LineStyleLight][bottomRightCorner])
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testcanvas.MustApply(c, ft)
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return ft
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},
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},
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{
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desc: "aligns the title to the left",
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canvas: image.Rect(0, 0, 6, 4),
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border: image.Rect(0, 0, 6, 4),
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opts: []BorderOption{
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BorderTitle("ab", OverrunModeStrict),
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BorderTitleAlign(align.HorizontalLeft),
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},
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want: func(size image.Point) *faketerm.Terminal {
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ft := faketerm.MustNew(size)
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c := testcanvas.MustNew(ft.Area())
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testcanvas.MustSetCell(c, image.Point{0, 0}, lineStyleChars[LineStyleLight][topLeftCorner])
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testcanvas.MustSetCell(c, image.Point{0, 1}, lineStyleChars[LineStyleLight][vLine])
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testcanvas.MustSetCell(c, image.Point{0, 2}, lineStyleChars[LineStyleLight][vLine])
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testcanvas.MustSetCell(c, image.Point{0, 3}, lineStyleChars[LineStyleLight][bottomLeftCorner])
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testcanvas.MustSetCell(c, image.Point{1, 0}, 'a')
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testcanvas.MustSetCell(c, image.Point{1, 3}, lineStyleChars[LineStyleLight][hLine])
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testcanvas.MustSetCell(c, image.Point{2, 0}, 'b')
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testcanvas.MustSetCell(c, image.Point{2, 3}, lineStyleChars[LineStyleLight][hLine])
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testcanvas.MustSetCell(c, image.Point{3, 0}, lineStyleChars[LineStyleLight][hLine])
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testcanvas.MustSetCell(c, image.Point{3, 3}, lineStyleChars[LineStyleLight][hLine])
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testcanvas.MustSetCell(c, image.Point{4, 0}, lineStyleChars[LineStyleLight][hLine])
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testcanvas.MustSetCell(c, image.Point{4, 3}, lineStyleChars[LineStyleLight][hLine])
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testcanvas.MustSetCell(c, image.Point{5, 0}, lineStyleChars[LineStyleLight][topRightCorner])
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testcanvas.MustSetCell(c, image.Point{5, 1}, lineStyleChars[LineStyleLight][vLine])
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testcanvas.MustSetCell(c, image.Point{5, 2}, lineStyleChars[LineStyleLight][vLine])
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testcanvas.MustSetCell(c, image.Point{5, 3}, lineStyleChars[LineStyleLight][bottomRightCorner])
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testcanvas.MustApply(c, ft)
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return ft
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},
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},
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{
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desc: "aligns the title in the center",
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canvas: image.Rect(0, 0, 6, 4),
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border: image.Rect(0, 0, 6, 4),
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opts: []BorderOption{
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BorderTitle("ab", OverrunModeStrict),
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BorderTitleAlign(align.HorizontalCenter),
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},
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want: func(size image.Point) *faketerm.Terminal {
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ft := faketerm.MustNew(size)
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c := testcanvas.MustNew(ft.Area())
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testcanvas.MustSetCell(c, image.Point{0, 0}, lineStyleChars[LineStyleLight][topLeftCorner])
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testcanvas.MustSetCell(c, image.Point{0, 1}, lineStyleChars[LineStyleLight][vLine])
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testcanvas.MustSetCell(c, image.Point{0, 2}, lineStyleChars[LineStyleLight][vLine])
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testcanvas.MustSetCell(c, image.Point{0, 3}, lineStyleChars[LineStyleLight][bottomLeftCorner])
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testcanvas.MustSetCell(c, image.Point{1, 0}, lineStyleChars[LineStyleLight][hLine])
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testcanvas.MustSetCell(c, image.Point{1, 3}, lineStyleChars[LineStyleLight][hLine])
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testcanvas.MustSetCell(c, image.Point{2, 0}, 'a')
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testcanvas.MustSetCell(c, image.Point{2, 3}, lineStyleChars[LineStyleLight][hLine])
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testcanvas.MustSetCell(c, image.Point{3, 0}, 'b')
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testcanvas.MustSetCell(c, image.Point{3, 3}, lineStyleChars[LineStyleLight][hLine])
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testcanvas.MustSetCell(c, image.Point{4, 0}, lineStyleChars[LineStyleLight][hLine])
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testcanvas.MustSetCell(c, image.Point{4, 3}, lineStyleChars[LineStyleLight][hLine])
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testcanvas.MustSetCell(c, image.Point{5, 0}, lineStyleChars[LineStyleLight][topRightCorner])
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testcanvas.MustSetCell(c, image.Point{5, 1}, lineStyleChars[LineStyleLight][vLine])
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testcanvas.MustSetCell(c, image.Point{5, 2}, lineStyleChars[LineStyleLight][vLine])
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testcanvas.MustSetCell(c, image.Point{5, 3}, lineStyleChars[LineStyleLight][bottomRightCorner])
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testcanvas.MustApply(c, ft)
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return ft
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},
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},
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{
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desc: "aligns the title to the right",
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canvas: image.Rect(0, 0, 6, 4),
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border: image.Rect(0, 0, 6, 4),
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opts: []BorderOption{
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BorderTitle("ab", OverrunModeStrict),
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BorderTitleAlign(align.HorizontalRight),
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},
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want: func(size image.Point) *faketerm.Terminal {
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ft := faketerm.MustNew(size)
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c := testcanvas.MustNew(ft.Area())
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testcanvas.MustSetCell(c, image.Point{0, 0}, lineStyleChars[LineStyleLight][topLeftCorner])
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testcanvas.MustSetCell(c, image.Point{0, 1}, lineStyleChars[LineStyleLight][vLine])
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testcanvas.MustSetCell(c, image.Point{0, 2}, lineStyleChars[LineStyleLight][vLine])
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testcanvas.MustSetCell(c, image.Point{0, 3}, lineStyleChars[LineStyleLight][bottomLeftCorner])
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testcanvas.MustSetCell(c, image.Point{1, 0}, lineStyleChars[LineStyleLight][hLine])
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testcanvas.MustSetCell(c, image.Point{1, 3}, lineStyleChars[LineStyleLight][hLine])
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testcanvas.MustSetCell(c, image.Point{2, 0}, lineStyleChars[LineStyleLight][hLine])
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testcanvas.MustSetCell(c, image.Point{2, 3}, lineStyleChars[LineStyleLight][hLine])
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testcanvas.MustSetCell(c, image.Point{3, 0}, 'a')
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testcanvas.MustSetCell(c, image.Point{3, 3}, lineStyleChars[LineStyleLight][hLine])
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testcanvas.MustSetCell(c, image.Point{4, 0}, 'b')
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testcanvas.MustSetCell(c, image.Point{4, 3}, lineStyleChars[LineStyleLight][hLine])
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testcanvas.MustSetCell(c, image.Point{5, 0}, lineStyleChars[LineStyleLight][topRightCorner])
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testcanvas.MustSetCell(c, image.Point{5, 1}, lineStyleChars[LineStyleLight][vLine])
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testcanvas.MustSetCell(c, image.Point{5, 2}, lineStyleChars[LineStyleLight][vLine])
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testcanvas.MustSetCell(c, image.Point{5, 3}, lineStyleChars[LineStyleLight][bottomRightCorner])
|
|
|
|
testcanvas.MustApply(c, ft)
|
|
return ft
|
|
},
|
|
},
|
|
}
|
|
|
|
for _, tc := range tests {
|
|
t.Run(tc.desc, func(t *testing.T) {
|
|
c, err := canvas.New(tc.canvas)
|
|
if err != nil {
|
|
t.Fatalf("canvas.New => unexpected error: %v", err)
|
|
}
|
|
|
|
err = Border(c, tc.border, tc.opts...)
|
|
if (err != nil) != tc.wantErr {
|
|
t.Errorf("Border => unexpected error: %v, wantErr: %v", err, tc.wantErr)
|
|
}
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
got, err := faketerm.New(c.Size())
|
|
if err != nil {
|
|
t.Fatalf("faketerm.New => unexpected error: %v", err)
|
|
}
|
|
|
|
if err := c.Apply(got); err != nil {
|
|
t.Fatalf("Apply => unexpected error: %v", err)
|
|
}
|
|
|
|
if diff := faketerm.Diff(tc.want(c.Size()), got); diff != "" {
|
|
t.Errorf("Border => %v", diff)
|
|
}
|
|
})
|
|
}
|
|
}
|