Package org.apache.commons.io.output

Examples of org.apache.commons.io.output.ByteArrayOutputStream

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    }

    public void testCopy_stringToOutputStream() throws Exception {
        String str = new String(inData, "US-ASCII");
       
        ByteArrayOutputStream baout = new ByteArrayOutputStream();
        OutputStream out = new YellOnFlushAndCloseOutputStream(baout, false, true);

        CopyUtils.copy(str, out);
        //Note: this method *does* flush. It is equivalent to:
        //  OutputStreamWriter _out = new OutputStreamWriter(fout);
        //  IOUtils.copy( str, _out, 4096 ); // copy( Reader, Writer, int );
        //  _out.flush();
        //  out = fout;
        // note: we don't flush here; this IOUtils method does it for us

        assertEquals("Sizes differ", inData.length, baout.size());
        assertTrue("Content differs", Arrays.equals(inData, baout.toByteArray()));
    }
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    }

    public void testCopy_stringToWriter() throws Exception {
        String str = new String(inData, "US-ASCII");

        ByteArrayOutputStream baout = new ByteArrayOutputStream();
        OutputStream out = new YellOnFlushAndCloseOutputStream(baout, false, true);
        Writer writer = new java.io.OutputStreamWriter(out, "US-ASCII");

        CopyUtils.copy(str, writer);
        writer.flush();

        assertEquals("Sizes differ", inData.length, baout.size());
        assertTrue("Content differs", Arrays.equals(inData, baout.toByteArray()));
    }
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    // Tests
    // ----------------------------------------------------------------

    //-----------------------------------------------------------------------
    public void testWrite_byteArrayToOutputStream() throws Exception {
        ByteArrayOutputStream baout = new ByteArrayOutputStream();
        YellOnFlushAndCloseOutputStream out = new YellOnFlushAndCloseOutputStream(baout, true, true);
       
        IOUtils.write(inData, out);
        out.off();
        out.flush();

        assertEquals("Sizes differ", inData.length, baout.size());
        assertTrue("Content differs", Arrays.equals(inData, baout.toByteArray()));
    }
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        assertEquals("Sizes differ", inData.length, baout.size());
        assertTrue("Content differs", Arrays.equals(inData, baout.toByteArray()));
    }

    public void testWrite_byteArrayToOutputStream_nullData() throws Exception {
        ByteArrayOutputStream baout = new ByteArrayOutputStream();
        YellOnFlushAndCloseOutputStream out = new YellOnFlushAndCloseOutputStream(baout, true, true);
       
        IOUtils.write((byte[]) null, out);
        out.off();
        out.flush();

        assertEquals("Sizes differ", 0, baout.size());
    }
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        } catch (NullPointerException ex) {}
    }

    //-----------------------------------------------------------------------
    public void testWrite_byteArrayToWriter() throws Exception {
        ByteArrayOutputStream baout = new ByteArrayOutputStream();
        YellOnFlushAndCloseOutputStream out = new YellOnFlushAndCloseOutputStream(baout, true, true);
        Writer writer = new OutputStreamWriter(baout, "US-ASCII");
       
        IOUtils.write(inData, writer);
        out.off();
        writer.flush();

        assertEquals("Sizes differ", inData.length, baout.size());
        assertTrue("Content differs", Arrays.equals(inData, baout.toByteArray()));
    }
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        assertEquals("Sizes differ", inData.length, baout.size());
        assertTrue("Content differs", Arrays.equals(inData, baout.toByteArray()));
    }

    public void testWrite_byteArrayToWriter_nullData() throws Exception {
        ByteArrayOutputStream baout = new ByteArrayOutputStream();
        YellOnFlushAndCloseOutputStream out = new YellOnFlushAndCloseOutputStream(baout, true, true);
        Writer writer = new OutputStreamWriter(baout, "US-ASCII");
       
        IOUtils.write((byte[]) null, writer);
        out.off();
        writer.flush();

        assertEquals("Sizes differ", 0, baout.size());
    }
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        } catch (NullPointerException ex) {}
    }

    //-----------------------------------------------------------------------
    public void testWrite_byteArrayToWriter_Encoding() throws Exception {
        ByteArrayOutputStream baout = new ByteArrayOutputStream();
        YellOnFlushAndCloseOutputStream out = new YellOnFlushAndCloseOutputStream(baout, true, true);
        Writer writer = new OutputStreamWriter(baout, "US-ASCII");
       
        IOUtils.write(inData, writer, "UTF8");
        out.off();
        writer.flush();

        byte[] bytes = baout.toByteArray();
        bytes = new String(bytes, "UTF8").getBytes("US-ASCII");
        assertTrue("Content differs", Arrays.equals(inData, bytes));
    }
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        bytes = new String(bytes, "UTF8").getBytes("US-ASCII");
        assertTrue("Content differs", Arrays.equals(inData, bytes));
    }

    public void testWrite_byteArrayToWriter_Encoding_nullData() throws Exception {
        ByteArrayOutputStream baout = new ByteArrayOutputStream();
        YellOnFlushAndCloseOutputStream out = new YellOnFlushAndCloseOutputStream(baout, true, true);
        Writer writer = new OutputStreamWriter(baout, "US-ASCII");
       
        IOUtils.write((byte[]) null, writer, "UTF8");
        out.off();
        writer.flush();

        assertEquals("Sizes differ", 0, baout.size());
    }
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            fail();
        } catch (NullPointerException ex) {}
    }

    public void testWrite_byteArrayToWriter_Encoding_nullEncoding() throws Exception {
        ByteArrayOutputStream baout = new ByteArrayOutputStream();
        YellOnFlushAndCloseOutputStream out = new YellOnFlushAndCloseOutputStream(baout, true, true);
        Writer writer = new OutputStreamWriter(baout, "US-ASCII");
       
        IOUtils.write(inData, writer, null);
        out.off();
        writer.flush();
       
        assertEquals("Sizes differ", inData.length, baout.size());
        assertTrue("Content differs", Arrays.equals(inData, baout.toByteArray()));
    }
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    }
    //-----------------------------------------------------------------------
    public void testWrite_charSequenceToOutputStream() throws Exception {
        CharSequence csq = new StringBuilder(new String(inData, "US-ASCII"));
       
        ByteArrayOutputStream baout = new ByteArrayOutputStream();
        YellOnFlushAndCloseOutputStream out = new YellOnFlushAndCloseOutputStream(baout, true, true);
       
        IOUtils.write(csq, out);
        out.off();
        out.flush();
       
        assertEquals("Sizes differ", inData.length, baout.size());
        assertTrue("Content differs", Arrays.equals(inData, baout.toByteArray()));
    }
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