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std.io.Reader: add doctest for streamDelimiterLimit

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This commit is contained in:
Andrew Kelley 2025-06-30 12:48:36 -07:00
parent 435ccf706d
commit 1ee403ce93
1 changed files with 8 additions and 3 deletions
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11
lib/std/io/Reader.zig
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@ -1345,7 +1345,6 @@ test streamDelimiter {
var out_buffer: [10]u8 = undefined;
var r: Reader = .fixed("foo\nbars");
var w: Writer = .fixed(&out_buffer);
// Short streams are possible with this function but not with fixed.
try testing.expectEqual(3, try r.streamDelimiter(&w, '\n'));
try testing.expectEqualStrings("foo", w.buffered());
try testing.expectEqual(0, try r.streamDelimiter(&w, '\n'));
@ -1357,7 +1356,6 @@ test streamDelimiterEnding {
var out_buffer: [10]u8 = undefined;
var r: Reader = .fixed("foo\nbars");
var w: Writer = .fixed(&out_buffer);
// Short streams are possible with this function but not with fixed.
try testing.expectEqual(3, try r.streamDelimiterEnding(&w, '\n'));
try testing.expectEqualStrings("foo", w.buffered());
r.toss(1);
@ -1368,7 +1366,14 @@ test streamDelimiterEnding {
}
test streamDelimiterLimit {
return error.Unimplemented;
var out_buffer: [10]u8 = undefined;
var r: Reader = .fixed("foo\nbars");
var w: Writer = .fixed(&out_buffer);
try testing.expectError(error.StreamTooLong, r.streamDelimiterLimit(&w, '\n', .limited(2)));
try testing.expectEqual(1, try r.streamDelimiterLimit(&w, '\n', .limited(3)));
r.toss(1);
try testing.expectEqual(4, try r.streamDelimiterLimit(&w, '\n', .unlimited));
try testing.expectEqualStrings("foobars", w.buffered());
}
test discardDelimiterExclusive {