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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")
local ui_client = cimport("./src/nvim/ui_client.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
local kIncomplete = cinput.kIncomplete
local kNotApplicable = cinput.kNotApplicable
local kComplete = cinput.kComplete
-- Short-circuit when not waiting for response.
term_input.waiting_for_bg_response = 0
eq(kNotApplicable, 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(kComplete, handle_background_color(term_input))
eq(0, term_input.waiting_for_bg_response)
eq(0, multiqueue.multiqueue_size(events))
eq(bg, ({[0]="light", [1] = "dark", [-1] = "none"})
[tonumber(ui_client.ui_client_bg_response)])
-- 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: necessarily correct behavior.
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(kIncomplete, handle_background_color(term_input))
eq(1, term_input.waiting_for_bg_response)
eq(#term_response, rbuf.size)
term_response = '\007'
rbuffer.rbuffer_write(rbuf, to_cstr(term_response), #term_response)
eq(kComplete, handle_background_color(term_input))
eq(0, term_input.waiting_for_bg_response)
eq(0, tonumber(ui_client.ui_client_bg_response))
eq(0, multiqueue.multiqueue_size(events))
eq(0, rbuf.size)
term_response = '\027]11;rg'
rbuffer.rbuffer_write(rbuf, to_cstr(term_response), #term_response)
term_input.waiting_for_bg_response = 1
eq(kIncomplete, handle_background_color(term_input))
eq(1, term_input.waiting_for_bg_response)
eq(#term_response, rbuf.size)
term_response = 'ba:f/f/f/f\007'
rbuffer.rbuffer_write(rbuf, to_cstr(term_response), #term_response)
eq(kComplete, handle_background_color(term_input))
eq(0, term_input.waiting_for_bg_response)
eq(0, tonumber(ui_client.ui_client_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(kNotApplicable, 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(kComplete, handle_background_color(term_input))
eq(0, term_input.waiting_for_bg_response)
eq(0, multiqueue.multiqueue_size(events))
eq(3, rbuf.size)
rbuffer.rbuffer_consumed(rbuf, rbuf.size)
end)
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