Changes to screen_bench_test.go. All files

screen_bench_test.go

new file mode 100644@@ -0,0 +1,68 @@+// Copyright 2026 The TCell Authors+//+// Licensed under the Apache License, Version 2.0 (the "License");+// you may not use this 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"++	"github.com/gdamore/tcell/v3/vt"+)++func BenchmarkSetContent(b *testing.B) {+	for _, tc := range []struct {+		name  string+		runes [2]rune+		comb  []rune+	}{+		{name: "ASCII", runes: [2]rune{'x', 'y'}},+		{name: "Unicode", runes: [2]rune{'é', 'ñ'}},+		{name: "Drawing", runes: [2]rune{'┼', '─'}},+		{name: "Cyrillic", runes: [2]rune{'Ж', 'Я'}},+		{name: "Wide", runes: [2]rune{'界', '世'}},+		{name: "Emoji", runes: [2]rune{'😀', '😃'}},+		{name: "Combining", runes: [2]rune{'e', 'a'}, comb: []rune{'\u0301'}},+		{name: "Arabic", runes: [2]rune{'ش', 'س'}, comb: []rune{'\u064e'}},+		{name: "Devanagari", runes: [2]rune{'क', 'ख'}, comb: []rune{'\u093f'}},+	} {+		for _, changed := range []bool{false, true} {+			name := tc.name + "/Redraw"+			if changed {+				name = tc.name + "/Changed"+			}+			b.Run(name, func(b *testing.B) {+				scr, err := NewTerminfoScreenFromTty(vt.NewMockTerm(vt.MockOptSize{X: 4, Y: 1}))+				if err != nil {+					b.Fatal(err)+				}+				if err := scr.Init(); err != nil {+					b.Fatal(err)+				}+				b.Cleanup(scr.Fini)+				for _, r := range tc.runes {+					scr.SetContent(0, 0, r, tc.comb, StyleDefault)+				}+				b.ReportAllocs()+				b.ResetTimer()+				for i := 0; i < b.N; i++ {+					r := tc.runes[0]+					if changed {+						r = tc.runes[i%2]+					}+					scr.SetContent(0, 0, r, tc.comb, StyleDefault)+				}+			})+		}+	}+}