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
|
require 'busted.runner'()
local win = vis.win
-- check that cursor position remains unchanged after an invalid adjustment
local invalid_pos = function(place)
local pos = win.cursor.pos
local line = win.cursor.line
local col = win.cursor.col
win.cursor:to(line, col)
assert.has_error(place)
assert.are.equal(pos, win.cursor.pos)
assert.are.equal(line, win.cursor.line)
assert.are.equal(col, win.cursor.col)
end
describe("win.cursor", function()
it("initial position", function()
assert.are.equal(0, win.cursor.pos)
end)
it("initial line", function()
assert.are.equal(1, win.cursor.line)
end)
it("initial column", function()
assert.are.equal(1, win.cursor.col)
end)
end)
describe("win.cursor.pos", function()
it("= 0", function()
win.cursor.pos = 0
assert.are.equal(0, win.cursor.pos)
assert.are.equal(1, win.cursor.line)
assert.are.equal(1, win.cursor.col)
end)
it("= beyond end of file", function()
win.cursor.pos = win.file.size
local pos = win.cursor.pos
local line = win.cursor.line
local col = win.cursor.col
win.cursor.pos = 0
-- cursor is placed on last valid position
win.cursor.pos = win.file.size+1
assert.are.equal(pos, win.cursor.pos)
assert.are.equal(line, win.cursor.line)
assert.are.equal(col, win.cursor.col)
end)
end)
describe("win.cursor.to", function()
it("(5, 3)", function()
win.cursor:to(5, 3)
assert.are.equal(30, win.cursor.pos)
assert.are.equal(5, win.cursor.line)
assert.are.equal(3, win.cursor.col)
end)
it("(0, 0) invalid position", function()
-- is that what we want?
win.cursor:to(0, 0)
assert.are.equal(0, win.cursor.pos)
assert.are.equal(1, win.cursor.line)
assert.are.equal(1, win.cursor.col)
end)
it("invalid position, negative line", function()
invalid_pos(function() win.cursor:to(-1, 0) end)
end)
it("invalid position, negative column", function()
invalid_pos(function() win.cursor:to(0, -1) end)
end)
it("invalid position, non-integer line", function()
invalid_pos(function() win.cursor:to(1.5, 1) end)
end)
it("invalid position, non-integer column", function()
invalid_pos(function() win.cursor:to(1, 1.5) end)
end)
--[[
it("move beyond end of file", function()
win.cursor.pos = win.file.size
local pos = win.cursor.pos
local line = win.cursor.line
local col = win.cursor.col
win.cursor.pos = 0
-- cursor is placed on last valid position
win.cursor:to(#win.file.lines+2, 1000)
assert.are.equal(pos, win.cursor.pos)
assert.are.equal(line, win.cursor.line)
assert.are.equal(col, win.cursor.col)
end)
--]]
end)
|
