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add a test for comparing fragment data, fix #273 #417

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add a test for comparing fragment data, fix #273 #417

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16 changes: 14 additions & 2 deletions mp4parse_capi/tests/test_fragment.rs
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
use mp4parse_capi::*;
use std::io::Read;
use std::{io::Read, ptr::null};

extern "C" fn buf_read(buf: *mut u8, size: usize, userdata: *mut std::os::raw::c_void) -> isize {
let input: &mut std::fs::File = unsafe { &mut *(userdata as *mut _) };
Expand Down Expand Up @@ -47,7 +47,19 @@ fn parse_fragment() {
assert_eq!((*audio.sample_info).channels, 2);
assert_eq!((*audio.sample_info).bit_depth, 16);
assert_eq!((*audio.sample_info).sample_rate, 22050);
assert_eq!((*audio.sample_info).extra_data.length, 27);

// Check that extra data binary blob.
let expected_extra_data: [u8; 27] = [
0x03, 0x19, 0x00, 0x01, 0x00, 0x04, 0x11, 0x40, 0x15, 0x00, 0x00, 0x00, 0x00, 0x00,
0x11, 0x51, 0x00, 0x00, 0x11, 0x51, 0x05, 0x02, 0x13, 0x90, 0x06, 0x01, 0x02,
];
let extra_data = &(*audio.sample_info).extra_data;
assert_ne!(extra_data.data, null());
assert_eq!(extra_data.length, 27);
for (i, expected_byte) in expected_extra_data.iter().enumerate() {
assert_eq!(&(*extra_data.data.add(i)), expected_byte);
}

assert_eq!((*audio.sample_info).codec_specific_config.length, 2);

let mut is_fragmented_file: u8 = 0;
Expand Down