aboutsummaryrefslogtreecommitdiff
path: root/test/unit/tui_spec.lua
blob: e6b5c889d74191ea669fafd0ad6635177661ae2b (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
local helpers = require("test.unit.helpers")(after_each)
local cimport = helpers.cimport
local eq = helpers.eq
local ffi = helpers.ffi
local itp = helpers.gen_itp(it)
local to_cstr = helpers.to_cstr

local cinput = cimport("./src/nvim/tui/input.h")
local rbuffer = cimport("./test/unit/fixtures/rbuffer.h")
local globals = cimport("./src/nvim/globals.h")
local multiqueue = cimport("./test/unit/fixtures/multiqueue.h")

itp('handle_background_color', function()
  local handle_background_color = cinput.ut_handle_background_color
  local term_input = ffi.new('TermInput', {})
  local events = globals.main_loop.thread_events

  -- Short-circuit when not waiting for response.
  term_input.waiting_for_bg_response = 0
  eq(false, handle_background_color(term_input))

  local capacity = 100
  local rbuf = ffi.gc(rbuffer.rbuffer_new(capacity), rbuffer.rbuffer_free)
  term_input.read_stream.buffer = rbuf

  local function assert_bg(colorspace, color, bg)
    local term_response = '\027]11;'..colorspace..':'..color..'\007'
    rbuffer.rbuffer_write(rbuf, to_cstr(term_response), #term_response)

    term_input.waiting_for_bg_response = 1
    eq(true, handle_background_color(term_input))
    eq(0, term_input.waiting_for_bg_response)
    eq(1, multiqueue.multiqueue_size(events))

    local event = multiqueue.multiqueue_get(events)
    local bg_event = ffi.cast("Event*", event.argv[1])
    eq(bg, ffi.string(bg_event.argv[0]))

    -- Buffer has been consumed.
    eq(0, rbuf.size)
  end

  assert_bg('rgb', '0000/0000/0000', 'dark')
  assert_bg('rgb', 'ffff/ffff/ffff', 'light')
  assert_bg('rgb', '000/000/000', 'dark')
  assert_bg('rgb', 'fff/fff/fff', 'light')
  assert_bg('rgb', '00/00/00', 'dark')
  assert_bg('rgb', 'ff/ff/ff', 'light')
  assert_bg('rgb', '0/0/0', 'dark')
  assert_bg('rgb', 'f/f/f', 'light')

  assert_bg('rgb', 'f/0/0', 'dark')
  assert_bg('rgb', '0/f/0', 'light')
  assert_bg('rgb', '0/0/f', 'dark')

  assert_bg('rgb', '1/1/1', 'dark')
  assert_bg('rgb', '2/2/2', 'dark')
  assert_bg('rgb', '3/3/3', 'dark')
  assert_bg('rgb', '4/4/4', 'dark')
  assert_bg('rgb', '5/5/5', 'dark')
  assert_bg('rgb', '6/6/6', 'dark')
  assert_bg('rgb', '7/7/7', 'dark')
  assert_bg('rgb', '8/8/8', 'light')
  assert_bg('rgb', '9/9/9', 'light')
  assert_bg('rgb', 'a/a/a', 'light')
  assert_bg('rgb', 'b/b/b', 'light')
  assert_bg('rgb', 'c/c/c', 'light')
  assert_bg('rgb', 'd/d/d', 'light')
  assert_bg('rgb', 'e/e/e', 'light')

  assert_bg('rgb', '0/e/0', 'light')
  assert_bg('rgb', '0/d/0', 'light')
  assert_bg('rgb', '0/c/0', 'dark')
  assert_bg('rgb', '0/b/0', 'dark')

  assert_bg('rgb', 'f/0/f', 'dark')
  assert_bg('rgb', 'f/1/f', 'dark')
  assert_bg('rgb', 'f/2/f', 'dark')
  assert_bg('rgb', 'f/3/f', 'light')
  assert_bg('rgb', 'f/4/f', 'light')

  assert_bg('rgba', '0000/0000/0000/0000', 'dark')
  assert_bg('rgba', '0000/0000/0000/ffff', 'dark')
  assert_bg('rgba', 'ffff/ffff/ffff/0000', 'light')
  assert_bg('rgba', 'ffff/ffff/ffff/ffff', 'light')
  assert_bg('rgba', '000/000/000/000', 'dark')
  assert_bg('rgba', '000/000/000/fff', 'dark')
  assert_bg('rgba', 'fff/fff/fff/000', 'light')
  assert_bg('rgba', 'fff/fff/fff/fff', 'light')
  assert_bg('rgba', '00/00/00/00', 'dark')
  assert_bg('rgba', '00/00/00/ff', 'dark')
  assert_bg('rgba', 'ff/ff/ff/00', 'light')
  assert_bg('rgba', 'ff/ff/ff/ff', 'light')
  assert_bg('rgba', '0/0/0/0', 'dark')
  assert_bg('rgba', '0/0/0/f', 'dark')
  assert_bg('rgba', 'f/f/f/0', 'light')
  assert_bg('rgba', 'f/f/f/f', 'light')


  -- Incomplete sequence: not necessarily correct behavior, but tests it.
  local term_response = '\027]11;rgba:f/f/f/f'  -- missing '\007
  rbuffer.rbuffer_write(rbuf, to_cstr(term_response), #term_response)

  term_input.waiting_for_bg_response = 1
  eq(false, handle_background_color(term_input))
  eq(0, term_input.waiting_for_bg_response)

  eq(0, multiqueue.multiqueue_size(events))
  eq(0, rbuf.size)


  -- Does nothing when not at start of buffer.
  term_response = '123\027]11;rgba:f/f/f/f\007456'
  rbuffer.rbuffer_write(rbuf, to_cstr(term_response), #term_response)

  term_input.waiting_for_bg_response = 3
  eq(false, handle_background_color(term_input))
  eq(2, term_input.waiting_for_bg_response)

  eq(0, multiqueue.multiqueue_size(events))
  eq(#term_response, rbuf.size)
  rbuffer.rbuffer_consumed(rbuf, #term_response)


  -- Keeps trailing buffer.
  term_response = '\027]11;rgba:f/f/f/f\007456'
  rbuffer.rbuffer_write(rbuf, to_cstr(term_response), #term_response)

  term_input.waiting_for_bg_response = 1
  eq(true, handle_background_color(term_input))
  eq(0, term_input.waiting_for_bg_response)

  eq(1, multiqueue.multiqueue_size(events))
  eq(3, rbuf.size)
  rbuffer.rbuffer_consumed(rbuf, rbuf.size)
end)