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authorupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
committerupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
commit554fd8c5195424bdbcabf5de30fdc183aba391bd (patch)
tree976dc5ab7fddf506dadce60ae936f43f58787092 /gcc/testsuite/ada/acats/tests/c8/c87b44a.ada
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+-- C87B44A.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.
+--*
+-- CHECK THAT OVERLOADING RESOLUTION USES THE RULE THAT:
+--
+-- THE TYPE OF THE EXPRESSION IN A RETURN STATEMENT MUST MATCH THE
+-- EXPLICIT TYPEMARK IN THE RETURN CLAUSE OF THE FUNCTION'S
+-- SPECIFICATION.
+--
+-- THE FOUR KINDS OF EXPRESSIONS TESTED HERE ARE:
+--
+-- (A): A CALL TO AN OVERLOADED FUNCTION.
+-- (B): AN OVERLOADED OPERATOR SYMBOL.
+-- (C): AN OVERLOADED (INFIX) OPERATOR.
+-- (D): AN OVERLOADED ENUMERATION LITERAL.
+
+-- TRH 25 JUNE 82
+
+WITH REPORT; USE REPORT;
+
+PROCEDURE C87B44A IS
+
+ TYPE WHOLE IS NEW INTEGER RANGE 0..INTEGER'LAST;
+ TYPE CITRUS IS (LEMON, LIME, ORANGE);
+ TYPE HUE IS (RED, ORANGE, YELLOW);
+
+ FUNCTION F1 (X, Y : INTEGER) RETURN INTEGER IS
+ BEGIN
+ RETURN -1;
+ END F1;
+
+ FUNCTION "*" (X, Y : WHOLE) RETURN WHOLE IS
+ BEGIN
+ RETURN 0;
+ END "*";
+
+ FUNCTION "*" (X, Y : INTEGER) RETURN HUE IS
+ BEGIN
+ RETURN ORANGE;
+ END "*";
+
+ FUNCTION F1 (X, Y : INTEGER) RETURN CITRUS IS
+ BEGIN
+ RETURN ORANGE;
+ END F1;
+
+BEGIN
+ TEST ("C87B44A","OVERLOADED EXPRESSIONS IN RETURN STATEMENTS");
+ DECLARE
+
+ FUNCTION F2 (X, Y : INTEGER) RETURN INTEGER IS
+ BEGIN
+ RETURN F1 (X, Y);
+ END F2;
+
+ FUNCTION F2 (X, Y : WHOLE) RETURN WHOLE IS
+ BEGIN
+ RETURN "*" (X, Y);
+ END F2;
+
+ FUNCTION F2 (X, Y : INTEGER) RETURN HUE IS
+ BEGIN
+ RETURN (X * Y);
+ END F2;
+
+ FUNCTION F2 (X, Y : INTEGER) RETURN CITRUS IS
+ BEGIN
+ RETURN ORANGE;
+ END F2;
+
+
+ BEGIN
+ IF INTEGER'(F2 (0, 0)) /= -1 THEN
+ FAILED ("(A): RESOLUTION INCORRECT - FUNCTION CALL");
+ END IF;
+
+ IF WHOLE'(F2 (0, 0)) /= 0 THEN
+ FAILED ("(B): RESOLUTION INCORRECT - OPERATOR SYMBOL");
+ END IF;
+
+ IF HUE'POS (F2 (0, 0)) /= 1 THEN
+ FAILED ("(C): RESOLUTION INCORRECT - INFIX OPERATOR");
+ END IF;
+
+ IF CITRUS'POS (F2 (0, 0)) /= 2 THEN
+ FAILED ("(D): RESOLUTION INCORRECT - ENUMERATION LITERAL");
+ END IF;
+ END;
+
+ RESULT;
+END C87B44A;