nanocoat/tests/testStreamWriteSingle.c

   1 /* -*- Mode: C; indent-tabs-mode: t; tab-width: 4 -*-
   2 // ---------------------------------------------------------------------------
   3 // SquirrelJME
   4 //     Copyright (C) Stephanie Gawroriski <xer@multiphasicapps.net>
   5 // ---------------------------------------------------------------------------
   6 // SquirrelJME is under the Mozilla Public License Version 2.0.
   7 // See license.mkd for licensing and copyright information.
   8 // -------------------------------------------------------------------------*/
   9
  10 #include <string.h>
  11
  12 #include "mock.h"
  13 #include "proto.h"
  14 #include "test.h"
  15 #include "unit.h"
  16 #include "sjme/stream.h"
  17
  18 /**
  19  * Tests writing a single byte to the output.
  20  *
  21  * @since 2024/01/09
  22  */
  23 SJME_TEST_DECLARE(testStreamWriteSingle)
  24 {
  25         sjme_stream_output stream;
  26         sjme_jubyte value;
  27
  28         /* Clear output first. */
  29         memset(&value, 0, sizeof(value));
  30
  31         /* Setup output stream. */
  32         stream = NULL;
  33         if (sjme_error_is(sjme_stream_outputOpenMemory(test->pool,
  34                 &stream, &value, 1)) || stream == NULL)
  35                 return sjme_unit_fail(test, "Could not open output stream.");
  36
  37         /* Write single value. */
  38         if (sjme_error_is(sjme_stream_outputWriteSingle(stream,
  39                 123)))
  40                 return sjme_unit_fail(test, "Could not write output value.");
  41
  42         /* The write count should be the buffer size. */
  43         sjme_unit_equalI(test,
  44                 1, stream->totalWritten,
  45                 "Number of written bytes incorrect?");
  46
  47         /* Was this value written? */
  48         sjme_unit_equalI(test, 123, value,
  49                 "Value was not written?");
  50
  51         /* Close stream. */
  52         if (sjme_error_is(sjme_closeable_close(
  53                 SJME_AS_CLOSEABLE(stream))))
  54                 return sjme_unit_fail(test, "Could not close output stream.");
  55
  56         /* Success! */
  57         return SJME_TEST_RESULT_PASS;
  58 }