source: src/tests/references.c @ f53836b

ADTaaron-thesisarm-ehast-experimentalcleanup-dtorsdeferred_resndemanglerenumforall-pointer-decayjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-exprnew-envno_listpersistent-indexerpthread-emulationqualifiedEnumresolv-newwith_gc
Last change on this file since f53836b was 12536d3, checked in by Rob Schluntz <rschlunt@…>, 6 years ago

Update references test to include tests for generated constructors

  • Property mode set to 100644
File size: 2.3 KB
Line 
1//
2// Cforall Version 1.0.0 Copyright (C) 2017 University of Waterloo
3//
4// The contents of this file are covered under the licence agreement in the
5// file "LICENCE" distributed with Cforall.
6//
7// references.c --
8//
9// Author           : Rob Schluntz
10// Created On       : Wed Aug 23 16:11:50 2017
11// Last Modified By : Rob Schluntz
12// Last Modified On : Wed Aug 23 16:12:03
13// Update Count     : 2
14//
15
16struct Y { int i; };
17void ?{}(Y & y) { printf("Default constructing a Y\n"); }
18void ?{}(Y & y, Y other) { printf("Copy constructing a Y\n"); }
19void ^?{}(Y & y) { printf("Destructing a Y\n"); }
20Y ?=?(Y & y, Y other) { printf("Assigning a Y\n"); return y; }
21void ?{}(Y & y, int i) { printf("Value constructing a Y %d\n", i); y.i = i; }
22
23struct X { Y & r; Y y; };
24void ?{}(X & x) {
25        // ensure that r is not implicitly constructed
26}
27void ?{}(X & x, X other) {
28        // ensure that r is not implicitly constructed
29}
30void ^?{}(X & x) {
31        // ensure that r is not implicitly destructed
32}
33X ?=?(X & x, X other) { return x; }
34
35// ensure that generated functions do not implicitly operate on references
36struct Z { Y & r; Y y; };
37
38// test user-defined reference-returning function
39int & toref( int * p ) { return *p; }
40// test user-defined reference-parameter function
41int * toptr( int & r ) { return &r; }
42
43void changeRef( int & r ) {
44        r++;
45}
46
47int main() {
48        int x = 123456, *p1 = &x, **p2 = &p1, ***p3 = &p2,
49                &r1 = x,    &&r2 = r1,   &&&r3 = r2;
50        ***p3 = 3;                          // change x
51        **p3 = &x;                          // change p1
52        *p3 = &p1;                          // change p2
53        int y = 0, z = 11, & ar[3] = { x, y, z };    // initialize array of references
54
55        // test that basic reference properties are true - r1 should be an alias for x
56        printf("%d %d %d\n", x, r1, &x == &r1);
57        r1 = 12;
58        printf("%d %d %d\n", x, r1, &x == &r1);
59
60        // test that functions using basic references work
61        printf("%d %d %d %d\n", toref(&x), toref(p1), toptr(r1) == toptr(x), toptr(r1) == &x);
62
63        changeRef( x );
64        changeRef( y );
65        changeRef( z );
66        printf("%d %d %d\n", x, y, z);
67        changeRef( r1 );
68        printf("%d %d\n", r1, x);
69
70        // test that reference members are not implicitly constructed/destructed/assigned
71        X x1, x2 = x1;
72        x1 = x2;
73
74        Z z1, z2 = z1;
75        Y z1r = 56, z2r = 78;
76        &z1.r = &z1r;
77        &z2.r = &z2r;
78        z1 = z2;
79}
80
81// Local Variables: //
82// tab-width: 4 //
83// End: //
84
Note: See TracBrowser for help on using the repository browser.