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
137
138
139
140
141
|
context("test-colors")
colors_bad <- readLines(test_path("colors-bad.txt"))
colors_good <- readLines(test_path("colors-good.txt"))
# To update the test results:
# writeLines(parseCssColors(readLines(test_path("colors-good.txt"))), test_path("colors-good-expected.txt"))
colors_good_expected <- readLines(test_path("colors-good-expected.txt"))
test_that("parseCssColors", {
# Invalid colors
for (color in colors_bad) {
expect_error(parseCssColors(color))
}
expect_true(all(is.na(parseCssColors(colors_bad, mustWork = FALSE))))
# Both valid and invalid
expect_identical(
parseCssColors(c("black", "hello"), mustWork = FALSE),
c("#000000", NA)
)
# Valid colors
expect_identical(parseCssColors(colors_good), colors_good_expected)
})
test_that("decode_hex", {
expect_identical(decode_hex(sprintf("%02X", 0:255)), 0:255)
expect_identical(decode_hex(sprintf("%02x", 0:255)), 0:255)
expect_identical(decode_hex(sprintf("%1X", 0:15)), as.integer(0:15*16 + 0:15))
expect_identical(decode_hex(sprintf("%1x", 0:15)), as.integer(0:15*16 + 0:15))
expect_identical(decode_hex(character(0)), integer(0))
# Too many digits
expect_error(decode_hex("000"))
# Too few digits
expect_error(decode_hex(""))
# Not a valid number
expect_error(decode_hex("z"))
})
test_that("decode_float_255", {
expect_identical(decode_float_255(character(0)), integer(0))
expect_identical(decode_float_255("-1"), 0L)
expect_identical(decode_float_255("-0"), 0L)
expect_identical(decode_float_255("-1.2"), 0L)
expect_identical(decode_float_255("-.3"), 0L)
expect_identical(decode_float_255("-.300"), 0L)
expect_identical(decode_float_255("-300.300"), 0L)
expect_identical(decode_float_255("125"), 125L)
expect_identical(decode_float_255("125.5"), 126L)
# Rounding goes to nearest even number. :shrug:
expect_identical(decode_float_255("0.5"), 0L)
expect_identical(decode_float_255(".5"), 0L)
expect_identical(decode_float_255("1.5"), 2L)
expect_identical(decode_float_255(300), 255L)
expect_identical(decode_float_255(as.character(0:255)), 0:255)
expect_identical(decode_float_255(as.character(0:255 + 0.2)), 0:255)
expect_error(decode_float_255("-"))
expect_error(decode_float_255(""))
expect_error(decode_float_255("1."))
expect_error(decode_float_255("."))
expect_error(decode_float_255(" 1 "))
expect_error(decode_float_255(" "))
expect_error(decode_float_255("aa"))
})
test_that("decode_float_1", {
expect_identical(
decode_float_1(as.character(0:1000/1000)),
as.integer(round((0:1000/1000)*255))
)
# Without leading 0
expect_identical(
decode_float_1(
gsub("^0+\\.", ".", as.character(0:1000/1000))
),
as.integer(round((0:1000/1000)*255))
)
# Clamp
expect_identical(decode_float_1(-1), 0L)
expect_identical(decode_float_1(2), 255L)
expect_identical(decode_float_1(character(0)), integer(0))
expect_error(decode_float_1("a"))
expect_error(decode_float_1(""))
expect_error(decode_float_1(" "))
expect_error(decode_float_1(" 0 "))
})
test_that("decode_float_identity", {
rand <- runif(1000, min = -1000, max = 1000)
rand <- c(rand, 0)
expect_equal(decode_float_identity(as.character(rand)), rand)
expect_identical(decode_float_identity(character(0)), numeric(0))
expect_error(decode_float_identity("0."))
expect_error(decode_float_identity("."))
expect_error(decode_float_identity(""))
expect_error(decode_float_identity(NA))
})
test_that("decode_color_keyword", {
expect_identical(
encode_hex(decode_color_keyword(c("cornflowerblue", "orange"))),
c("#6495ED", "#FFA500")
)
expect_error(decode_color_keyword(""))
expect_error(decode_color_keyword("notvalid"))
expect_error(decode_color_keyword(" orange "))
expect_error(decode_color_keyword(NA))
})
test_that("parseCssColors() handles incoming NA values sensibly", {
expect_error(parseCssColors(NA))
expect_identical(
parseCssColors(NA, mustWork = FALSE),
NA_character_
)
expect_identical(
parseCssColors(rep(NA, 2), mustWork = FALSE),
rep(NA_character_, 2)
)
expect_identical(
parseCssColors(c(NA, "red"), mustWork = FALSE),
c(NA, "#FF0000")
)
expect_identical(
parseCssColors(c(NA, "blue", "notacolor"), mustWork = FALSE),
c(NA, "#0000FF", NA)
)
})
|
