loov--lensm
wehub-resource-sync
52 行
1.2 KiB
Go
52 行
1.2 KiB
Go
package main
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import "testing"
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func TestNavigationHistory(t *testing.T) {
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var history NavigationHistory
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history.Reset()
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history.Visit("main.A")
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history.Visit("main.B")
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history.Visit("main.C")
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if got, ok := history.Back(); !ok || got != "main.B" {
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t.Fatalf("Back() = %q, %v", got, ok)
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}
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if got, ok := history.Back(); !ok || got != "main.A" {
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t.Fatalf("Back() = %q, %v", got, ok)
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}
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if _, ok := history.Back(); ok {
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t.Fatal("Back succeeded at beginning")
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}
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if got, ok := history.Forward(); !ok || got != "main.B" {
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t.Fatalf("Forward() = %q, %v", got, ok)
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}
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}
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func TestNavigationHistoryVisitTruncatesForward(t *testing.T) {
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var history NavigationHistory
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history.Reset()
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history.Visit("A")
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history.Visit("B")
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history.Visit("C")
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_, _ = history.Back()
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history.Visit("D")
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if history.CanForward() {
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t.Fatal("forward history was not truncated")
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}
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if got, _ := history.Back(); got != "B" {
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t.Fatalf("Back() = %q, want B", got)
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}
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}
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func TestNavigationHistorySkipsDuplicateVisit(t *testing.T) {
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var history NavigationHistory
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history.Reset()
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history.Visit("A")
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history.Visit("A")
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if history.CanBack() {
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t.Fatal("duplicate visit created a history entry")
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}
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}
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