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d61482dffc
* lib/std/collections: add HashMap.@each_entry()
* lib/std/json: fix Object.free() when object is a map
* lib/std/collections: fix allocator use in Object.{set,set_at,append}
* lib/std: add char.from_hex
* lib/std/collections: print arrays and objects compactly
* lib/std/io: fix Formatter.vprintf result
* lib/std/io/stream: rename module for ByteBuffer
* lib/std/io/stream: make Scanner a Stream reader
* lib/std/io: make std{in,err,out} return File* if no libc
67 lines
1.4 KiB
C
67 lines
1.4 KiB
C
module std::io @test;
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import std::collections::list;
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def Results = List(<String>);
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struct ScanTest
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{
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String in;
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String[] out;
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String left_over;
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}
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fn void! scanner()
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{
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ScanTest[] tcases = {
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{"aa,,bb", {"aa"}, "bb"},
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{"a,,b,,", {"a", "b"}, ""},
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{"ab,,c", {"ab"}, "c"},
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{"ab,,cd,,e", {"ab", "cd"}, "e"},
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};
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foreach (tc : tcases)
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{
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ByteReader br;
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br.init(tc.in);
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Scanner sc;
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char[4] buffer; // max match (2) + pattern length (2)
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sc.init(&br, buffer[..]);
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Results results;
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while LOOP: (true)
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{
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char[]! res = sc.scan(",,");
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if (catch err = res)
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{
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case SearchResult.MISSING:
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break LOOP;
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default:
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return err?;
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}
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String str = (String)res;
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results.push(str.tconcat(""));
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}
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String[] got = results.array_view();
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assert(got == tc.out, "got %s; want %s", got, tc.out);
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char[] fl = sc.flush();
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String left_over = (String)fl;
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assert(left_over == tc.left_over, "%s -> %s", tc.in, left_over);
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}
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}
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fn void! scanner_as_reader()
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{
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ByteReader br;
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br.init("Lorem ipsum sit.");
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Scanner sc;
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char[8] buffer;
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sc.init(&br, buffer[..]);
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sc.scan(" ")!;
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char[16] res;
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usz n = sc.read(&res)!;
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String str = (String)res[:n];
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assert(str == "ipsum sit.", "got '%s'; want 'ipsum sit.'", str);
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} |