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Merge pull request #271 from kauhat/feature/supported-methods

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Add SUPPORTED_COMPRESSION_METHODS constant
This commit is contained in:
Alexander Zaitsev 2022-01-31 22:32:06 +03:00 • committed by GitHub
commit 478501289a
Signed by: DevComp
GPG key ID: 4AEE18F83AFDEB23
2 changed files with 19 additions and 20 deletions
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37
src/compression.rs
View file

@ -142,9 +142,24 @@ impl fmt::Display for CompressionMethod {
} }
} }
/// The compression methods which have been implemented.
pub const SUPPORTED_COMPRESSION_METHODS: &[CompressionMethod] = &[
CompressionMethod::Stored,
#[cfg(any(
feature = "deflate",
feature = "deflate-miniz",
feature = "deflate-zlib"
))]
CompressionMethod::Deflated,
#[cfg(feature = "bzip2")]
CompressionMethod::Bzip2,
#[cfg(feature = "zstd")]
CompressionMethod::Zstd,
];
#[cfg(test)] #[cfg(test)]
mod test { mod test {
use super::CompressionMethod; use super::{CompressionMethod, SUPPORTED_COMPRESSION_METHODS};
#[test] #[test]
fn from_eq_to() { fn from_eq_to() {
@ -157,22 +172,6 @@ mod test {
} }
} }
fn methods() -> Vec<CompressionMethod> {
vec![
CompressionMethod::Stored,
#[cfg(any(
feature = "deflate",
feature = "deflate-miniz",
feature = "deflate-zlib"
))]
CompressionMethod::Deflated,
#[cfg(feature = "bzip2")]
CompressionMethod::Bzip2,
#[cfg(feature = "zstd")]
CompressionMethod::Zstd,
]
}
#[test] #[test]
fn to_eq_from() { fn to_eq_from() {
fn check_match(method: CompressionMethod) { fn check_match(method: CompressionMethod) {
@ -185,7 +184,7 @@ mod test {
assert_eq!(to, back); assert_eq!(to, back);
} }
for method in methods() { for &method in SUPPORTED_COMPRESSION_METHODS {
check_match(method); check_match(method);
} }
} }
@ -198,7 +197,7 @@ mod test {
assert_eq!(debug_str, display_str); assert_eq!(debug_str, display_str);
} }
for method in methods() { for &method in SUPPORTED_COMPRESSION_METHODS {
check_match(method); check_match(method);
} }
} }

2
src/lib.rs
View file

@ -5,7 +5,7 @@
#![warn(missing_docs)] #![warn(missing_docs)]
pub use crate::compression::CompressionMethod; pub use crate::compression::{CompressionMethod, SUPPORTED_COMPRESSION_METHODS};
pub use crate::read::ZipArchive; pub use crate::read::ZipArchive;
pub use crate::types::DateTime; pub use crate::types::DateTime;
pub use crate::write::ZipWriter; pub use crate::write::ZipWriter;