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1 //================================================================= |
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2 // |
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3 // abs.c |
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4 // |
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5 // Testcase for C library abs() |
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6 // |
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7 //================================================================= |
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8 //####COPYRIGHTBEGIN#### |
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9 // |
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10 // ------------------------------------------- |
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11 // The contents of this file are subject to the Cygnus eCos Public License |
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12 // Version 1.0 (the "License"); you may not use this file except in |
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13 // compliance with the License. You may obtain a copy of the License at |
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14 // http://sourceware.cygnus.com/ecos |
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15 // |
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16 // Software distributed under the License is distributed on an "AS IS" |
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17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the |
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18 // License for the specific language governing rights and limitations under |
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19 // the License. |
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20 // |
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21 // The Original Code is eCos - Embedded Cygnus Operating System, released |
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22 // September 30, 1998. |
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23 // |
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24 // The Initial Developer of the Original Code is Cygnus. Portions created |
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25 // by Cygnus are Copyright (C) 1998 Cygnus Solutions. All Rights Reserved. |
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26 // ------------------------------------------- |
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27 // |
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28 //####COPYRIGHTEND#### |
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29 //================================================================= |
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30 //#####DESCRIPTIONBEGIN#### |
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31 // |
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32 // Author(s): ctarpy@cygnus.co.uk, jlarmour@cygnus.co.uk |
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33 // Contributors: jlarmour@cygnus.co.uk |
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34 // Date: 1998/6/3 |
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35 // Description: Contains testcode for C library abs() function |
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36 // |
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37 // |
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38 //####DESCRIPTIONEND#### |
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39 |
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40 // Declarations for test system: |
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41 // |
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42 // TESTCASE_TYPE=CYG_TEST_MODULE |
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43 // COMPOUND_TESTCASE |
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44 |
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45 // CONFIGURATION |
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46 |
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47 #include <pkgconf/libc.h> // Configuration header |
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48 |
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49 // INCLUDES |
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50 |
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51 #include <stdlib.h> |
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52 #include <limits.h> |
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53 #include <cyg/infra/testcase.h> |
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54 #include <sys/cstartup.h> // C library initialisation |
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55 |
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56 // FUNCTIONS |
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57 |
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58 externC void |
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59 cyg_package_start( void ) |
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60 { |
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61 #ifdef CYGPKG_LIBC |
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62 cyg_iso_c_start(); |
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63 #else |
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64 (void)main(0, NULL); |
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65 #endif |
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66 } // cyg_package_start() |
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67 |
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68 |
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69 int |
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70 main( int argc, char *argv[] ) |
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71 { |
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72 #ifdef CYGPKG_LIBC |
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73 int x; |
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74 #endif |
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75 |
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76 CYG_TEST_INIT(); |
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77 |
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78 CYG_TEST_INFO("Starting tests from testcase " __FILE__ " for C " |
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79 "library abs() function"); |
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80 |
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81 #ifdef CYGPKG_LIBC |
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82 // Check 1 |
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83 x = 5; |
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84 CYG_TEST_PASS_FAIL( abs(x) == 5, "abs(5)"); |
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85 |
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86 // Check 2 |
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87 x = -5; |
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88 CYG_TEST_PASS_FAIL( abs(x) == 5, "abs(-5)"); |
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89 |
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90 // Check 3 |
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91 x = 12345; |
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92 CYG_TEST_PASS_FAIL( abs(x) == 12345, "abs(12345)"); |
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93 |
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94 // Check 4 |
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95 x = -23456; |
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96 CYG_TEST_PASS_FAIL( abs(x) == 23456, "abs(-23456"); |
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97 |
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98 // Check 5 |
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99 x = 0; |
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100 CYG_TEST_PASS_FAIL( abs(x) == 0, "abs(0)"); |
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101 |
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102 // Check 6 |
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103 x = INT_MAX; |
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104 CYG_TEST_PASS_FAIL( abs(x) == INT_MAX, "abs(INT_MAX)"); |
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105 |
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106 // Check 7 |
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107 x = -INT_MAX; |
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108 CYG_TEST_PASS_FAIL( abs(x) == INT_MAX, "abs(-INT_MAX)"); |
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109 |
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110 #else // ifndef CYGPKG_LIBC |
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111 CYG_TEST_PASS("Testing is not applicable to this configuration"); |
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112 #endif // ifndef CYGPKG_LIBC |
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113 |
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114 CYG_TEST_FINISH("Finished tests from testcase " __FILE__ " for C " |
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115 "library abs() function"); |
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116 |
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117 } // main() |
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118 |
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119 // EOF abs.c |
