1-- C45210A.ADA
2
3--                             Grant of Unlimited Rights
4--
5--     Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
6--     F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
7--     unlimited rights in the software and documentation contained herein.
8--     Unlimited rights are defined in DFAR 252.227-7013(a)(19).  By making
9--     this public release, the Government intends to confer upon all
10--     recipients unlimited rights  equal to those held by the Government.
11--     These rights include rights to use, duplicate, release or disclose the
12--     released technical data and computer software in whole or in part, in
13--     any manner and for any purpose whatsoever, and to have or permit others
14--     to do so.
15--
16--                                    DISCLAIMER
17--
18--     ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
19--     DISCLOSED ARE AS IS.  THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
20--     WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
21--     SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
22--     OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
23--     PARTICULAR PURPOSE OF SAID MATERIAL.
24--*
25-- CHECK THAT AN ENUMERATION IMPOSING AN "UNNATURAL" ORDER ON ALPHABETIC
26--    CHARACTERS CORRECTLY EVALUATES THE ORDERING OPERATORS.
27
28
29-- RM    15 OCTOBER 1980
30-- JWC 7/8/85   RENAMED TO -AB
31
32
33WITH  REPORT ;
34PROCEDURE  C45210A  IS
35
36     USE REPORT;
37
38     TYPE  T  IS  ( 'S' , 'P' , 'M' , 'R' );
39
40     MVAR  : T := T'('M') ;
41     PVAR  : T := T'('P') ;
42     RVAR  : T := T'('R') ;
43     SVAR  : T := T'('S') ;
44
45     ERROR_COUNT : INTEGER := 0 ;   -- INITIAL VALUE ESSENTIAL
46
47     PROCEDURE  BUMP  IS
48     BEGIN
49          ERROR_COUNT := ERROR_COUNT +1 ;
50     END BUMP ;
51
52
53BEGIN
54
55     TEST( "C45210A" , "CHECK THAT AN ENUMERATION IMPOSING" &
56                       " AN ""UNNATURAL"" ORDER ON ALPHABETIC" &
57                       " CHARACTERS  CORRECTLY EVALUATES THE " &
58                       " ORDERING OPERATORS" ) ;
59
60     -- 256 CASES ( 4 * 4  ORDERED PAIRS OF OPERAND VALUES,
61     --               4    ORDERING OPERATORS: '<' , '<=' , '>' , '>='
62     --                         (IN THE TABLE:  A  ,  B   ,  C  ,  D   )
63     --               4    VARIABLE/LITERAL FOR LEFT OPERAND,
64     --                    VARIABLE/LITERAL FOR RIGHT OPERAND,
65     --                         (IN THE TABLE:  VV = ALPHA ,
66     --                                         VL = BETA  ,
67     --                                         LV = GAMMA ,
68     --                                         LL = DELTA  ) RANDOMIZED
69     --    INTO 16 (ONE FOR EACH PAIR OF VALUES) ACCORDING TO THE FOL-
70     --    LOWING GRAECO-LATIN SQUARE (WITH ADDITIONAL PROPERTIES):
71
72     --               RIGHT OPERAND:    'S'      'P'      'M'      'R'
73     --         LEFT
74     --       OPERAND:
75
76     --         'S'                   A-ALPHA  B-BETA   C-GAMMA  D-DELTA
77     --         'P'                   C-DELTA  D-GAMMA  A-BETA   B-ALPHA
78     --         'M'                   D-BETA   C-ALPHA  B-DELTA  A-GAMMA
79     --         'R'                   B-GAMMA  A-DELTA  D-ALPHA  C-BETA
80
81     --    (BOTH THE LATIN DIAGONAL AND THE GREEK DIAGONAL CONTAIN 4
82     --    DISTINCT LETTERS, NON-TRIVIALLY PERMUTED.)
83
84     -- THE ABOVE DESCRIBES  PART 1  OF THE TEST.  PART 2  PERFORMS AN
85     --    EXHAUSTIVE VERIFICATION OF THE 'VARIABLE VS. VARIABLE' CASE
86     --    ( VV , ALPHA ) FOR ALL 4 OPERATORS.
87
88    -----------------------------------------------------------------
89
90     -- PART 1
91
92     --  'BUMP'  MEANS  'BUMP THE ERROR COUNT'
93
94     IF  T'(SVAR) <  T'(SVAR)  THEN  BUMP ;               END IF;
95     IF  T'(SVAR) <= T'('P' )  THEN  NULL;  ELSE  BUMP ;  END IF;
96     IF  T'('S' ) >  T'(MVAR)  THEN  BUMP ;               END IF;
97     IF  T'('S' ) >= T'('R' )  THEN  BUMP ;               END IF;
98
99     IF  T'('P' ) >  T'('S' )  THEN  NULL;  ELSE  BUMP ;  END IF;
100     IF  T'('P' ) >= T'(PVAR)  THEN  NULL;  ELSE  BUMP ;  END IF;
101     IF  T'(PVAR) <  T'('M' )  THEN  NULL;  ELSE  BUMP ;  END IF;
102     IF  T'(PVAR) <= T'(RVAR)  THEN  NULL;  ELSE  BUMP ;  END IF;
103
104     IF  T'(MVAR) >= T'('S' )  THEN  NULL;  ELSE  BUMP ;  END IF;
105     IF  T'(MVAR) >  T'(PVAR)  THEN  NULL;  ELSE  BUMP ;  END IF;
106     IF  T'('M' ) <= T'('M' )  THEN  NULL;  ELSE  BUMP ;  END IF;
107     IF  T'('M' ) <  T'(RVAR)  THEN  NULL;  ELSE  BUMP ;  END IF;
108
109     IF  T'('R' ) <= T'(SVAR)  THEN  BUMP ;               END IF;
110     IF  T'('R' ) <  T'('P' )  THEN  BUMP ;               END IF;
111     IF  T'(RVAR) >= T'(MVAR)  THEN  NULL;  ELSE  BUMP ;  END IF;
112     IF  T'(RVAR) >  T'('R' )  THEN  BUMP ;               END IF;
113
114
115     IF  ERROR_COUNT /= 0  THEN
116          FAILED( """UNNATURAL"" ORDER ON CHARACTER TYPES - FAILURE1" );
117     END IF;
118
119    -----------------------------------------------------------------
120
121     -- PART 2
122
123     -- 'BUMP'  MEANS  'INCREASE THE COUNT FOR THE NUMBER OF <TRUE>S'
124
125     ERROR_COUNT := 0 ;
126
127     FOR  AVAR IN  T'FIRST..T'LAST  LOOP           -- 4 VALUES
128          FOR  BVAR  IN  T'FIRST..T'('P')  LOOP    -- 2 VALUES
129
130               IF  AVAR <  BVAR  THEN  BUMP ;  END IF;   -- COUNT +:=  1
131
132          END LOOP;
133     END LOOP;
134
135     IF  ERROR_COUNT /= 1  THEN   -- THIS IS A PLAIN COUNT, NOT AN
136                                   --    ERROR COUNT
137          FAILED( """UNNATURAL"" ORDER ON CHARACTER TYPES - FAILURE2" );
138     END IF;
139
140
141     ERROR_COUNT := 0 ;
142
143     FOR  AVAR IN  T'FIRST..T'LAST  LOOP           -- 4 VALUES
144          FOR  BVAR  IN  T'FIRST..T'('P')  LOOP    -- 2 VALUES
145
146               IF  AVAR <= BVAR  THEN  BUMP ;  END IF;   -- COUNT +:=  3
147
148          END LOOP;
149     END LOOP;
150
151     IF  ERROR_COUNT /= 3  THEN   -- THIS IS A PLAIN COUNT, NOT AN
152                                   --    ERROR COUNT
153          FAILED( """UNNATURAL"" ORDER ON CHARACTER TYPES - FAILURE3" );
154     END IF;
155
156
157     ERROR_COUNT := 0 ;
158
159     FOR  AVAR IN  T'FIRST..T'LAST  LOOP           -- 4 VALUES
160          FOR  BVAR  IN  T'FIRST..T'('P')  LOOP    -- 2 VALUES
161
162               IF  AVAR >  BVAR  THEN  BUMP ;  END IF;   -- COUNT +:=  5
163
164          END LOOP;
165     END LOOP;
166
167     IF  ERROR_COUNT /= 5  THEN   -- THIS IS A PLAIN COUNT, NOT AN
168                                   --    ERROR COUNT
169          FAILED( """UNNATURAL"" ORDER ON CHARACTER TYPES - FAILURE4" );
170     END IF;
171
172
173     ERROR_COUNT := 0 ;
174
175     FOR  AVAR IN  T'FIRST..T'LAST  LOOP           -- 4 VALUES
176          FOR  BVAR  IN  T'FIRST..T'('P')  LOOP    -- 2 VALUES
177
178               IF  AVAR >= BVAR  THEN  BUMP ;  END IF;   -- COUNT +:=  7
179
180          END LOOP;
181     END LOOP;
182
183     IF  ERROR_COUNT /= 7  THEN   -- THIS IS A PLAIN COUNT, NOT AN
184                                   --    ERROR COUNT
185          FAILED( """UNNATURAL"" ORDER ON CHARACTER TYPES - FAILURE5" );
186     END IF;
187
188
189     RESULT;
190
191END C45210A;
192