Add minimalistic integration tests
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@ -73,10 +73,13 @@ pub fn read_nrg_metadata(fd: &mut File) -> Result<NrgMetadata, NrgError> {
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/// Determines the NRG format of an open NRG image `fd` of file `file_size`.
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///
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/// `fd`'s offset at call-time doesn't matter, as this function will seek to
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/// read the relevant data.
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///
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/// The offset is left after the main chunk ID, therefore the calling function
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/// can read the first data chunk's offset (32 bits for NRG v1 or 64 bits for
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/// NRG v2) directly without seeking.
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fn read_nrg_version(fd: &mut File, file_size: u64) -> Result<u8, NrgError> {
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pub fn read_nrg_version(fd: &mut File, file_size: u64) -> Result<u8, NrgError> {
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if file_size < 12 {
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// Input file too small
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return Err(NrgError::NrgFormat(
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Binary file not shown.
Binary file not shown.
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@ -0,0 +1,19 @@
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extern crate nrgrip;
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use nrgrip::metadata;
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use std::fs::File;
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use std::io::{Seek, SeekFrom};
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use std::path::PathBuf;
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#[test]
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fn nrg_format() {
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let mut img = PathBuf::new();
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img.push("tests");
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img.push("minimal_v1.nrg");
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let mut fd = File::open(img)
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.expect("File::open()");
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let size = fd.seek(SeekFrom::End(0))
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.expect("fd.seek()");
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let ver = metadata::read_nrg_version(&mut fd, size)
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.expect("read_nrg_version()");
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assert_eq!(ver, 1);
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}
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@ -0,0 +1,19 @@
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extern crate nrgrip;
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use nrgrip::metadata;
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use std::fs::File;
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use std::io::{Seek, SeekFrom};
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use std::path::PathBuf;
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#[test]
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fn nrg_format() {
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let mut img = PathBuf::new();
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img.push("tests");
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img.push("minimal_v2.nrg");
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let mut fd = File::open(img)
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.expect("File::open()");
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let size = fd.seek(SeekFrom::End(0))
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.expect("fd.seek()");
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let ver = metadata::read_nrg_version(&mut fd, size)
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.expect("read_nrg_version()");
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assert_eq!(ver, 2);
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}
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