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
|
use gdk_pixbuf::*;
#[test]
#[cfg(target_pointer_width = "64")]
fn put_pixel_doesnt_overflow() {
// Only test this on 64-bit boxes; otherwise we can't even
// allocate a pixbuf this big.
let pixbuf = Pixbuf::new(Colorspace::Rgb, true, 8, 21000, 29700).unwrap();
// debug build: thread 'put_pixel_doesnt_overflow' panicked at
// 'attempt to multiply with overflow', src/pixbuf.rs:274:24
//
// release build: thread 'put_pixel_doesnt_overflow' panicked at
// 'index out of bounds: the len is 2494800000, but the index is
// 18446744071598664320', src/pixbuf.rs:276:13
pixbuf.put_pixel(20000, 26000, 255, 255, 255, 255);
}
#[test]
#[cfg(target_pointer_width = "64")]
fn new_from_mut_slice_doesnt_overflow() {
// Only test this on 64-bit boxes; otherwise we can't even
// allocate a pixbuf this big.
// Plus 5 to test that new_from_mut_slice() can ignore trailing data past the last row
let data = vec![0u8; 21000 * 4 * 29700 + 5];
// debug build: thread 'new_from_mut_slice_doesnt_overflow'
// panicked at 'attempt to multiply with overflow',
// /home/federico/src/gtk-rs/gdk-pixbuf/src/pixbuf.rs:50:36
//
// release build: thread 'new_from_mut_slice_doesnt_overflow'
// panicked at 'assertion failed: data.len() == ((height - 1) *
// row_stride + last_row_len) as usize', src/pixbuf.rs:50:13
let _pixbuf = Pixbuf::from_mut_slice(data, Colorspace::Rgb, true, 8, 21000, 29700, 21000 * 4);
}
#[test]
#[should_panic]
fn put_pixel_out_of_bounds_x_should_panic() {
let pixbuf = Pixbuf::new(Colorspace::Rgb, true, 8, 100, 200).unwrap();
pixbuf.put_pixel(100, 0, 0, 0, 0, 0);
}
#[test]
#[should_panic]
fn put_pixel_out_of_bounds_y_should_panic() {
let pixbuf = Pixbuf::new(Colorspace::Rgb, true, 8, 100, 200).unwrap();
pixbuf.put_pixel(0, 200, 0, 0, 0, 0);
}
#[test]
#[should_panic]
fn too_small_slice_should_panic() {
let data = vec![0u8; 100 * 99 * 4];
Pixbuf::from_mut_slice(data, Colorspace::Rgb, true, 8, 100, 100, 100 * 4);
}
#[test]
fn last_row_with_incomplete_rowstride_works() {
// 1-pixel wide, RGB, 3 32-bit rows, no extra padding byte on the fourth row
let data = vec![0u8; 4 * 3 + 3];
Pixbuf::from_mut_slice(data, Colorspace::Rgb, false, 8, 1, 4, 4);
}
#[test]
fn last_row_with_full_rowstride_works() {
// 1-pixel wide, RGB, 4 32-bit rows
let data = vec![0u8; 4 * 4];
Pixbuf::from_mut_slice(data, Colorspace::Rgb, false, 8, 1, 4, 4);
}
#[test]
fn extra_data_after_last_row_works() {
// 1-pixel wide, RGB, 4 32-bit rows, plus some extra space
let data = vec![0u8; 4 * 4 + 42];
Pixbuf::from_mut_slice(data, Colorspace::Rgb, false, 8, 1, 4, 4);
}
|
