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+-- C34006L.ADA
+
+-- Grant of Unlimited Rights
+--
+-- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
+-- F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
+-- unlimited rights in the software and documentation contained herein.
+-- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making
+-- this public release, the Government intends to confer upon all
+-- recipients unlimited rights equal to those held by the Government.
+-- These rights include rights to use, duplicate, release or disclose the
+-- released technical data and computer software in whole or in part, in
+-- any manner and for any purpose whatsoever, and to have or permit others
+-- to do so.
+--
+-- DISCLAIMER
+--
+-- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
+-- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
+-- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
+-- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
+-- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
+-- PARTICULAR PURPOSE OF SAID MATERIAL.
+--*
+-- OBJECTIVE:
+-- FOR DERIVED RECORD TYPES WITH DISCRIMINANTS AND WITH A LIMITED
+-- COMPONENT TYPE:
+
+-- CHECK THAT ALL VALUES OF THE PARENT (BASE) TYPE ARE PRESENT
+-- FOR THE DERIVED (BASE) TYPE WHEN THE DERIVED TYPE DEFINITION
+-- IS CONSTRAINED.
+
+-- CHECK THAT ANY CONSTRAINT IMPOSED ON THE PARENT SUBTYPE IS
+-- ALSO IMPOSED ON THE DERIVED SUBTYPE.
+
+-- HISTORY:
+-- JRK 08/26/87 CREATED ORIGINAL TEST.
+
+WITH REPORT; USE REPORT;
+
+PROCEDURE C34006L IS
+
+ PACKAGE PKG_L IS
+
+ TYPE LP IS LIMITED PRIVATE;
+
+ FUNCTION CREATE (X : INTEGER) RETURN LP;
+
+ FUNCTION EQUAL (X, Y : LP) RETURN BOOLEAN;
+
+ PROCEDURE ASSIGN (X : OUT LP; Y : LP);
+
+ C2 : CONSTANT LP;
+ C4 : CONSTANT LP;
+ C5 : CONSTANT LP;
+ C6 : CONSTANT LP;
+
+ PRIVATE
+
+ TYPE LP IS NEW INTEGER;
+
+ C2 : CONSTANT LP := 2;
+ C4 : CONSTANT LP := 4;
+ C5 : CONSTANT LP := 5;
+ C6 : CONSTANT LP := 6;
+
+ END PKG_L;
+
+ USE PKG_L;
+
+ SUBTYPE COMPONENT IS LP;
+
+ PACKAGE PKG_P IS
+
+ MAX_LEN : CONSTANT := 10;
+
+ SUBTYPE LENGTH IS NATURAL RANGE 0 .. MAX_LEN;
+
+ TYPE PARENT (B : BOOLEAN := TRUE; L : LENGTH := 3) IS
+ RECORD
+ I : INTEGER := 2;
+ CASE B IS
+ WHEN TRUE =>
+ S : STRING (1 .. L) := (1 .. L => 'A');
+ C : COMPONENT;
+ WHEN FALSE =>
+ F : FLOAT := 5.0;
+ END CASE;
+ END RECORD;
+
+ FUNCTION CREATE ( B : BOOLEAN;
+ L : LENGTH;
+ I : INTEGER;
+ S : STRING;
+ C : COMPONENT;
+ F : FLOAT;
+ X : PARENT -- TO RESOLVE OVERLOADING.
+ ) RETURN PARENT;
+
+ FUNCTION EQUAL (X, Y : PARENT) RETURN BOOLEAN;
+
+ FUNCTION AGGR ( B : BOOLEAN;
+ L : LENGTH;
+ I : INTEGER;
+ S : STRING;
+ C : COMPONENT
+ ) RETURN PARENT;
+
+ FUNCTION AGGR ( B : BOOLEAN;
+ L : LENGTH;
+ I : INTEGER;
+ F : FLOAT
+ ) RETURN PARENT;
+
+ END PKG_P;
+
+ USE PKG_P;
+
+ TYPE T IS NEW PARENT (IDENT_BOOL (TRUE), IDENT_INT (3));
+
+ SUBTYPE SUBPARENT IS PARENT (TRUE, 3);
+
+ TYPE S IS NEW SUBPARENT;
+
+ X : T;
+ Y : S;
+
+ PACKAGE BODY PKG_L IS
+
+ FUNCTION CREATE (X : INTEGER) RETURN LP IS
+ BEGIN
+ RETURN LP (IDENT_INT (X));
+ END CREATE;
+
+ FUNCTION EQUAL (X, Y : LP) RETURN BOOLEAN IS
+ BEGIN
+ RETURN X = Y;
+ END EQUAL;
+
+ PROCEDURE ASSIGN (X : OUT LP; Y : LP) IS
+ BEGIN
+ X := Y;
+ END ASSIGN;
+
+ END PKG_L;
+
+ PACKAGE BODY PKG_P IS
+
+ FUNCTION CREATE
+ ( B : BOOLEAN;
+ L : LENGTH;
+ I : INTEGER;
+ S : STRING;
+ C : COMPONENT;
+ F : FLOAT;
+ X : PARENT
+ ) RETURN PARENT
+ IS
+ A : PARENT (B, L);
+ BEGIN
+ A.I := I;
+ CASE B IS
+ WHEN TRUE =>
+ A.S := S;
+ ASSIGN (A.C, C);
+ WHEN FALSE =>
+ A.F := F;
+ END CASE;
+ RETURN A;
+ END CREATE;
+
+ FUNCTION EQUAL (X, Y : PARENT) RETURN BOOLEAN IS
+ BEGIN
+ IF X.B /= Y.B OR X.L /= Y.L OR X.I /= Y.I THEN
+ RETURN FALSE;
+ END IF;
+ CASE X.B IS
+ WHEN TRUE =>
+ RETURN X.S = Y.S AND EQUAL (X.C, Y.C);
+ WHEN FALSE =>
+ RETURN X.F = Y.F;
+ END CASE;
+ END EQUAL;
+
+ FUNCTION AGGR
+ ( B : BOOLEAN;
+ L : LENGTH;
+ I : INTEGER;
+ S : STRING;
+ C : COMPONENT
+ ) RETURN PARENT
+ IS
+ RESULT : PARENT (B, L);
+ BEGIN
+ RESULT.I := I;
+ RESULT.S := S;
+ ASSIGN (RESULT.C, C);
+ RETURN RESULT;
+ END AGGR;
+
+ FUNCTION AGGR
+ ( B : BOOLEAN;
+ L : LENGTH;
+ I : INTEGER;
+ F : FLOAT
+ ) RETURN PARENT
+ IS
+ RESULT : PARENT (B, L);
+ BEGIN
+ RESULT.I := I;
+ RESULT.F := F;
+ RETURN RESULT;
+ END AGGR;
+
+ END PKG_P;
+
+ PROCEDURE ASSIGN (X : IN OUT T; Y : T) IS
+ BEGIN
+ X.I := Y.I;
+ X.S := Y.S;
+ ASSIGN (X.C, Y.C);
+ END ASSIGN;
+
+ PROCEDURE ASSIGN (X : IN OUT S; Y : S) IS
+ BEGIN
+ X.I := Y.I;
+ X.S := Y.S;
+ ASSIGN (X.C, Y.C);
+ END ASSIGN;
+
+BEGIN
+ TEST ("C34006L", "CHECK THAT ALL VALUES OF THE PARENT (BASE) " &
+ "TYPE ARE PRESENT FOR THE DERIVED (BASE) TYPE " &
+ "WHEN THE DERIVED TYPE DEFINITION IS " &
+ "CONSTRAINED. ALSO CHECK THAT ANY CONSTRAINT " &
+ "IMPOSED ON THE PARENT SUBTYPE IS ALSO IMPOSED " &
+ "ON THE DERIVED SUBTYPE. CHECK FOR DERIVED " &
+ "RECORD TYPES WITH DISCRIMINANTS AND WITH A " &
+ "LIMITED COMPONENT TYPE");
+
+ ASSIGN (X.C, CREATE (2));
+ ASSIGN (Y.C, C2);
+
+ -- CHECK THAT BASE TYPE VALUES NOT IN THE SUBTYPE ARE PRESENT.
+
+ IF NOT EQUAL (CREATE (FALSE, 2, 3, "ZZ", C5, 6.0, X),
+ AGGR (FALSE, 2, 3, 6.0)) OR
+ NOT EQUAL (CREATE (FALSE, 2, 3, "ZZ", C5, 6.0, Y),
+ AGGR (FALSE, 2, 3, 6.0)) THEN
+ FAILED ("CAN'T CREATE BASE TYPE VALUES OUTSIDE THE SUBTYPE");
+ END IF;
+
+ IF CREATE (FALSE, 2, 3, "ZZ", C5, 6.0, X) IN T OR
+ CREATE (FALSE, 2, 3, "ZZ", C5, 6.0, Y) IN S THEN
+ FAILED ("INCORRECT ""IN""");
+ END IF;
+
+ -- CHECK THE DERIVED SUBTYPE CONSTRAINT.
+
+ IF X.B /= TRUE OR X.L /= 3 OR
+ Y.B /= TRUE OR Y.L /= 3 THEN
+ FAILED ("INCORRECT SELECTION OF DISCRIMINANT VALUES");
+ END IF;
+
+ IF NOT X'CONSTRAINED OR NOT Y'CONSTRAINED THEN
+ FAILED ("INCORRECT 'CONSTRAINED");
+ END IF;
+
+ BEGIN
+ ASSIGN (X, AGGR (TRUE, 3, 1, "ABC", C4));
+ ASSIGN (Y, AGGR (TRUE, 3, 1, "ABC", C4));
+ IF NOT EQUAL (PARENT (X), PARENT (Y)) THEN -- USE X AND Y.
+ FAILED ("INCORRECT CONVERSION TO PARENT");
+ END IF;
+ EXCEPTION
+ WHEN OTHERS =>
+ FAILED ("EXCEPTION RAISED BY OK ASSIGN CALL");
+ END;
+
+ BEGIN
+ ASSIGN (X, AGGR (FALSE, 3, 2, 6.0));
+ FAILED ("CONSTRAINT_ERROR NOT RAISED -- " &
+ "ASSIGN (X, AGGR (FALSE, 3, 2, 6.0))");
+ IF EQUAL (X, AGGR (FALSE, 3, 2, 6.0)) THEN -- USE X.
+ COMMENT ("X ALTERED -- " &
+ "ASSIGN (X, AGGR (FALSE, 3, 2, 6.0))");
+ END IF;
+ EXCEPTION
+ WHEN CONSTRAINT_ERROR =>
+ NULL;
+ WHEN OTHERS =>
+ FAILED ("WRONG EXCEPTION RAISED -- " &
+ "ASSIGN (X, AGGR (FALSE, 3, 2, 6.0))");
+ END;
+
+ BEGIN
+ ASSIGN (X, AGGR (TRUE, 4, 2, "ZZZZ", C6));
+ FAILED ("CONSTRAINT_ERROR NOT RAISED -- " &
+ "ASSIGN (X, AGGR (TRUE, 4, 2, ""ZZZZ"", C6))");
+ IF EQUAL (X, AGGR (TRUE, 4, 2, "ZZZZ", C6)) THEN -- USE X.
+ COMMENT ("X ALTERED -- " &
+ "ASSIGN (X, AGGR (TRUE, 4, 2, ""ZZZZ"", C6))");
+ END IF;
+ EXCEPTION
+ WHEN CONSTRAINT_ERROR =>
+ NULL;
+ WHEN OTHERS =>
+ FAILED ("WRONG EXCEPTION RAISED -- " &
+ "ASSIGN (X, AGGR (TRUE, 4, 2, ""ZZZZ"", C6))");
+ END;
+
+ BEGIN
+ ASSIGN (Y, AGGR (FALSE, 3, 2, 6.0));
+ FAILED ("CONSTRAINT_ERROR NOT RAISED -- " &
+ "ASSIGN (Y, AGGR (FALSE, 3, 2, 6.0))");
+ IF EQUAL (Y, AGGR (FALSE, 3, 2, 6.0)) THEN -- USE Y.
+ COMMENT ("Y ALTERED -- " &
+ "ASSIGN (Y, AGGR (FALSE, 3, 2, 6.0))");
+ END IF;
+ EXCEPTION
+ WHEN CONSTRAINT_ERROR =>
+ NULL;
+ WHEN OTHERS =>
+ FAILED ("WRONG EXCEPTION RAISED -- " &
+ "ASSIGN (Y, AGGR (FALSE, 3, 2, 6.0))");
+ END;
+
+ BEGIN
+ ASSIGN (Y, AGGR (TRUE, 4, 2, "ZZZZ", C6));
+ FAILED ("CONSTRAINT_ERROR NOT RAISED -- " &
+ "ASSIGN (Y, AGGR (TRUE, 4, 2, ""ZZZZ"", C6))");
+ IF EQUAL (Y, AGGR (TRUE, 4, 2, "ZZZZ", C6)) THEN -- USE Y.
+ COMMENT ("Y ALTERED -- " &
+ "ASSIGN (Y, AGGR (TRUE, 4, 2, ""ZZZZ"", C6))");
+ END IF;
+ EXCEPTION
+ WHEN CONSTRAINT_ERROR =>
+ NULL;
+ WHEN OTHERS =>
+ FAILED ("WRONG EXCEPTION RAISED -- " &
+ "ASSIGN (Y, AGGR (TRUE, 4, 2, ""ZZZZ"", C6))");
+ END;
+
+ RESULT;
+END C34006L;
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