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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [go.test/] [test/] [fixedbugs/] [bug284.go] - Blame information for rev 858

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Line No. Rev Author Line
1 700 jeremybenn 
// errchk $G -e $D/$F.go
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// Copyright 2010 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Test cases for revised conversion rules.
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package main
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func main() {
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        type NewInt int
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        i0 := 0
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        var i1 int = 1
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        var i2 NewInt = 1
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        i0 = i0
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        i0 = i1
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        i0 = int(i2)
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        i1 = i0
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        i1 = i1
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        i1 = int(i2)
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        i2 = NewInt(i0)
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        i2 = NewInt(i1)
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        i2 = i2
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        type A1 [3]int
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        type A2 [3]NewInt
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        var a0 [3]int
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        var a1 A1
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        var a2 A2
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        a0 = a0
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        a0 = a1
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        a0 = [3]int(a2) // ERROR "cannot|invalid"
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        a1 = a0
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        a1 = a1
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        a1 = A1(a2) // ERROR "cannot|invalid"
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        a2 = A2(a0) // ERROR "cannot|invalid"
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        a2 = A2(a1) // ERROR "cannot|invalid"
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        a2 = a2
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        type S1 struct {
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                x int
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        }
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        type S2 struct {
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                x NewInt
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        }
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        var s0 struct {
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                x int
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        }
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        var s1 S1
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        var s2 S2
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        s0 = s0
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        s0 = s1
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        s0 = struct {
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                x int
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        }(s2) // ERROR "cannot|invalid"
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        s1 = s0
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        s1 = s1
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        s1 = S1(s2) // ERROR "cannot|invalid"
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        s2 = S2(s0) // ERROR "cannot|invalid"
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        s2 = S2(s1) // ERROR "cannot|invalid"
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        s2 = s2
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        type P1 *int
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        type P2 *NewInt
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        var p0 *int
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        var p1 P1
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        var p2 P2
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        p0 = p0
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        p0 = p1
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        p0 = (*int)(p2) // ERROR "cannot|invalid"
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        p1 = p0
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        p1 = p1
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        p1 = P1(p2) // ERROR "cannot|invalid"
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        p2 = P2(p0) // ERROR "cannot|invalid"
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        p2 = P2(p1) // ERROR "cannot|invalid"
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        p2 = p2
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        type Q1 *struct {
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                x int
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        }
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        type Q2 *S1
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        var q0 *struct {
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                x int
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        }
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        var q1 Q1
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        var q2 Q2
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        var ps1 *S1
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        q0 = q0
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        q0 = q1
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        q0 = (*struct {
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                x int
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        })(ps1) // legal because of special conversion exception for pointers
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        q0 = (*struct {
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                x int
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        })(q2) // ERROR "cannot|invalid"
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        q1 = q0
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        q1 = q1
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        q1 = Q1(q2)    // ERROR "cannot|invalid"
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        q2 = (*S1)(q0) // legal because of special conversion exception for pointers
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        q2 = Q2(q1)    // ERROR "cannot|invalid"
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        q2 = q2
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        type F1 func(x NewInt) int
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        type F2 func(x int) NewInt
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        var f0 func(x NewInt) int
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        var f1 F1
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        var f2 F2
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        f0 = f0
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        f0 = f1
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        f0 = func(x NewInt) int(f2) // ERROR "cannot|invalid"
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        f1 = f0
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        f1 = f1
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        f1 = F1(f2) // ERROR "cannot|invalid"
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        f2 = F2(f0) // ERROR "cannot|invalid"
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        f2 = F2(f1) // ERROR "cannot|invalid"
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        f2 = f2
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        type X1 interface {
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                f() int
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        }
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        type X2 interface {
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                f() NewInt
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        }
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        var x0 interface {
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                f() int
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        }
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        var x1 X1
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        var x2 X2
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        x0 = x0
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        x0 = x1
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        x0 = interface {
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                f() int
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        }(x2) // ERROR "cannot|need type assertion|incompatible"
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        x1 = x0
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        x1 = x1
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        x1 = X1(x2) // ERROR "cannot|need type assertion|incompatible"
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        x2 = X2(x0) // ERROR "cannot|need type assertion|incompatible"
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        x2 = X2(x1) // ERROR "cannot|need type assertion|incompatible"
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        x2 = x2
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        type L1 []int
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        type L2 []NewInt
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        var l0 []int
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        var l1 L1
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        var l2 L2
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        l0 = l0
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        l0 = l1
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        l0 = []int(l2) // ERROR "cannot|invalid"
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        l1 = l0
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        l1 = l1
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        l1 = L1(l2) // ERROR "cannot|invalid"
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        l2 = L2(l0) // ERROR "cannot|invalid"
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        l2 = L2(l1) // ERROR "cannot|invalid"
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        l2 = l2
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        type M1 map[string]int
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        type M2 map[string]NewInt
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        var m0 []int
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        var m1 L1
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        var m2 L2
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        m0 = m0
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        m0 = m1
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        m0 = []int(m2) // ERROR "cannot|invalid"
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        m1 = m0
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        m1 = m1
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        m1 = L1(m2) // ERROR "cannot|invalid"
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        m2 = L2(m0) // ERROR "cannot|invalid"
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        m2 = L2(m1) // ERROR "cannot|invalid"
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        m2 = m2
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        type C1 chan int
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        type C2 chan NewInt
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        var c0 chan int
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        var c1 C1
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        var c2 C2
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        c0 = c0
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        c0 = c1
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        c0 = chan int(c2) // ERROR "cannot|invalid"
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        c1 = c0
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        c1 = c1
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        c1 = C1(c2) // ERROR "cannot|invalid"
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        c2 = C2(c0) // ERROR "cannot|invalid"
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        c2 = C2(c1) // ERROR "cannot|invalid"
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        c2 = c2
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        // internal compiler error (6g and gccgo)
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        type T interface{}
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        var _ T = 17 // assignment compatible
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        _ = T(17)    // internal compiler error even though assignment compatible
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}

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