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// Copyright 2021 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
import (
"fmt"
"reflect"
"testing"
)
var buildParserTests = []struct {
x string
matched bool
err error
}{
{"gc", true, nil},
{"gccgo", false, nil},
{"!gc", false, nil},
{"gc && gccgo", false, nil},
{"gc || gccgo", true, nil},
{"gc || (gccgo && !gccgo)", true, nil},
{"gc && (gccgo || !gccgo)", true, nil},
{"!(gc && (gccgo || !gccgo))", false, nil},
{"gccgo || gc", true, nil},
{"!(!(!(gccgo || gc)))", false, nil},
{"compiler_bootstrap", false, nil},
{"cmd_go_bootstrap", true, nil},
{"syntax(error", false, fmt.Errorf("parsing //go:build line: unexpected (")},
{"(gc", false, fmt.Errorf("parsing //go:build line: missing )")},
{"gc gc", false, fmt.Errorf("parsing //go:build line: unexpected tag")},
{"(gc))", false, fmt.Errorf("parsing //go:build line: unexpected )")},
}
func TestBuildParser(t *testing.T) {
for _, tt := range buildParserTests {
matched, err := matchexpr(tt.x)
if matched != tt.matched || !reflect.DeepEqual(err, tt.err) {
t.Errorf("matchexpr(%q) = %v, %v; want %v, %v", tt.x, matched, err, tt.matched, tt.err)
}
}
}
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