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// Copyright 2011 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 build

import (
        "runtime"
        "testing"
)

var (
        thisOS    = runtime.GOOS
        thisArch  = runtime.GOARCH
        otherOS   = anotherOS()
        otherArch = anotherArch()
)

func anotherOS() string {
        if thisOS != "darwin" {
                return "darwin"
        }
        return "linux"
}

func anotherArch() string {
        if thisArch != "amd64" {
                return "amd64"
        }
        return "386"
}

type GoodFileTest struct {
        name   string
        result bool
}

var tests = []GoodFileTest{
        {"file.go", true},
        {"file.c", true},
        {"file_foo.go", true},
        {"file_" + thisArch + ".go", true},
        {"file_" + otherArch + ".go", false},
        {"file_" + thisOS + ".go", true},
        {"file_" + otherOS + ".go", false},
        {"file_" + thisOS + "_" + thisArch + ".go", true},
        {"file_" + otherOS + "_" + thisArch + ".go", false},
        {"file_" + thisOS + "_" + otherArch + ".go", false},
        {"file_" + otherOS + "_" + otherArch + ".go", false},
        {"file_foo_" + thisArch + ".go", true},
        {"file_foo_" + otherArch + ".go", false},
        {"file_" + thisOS + ".c", true},
        {"file_" + otherOS + ".c", false},
}

func TestGoodOSArch(t *testing.T) {
        for _, test := range tests {
                if DefaultContext.goodOSArchFile(test.name) != test.result {
                        t.Fatalf("goodOSArchFile(%q) != %v", test.name, test.result)
                }
        }
}