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63 lines
1.7 KiB
Go
63 lines
1.7 KiB
Go
package m
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import (
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"fmt"
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"strings"
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"testing"
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"github.com/walles/moar/m/linenumbers"
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"github.com/walles/moar/twin"
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"gotest.tools/v3/assert"
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)
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const screenHeight = 60
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// Repro for: https://github.com/walles/moar/issues/166
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func testCanonicalize1000(t *testing.T, withStatusBar bool, currentStartLine linenumbers.LineNumber, lastVisibleLine linenumbers.LineNumber) {
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pager := Pager{}
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pager.screen = twin.NewFakeScreen(100, screenHeight)
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pager.reader = NewReaderFromText("test", strings.Repeat("a\n", 2000))
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pager.ShowLineNumbers = true
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pager.ShowStatusBar = withStatusBar
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pager.scrollPosition = scrollPosition{
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internalDontTouch: scrollPositionInternal{
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lineNumber: ¤tStartLine,
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deltaScreenLines: 0,
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name: "findFirstHit",
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canonicalizing: false,
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},
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}
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lastVisiblePosition := scrollPosition{
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internalDontTouch: scrollPositionInternal{
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lineNumber: &lastVisibleLine,
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deltaScreenLines: 0,
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name: "Last Visible Position",
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},
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}
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assert.Equal(t, *lastVisiblePosition.lineNumber(&pager), lastVisibleLine)
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}
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func TestCanonicalize1000WithStatusBar(t *testing.T) {
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for startLine := 0; startLine < 1500; startLine++ {
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t.Run(fmt.Sprint("startLine=", startLine), func(t *testing.T) {
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testCanonicalize1000(t, true,
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linenumbers.LineNumberFromZeroBased(startLine),
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linenumbers.LineNumberFromZeroBased(startLine+screenHeight-2),
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)
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})
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}
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}
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func TestCanonicalize1000WithoutStatusBar(t *testing.T) {
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for startLine := 0; startLine < 1500; startLine++ {
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t.Run(fmt.Sprint("startLine=", startLine), func(t *testing.T) {
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testCanonicalize1000(t, true,
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linenumbers.LineNumberFromZeroBased(startLine),
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linenumbers.LineNumberFromZeroBased(startLine+screenHeight-1),
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)
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})
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}
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}
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