nanocoat/tests/testStreamEmpty.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 "mock.h"
  11 #include "proto.h"
  12 #include "test.h"
  13 #include "unit.h"
  14
  15 /** Empty buffer. */
  16 static const sjme_jubyte emptyBuffer[1] =
  17 {
  18         'x'
  19 };
  20
  21 /**
  22  * Tests reading of an empty stream.
  23  *
  24  * @since 2023/12/31
  25  */
  26 SJME_TEST_DECLARE(testStreamEmpty)
  27 {
  28         sjme_stream_input inputStream;
  29         sjme_jint result;
  30
  31         /* Open stream. */
  32         if (sjme_error_is(sjme_stream_inputOpenMemory(test->pool,
  33                 &inputStream, emptyBuffer, 0)))
  34                 return sjme_unit_fail(test, "Could not open input stream.");
  35
  36         /* Try to read a single byte, it should indicate EOS. */
  37         result = 999;
  38         if (sjme_error_is(sjme_stream_inputReadSingle(inputStream,
  39                 &result)))
  40                 return sjme_unit_fail(test, "Could not read single byte.");
  41
  42         /* Should be EOF. */
  43         sjme_unit_equalI(test, -1, result,
  44                 "Incorrect read byte?");
  45
  46         /* Close the stream. */
  47         if (sjme_error_is(sjme_closeable_close(
  48                 SJME_AS_CLOSEABLE(inputStream))))
  49                 return sjme_unit_fail(test, "Could not close stream?");
  50
  51         /* Success! */
  52         return SJME_TEST_RESULT_PASS;
  53 }