screen_geometry_test.go RawHistoryFolder

1package vt
2
3import "testing"
4
5func TestScreenWindowSizeReports(t *testing.T) {
6	tests := []struct {
7		name     string
8		geometry Geometry
9		query    string
10		want     string
11	}{
12		{name: "window pixels", geometry: Geometry{Cols: 80, Rows: 24, PixelWidth: 640, PixelHeight: 384}, query: "\x1b[14t", want: "\x1b[4;384;640t"},
13		{name: "cell pixels", geometry: Geometry{Cols: 80, Rows: 24, PixelWidth: 640, PixelHeight: 384}, query: "\x1b[16t", want: "\x1b[6;16;8t"},
14		{name: "cell pixels truncate", geometry: Geometry{Cols: 80, Rows: 24, PixelWidth: 803, PixelHeight: 487}, query: "\x1b[16t", want: "\x1b[6;20;10t"},
15		{name: "unknown pixels", geometry: Geometry{Cols: 80, Rows: 24}, query: "\x1b[14t"},
16		{name: "partial pixels are unknown", geometry: Geometry{Cols: 80, Rows: 24, PixelWidth: 640}, query: "\x1b[16t"},
17		{name: "unrelated window query", geometry: Geometry{Cols: 80, Rows: 24, PixelWidth: 640, PixelHeight: 384}, query: "\x1b[18t"},
18		{name: "private parameter is ignored", geometry: Geometry{Cols: 80, Rows: 24, PixelWidth: 640, PixelHeight: 384}, query: "\x1b[?14t"},
19	}
20	for _, tt := range tests {
21		t.Run(tt.name, func(t *testing.T) {
22			s := NewScreen(tt.geometry.Cols, tt.geometry.Rows)
23			s.SetGeometry(tt.geometry)
24			var got string
25			s.OnResponse = func(response []byte) { got += string(response) }
26			s.Write([]byte(tt.query))
27			if got != tt.want {
28				t.Fatalf("response = %q, want %q", got, tt.want)
29			}
30		})
31	}
32}
33
34func TestScreenWindowSizeReportsRequireUsableGeometry(t *testing.T) {
35	s := NewScreen(80, 24)
36	s.SetGeometry(Geometry{Cols: 80, Rows: 24, PixelWidth: 640, PixelHeight: 384})
37	s.geometry.Cols = 0
38	var got string
39	s.OnResponse = func(response []byte) { got += string(response) }
40	s.Write([]byte("\x1b[14t"))
41	if got != "" {
42		t.Fatalf("response = %q", got)
43	}
44}