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Improve OutputStream and Writer emulation #10119

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@zbynek zbynek commented Apr 27, 2025

Fixes #10123

Add a few convenience methods introduced in Java 11.

nullStream.close();
try {
nullStream.write(1);
fail("Writing to a closed stream should fail.");
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Worth noting perhaps that StringReader ignores close, and would fail this style of test. This goes against the JRE implementation and javadoc. There may be others that are wrong too.

public void close() throws IOException { }

Definitely not asking for this to be fixed here, just noting it.

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zbynek commented May 9, 2025

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OutputStream, ByteArrayOutputStream and Writer emulation
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