1// errorcheck
2
3// Copyright 2009 The Go Authors. All rights reserved.
4// Use of this source code is governed by a BSD-style
5// license that can be found in the LICENSE file.
6
7package main
8
9const (
10	c3div2 = 3/2;
11	f3div2 = 3./2.;
12)
13
14func assert(t bool, s string) {
15	if !t {
16		panic(s)
17	}
18}
19
20func main() {
21	var i int;
22	var f float64;
23
24	assert(c3div2 == 1, "3/2");
25	assert(f3div2 == 1.5, "3/2");
26
27	i = c3div2;
28	assert(i == c3div2, "i == c3div2");
29
30	f = c3div2;
31	assert(f == c3div2, "f == c3div2");
32
33	f = f3div2;
34	assert(f == f3div2, "f == f3div2");
35
36	i = f3div2;	// ERROR "truncate"
37	assert(i == c3div2, "i == c3div2 from f3div2");
38	assert(i != f3div2, "i != f3div2");	// ERROR "truncate"
39
40	const g float64 = 1.0;
41	i = g;  // ERROR "convert|incompatible|cannot"
42
43	const h float64 = 3.14;
44	i = h;  // ERROR "convert|incompatible|cannot"
45	i = int(h);	// ERROR "truncate|cannot convert"
46}
47