test(vt): cover bounded pending damage

commit: ef75ff9d8067c5ced6a2c1d01ca84d3179c46dcd
author: brice · 3mo ago · 2026-07-12 09:10 UTC
parent: 0d51098
signature: GPG VerifiedCD88F9E564E0102646FB6077A1A07C7C7C3E349D · arch-gpg Verified for the committer email

1 file · +18 -0

M pkg/vt/screen_test.go +18 -0


@@ -2055,6 +2055,24 @@ func TestResize(t *testing.T) {
2055	2055		// ClearDamage
2056	2056		// ---------------------------------------------------------------------------
2057	2057
	2058	+	func TestDamageSaturationBoundsPendingRecords(t *testing.T) {
	2059	+	s := NewScreen(2, 2)
	2060	+	s.ClearDamage()
	2061	+
	2062	+	for i := range 1_100 {
	2063	+	s.record(renderer.Damage{Kind: renderer.DamageText, X: i % 2, Y: (i / 2) % 2, Width: 1, Height: 1, Count: 1})
	2064	+	}
	2065	+	require.Equal(t, []renderer.Damage{renderer.FullRedraw()}, s.Damage())
	2066	+
	2067	+	// Saturation is sticky until the render owner acknowledges or clears it.
	2068	+	s.record(renderer.Damage{Kind: renderer.DamageText, X: 0, Y: 0, Width: 1, Height: 1, Count: 1})
	2069	+	require.Equal(t, []renderer.Damage{renderer.FullRedraw()}, s.Damage())
	2070	+
	2071	+	s.ClearDamage()
	2072	+	s.record(renderer.Damage{Kind: renderer.DamageText, X: 0, Y: 0, Width: 1, Height: 1, Count: 1})
	2073	+	require.Equal(t, []renderer.Damage{{Kind: renderer.DamageText, X: 0, Y: 0, Width: 1, Height: 1, Count: 1}}, s.Damage())
	2074	+	}
	2075	+
2058	2076		func TestClearDamage(t *testing.T) {
2059	2077		tests := []struct {
2060	2078		name string


@@ -2055,6 +2055,24 @@ func TestResize(t *testing.T) {
2055	// ClearDamage	2055		// ClearDamage
2056	// ---------------------------------------------------------------------------	2056		// ---------------------------------------------------------------------------
2057		2057
		2058	+	func TestDamageSaturationBoundsPendingRecords(t *testing.T) {
		2059	+	s := NewScreen(2, 2)
		2060	+	s.ClearDamage()
		2061	+
		2062	+	for i := range 1_100 {
		2063	+	s.record(renderer.Damage{Kind: renderer.DamageText, X: i % 2, Y: (i / 2) % 2, Width: 1, Height: 1, Count: 1})
		2064	+	}
		2065	+	require.Equal(t, []renderer.Damage{renderer.FullRedraw()}, s.Damage())
		2066	+
		2067	+	// Saturation is sticky until the render owner acknowledges or clears it.
		2068	+	s.record(renderer.Damage{Kind: renderer.DamageText, X: 0, Y: 0, Width: 1, Height: 1, Count: 1})
		2069	+	require.Equal(t, []renderer.Damage{renderer.FullRedraw()}, s.Damage())
		2070	+
		2071	+	s.ClearDamage()
		2072	+	s.record(renderer.Damage{Kind: renderer.DamageText, X: 0, Y: 0, Width: 1, Height: 1, Count: 1})
		2073	+	require.Equal(t, []renderer.Damage{{Kind: renderer.DamageText, X: 0, Y: 0, Width: 1, Height: 1, Count: 1}}, s.Damage())
		2074	+	}
		2075	+
2058	func TestClearDamage(t *testing.T) {	2076		func TestClearDamage(t *testing.T) {
2059	tests := []struct {	2077		tests := []struct {
2060	name string	2078		name string