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// $G $D/$F.go && $L $F.$A && ./$A.out

// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package main

const (
        R = 5
        I = 6i

        C1 = R + I // ADD(5,6)
)

func main() {
        var b bool

        // constants
        b = (5 + 6i) == C1
        if !b {
                println("const bool 1", b)
                panic("fail")
        }

        b = (5 + 6i) != C1
        if b {
                println("const bool 2", b)
                panic("fail")
        }

        b = C1 == (5 + 6i)
        if !b {
                println("const bool 3", b)
                panic("fail")
        }

        b = C1 != (5 + 6i)
        if b {
                println("const bool 4", b)
                panic("fail")
        }

        // vars passed through parameters
        booltest(5+6i, true)
        booltest(5+7i, false)
        booltest(6+6i, false)
        booltest(6+9i, false)
}

func booltest(a complex64, r bool) {
        var b bool

        b = a == C1
        if b != r {
                println("param bool 1", a, b, r)
                panic("fail")
        }

        b = a != C1
        if b == r {
                println("param bool 2", a, b, r)
                panic("fail")
        }

        b = C1 == a
        if b != r {
                println("param bool 3", a, b, r)
                panic("fail")
        }

        b = C1 != a
        if b == r {
                println("param bool 4", a, b, r)
                panic("fail")
        }

        if r {
                if a != C1 {
                        println("param bool 5", a, b, r)
                        panic("fail")
                }
                if C1 != a {
                        println("param bool 6", a, b, r)
                        panic("fail")
                }
        } else {
                if a == C1 {
                        println("param bool 6", a, b, r)
                        panic("fail")
                }
                if C1 == a {
                        println("param bool 7", a, b, r)
                        panic("fail")
                }
        }
}