86 lines
4.4 KiB
Rust
86 lines
4.4 KiB
Rust
use core::str::lossy::*;
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#[test]
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fn chunks() {
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let mut iter = Utf8Lossy::from_bytes(b"hello").chunks();
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assert_eq!(Some(Utf8LossyChunk { valid: "hello", broken: b"" }), iter.next());
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assert_eq!(None, iter.next());
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let mut iter = Utf8Lossy::from_bytes("ศไทย中华Việt Nam".as_bytes()).chunks();
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assert_eq!(Some(Utf8LossyChunk { valid: "ศไทย中华Việt Nam", broken: b"" }), iter.next());
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assert_eq!(None, iter.next());
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let mut iter = Utf8Lossy::from_bytes(b"Hello\xC2 There\xFF Goodbye").chunks();
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assert_eq!(Some(Utf8LossyChunk { valid: "Hello", broken: b"\xC2" }), iter.next());
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assert_eq!(Some(Utf8LossyChunk { valid: " There", broken: b"\xFF" }), iter.next());
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assert_eq!(Some(Utf8LossyChunk { valid: " Goodbye", broken: b"" }), iter.next());
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assert_eq!(None, iter.next());
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let mut iter = Utf8Lossy::from_bytes(b"Hello\xC0\x80 There\xE6\x83 Goodbye").chunks();
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assert_eq!(Some(Utf8LossyChunk { valid: "Hello", broken: b"\xC0" }), iter.next());
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assert_eq!(Some(Utf8LossyChunk { valid: "", broken: b"\x80" }), iter.next());
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assert_eq!(Some(Utf8LossyChunk { valid: " There", broken: b"\xE6\x83" }), iter.next());
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assert_eq!(Some(Utf8LossyChunk { valid: " Goodbye", broken: b"" }), iter.next());
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assert_eq!(None, iter.next());
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let mut iter = Utf8Lossy::from_bytes(b"\xF5foo\xF5\x80bar").chunks();
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assert_eq!(Some(Utf8LossyChunk { valid: "", broken: b"\xF5" }), iter.next());
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assert_eq!(Some(Utf8LossyChunk { valid: "foo", broken: b"\xF5" }), iter.next());
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assert_eq!(Some(Utf8LossyChunk { valid: "", broken: b"\x80" }), iter.next());
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assert_eq!(Some(Utf8LossyChunk { valid: "bar", broken: b"" }), iter.next());
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assert_eq!(None, iter.next());
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let mut iter = Utf8Lossy::from_bytes(b"\xF1foo\xF1\x80bar\xF1\x80\x80baz").chunks();
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assert_eq!(Some(Utf8LossyChunk { valid: "", broken: b"\xF1" }), iter.next());
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assert_eq!(Some(Utf8LossyChunk { valid: "foo", broken: b"\xF1\x80" }), iter.next());
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assert_eq!(Some(Utf8LossyChunk { valid: "bar", broken: b"\xF1\x80\x80" }), iter.next());
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assert_eq!(Some(Utf8LossyChunk { valid: "baz", broken: b"" }), iter.next());
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assert_eq!(None, iter.next());
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let mut iter = Utf8Lossy::from_bytes(b"\xF4foo\xF4\x80bar\xF4\xBFbaz").chunks();
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assert_eq!(Some(Utf8LossyChunk { valid: "", broken: b"\xF4" }), iter.next());
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assert_eq!(Some(Utf8LossyChunk { valid: "foo", broken: b"\xF4\x80" }), iter.next());
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assert_eq!(Some(Utf8LossyChunk { valid: "bar", broken: b"\xF4" }), iter.next());
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assert_eq!(Some(Utf8LossyChunk { valid: "", broken: b"\xBF" }), iter.next());
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assert_eq!(Some(Utf8LossyChunk { valid: "baz", broken: b"" }), iter.next());
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assert_eq!(None, iter.next());
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let mut iter = Utf8Lossy::from_bytes(b"\xF0\x80\x80\x80foo\xF0\x90\x80\x80bar").chunks();
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assert_eq!(Some(Utf8LossyChunk { valid: "", broken: b"\xF0" }), iter.next());
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assert_eq!(Some(Utf8LossyChunk { valid: "", broken: b"\x80" }), iter.next());
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assert_eq!(Some(Utf8LossyChunk { valid: "", broken: b"\x80" }), iter.next());
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assert_eq!(Some(Utf8LossyChunk { valid: "", broken: b"\x80" }), iter.next());
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assert_eq!(Some(Utf8LossyChunk { valid: "foo\u{10000}bar", broken: b"" }), iter.next());
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assert_eq!(None, iter.next());
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// surrogates
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let mut iter = Utf8Lossy::from_bytes(b"\xED\xA0\x80foo\xED\xBF\xBFbar").chunks();
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assert_eq!(Some(Utf8LossyChunk { valid: "", broken: b"\xED" }), iter.next());
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assert_eq!(Some(Utf8LossyChunk { valid: "", broken: b"\xA0" }), iter.next());
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assert_eq!(Some(Utf8LossyChunk { valid: "", broken: b"\x80" }), iter.next());
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assert_eq!(Some(Utf8LossyChunk { valid: "foo", broken: b"\xED" }), iter.next());
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assert_eq!(Some(Utf8LossyChunk { valid: "", broken: b"\xBF" }), iter.next());
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assert_eq!(Some(Utf8LossyChunk { valid: "", broken: b"\xBF" }), iter.next());
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assert_eq!(Some(Utf8LossyChunk { valid: "bar", broken: b"" }), iter.next());
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assert_eq!(None, iter.next());
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}
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#[test]
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fn display() {
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assert_eq!(
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"Hello\u{FFFD}\u{FFFD} There\u{FFFD} Goodbye",
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&Utf8Lossy::from_bytes(b"Hello\xC0\x80 There\xE6\x83 Goodbye").to_string()
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);
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}
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#[test]
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fn debug() {
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assert_eq!(
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"\"Hello\\xc0\\x80 There\\xe6\\x83 Goodbye\\u{10d4ea}\"",
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&format!(
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"{:?}",
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Utf8Lossy::from_bytes(b"Hello\xC0\x80 There\xE6\x83 Goodbye\xf4\x8d\x93\xaa")
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)
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);
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}
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