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// Copyright 2023 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 constraint
import (
"fmt"
"testing"
)
var tests = []struct {
in string
out int
}{
{"//go:build linux && go1.60", 60},
{"//go:build ignore && go1.60", 60},
{"//go:build ignore || go1.60", -1},
{"//go:build go1.50 || (ignore && go1.60)", 50},
{"// +build go1.60,linux", 60},
{"// +build go1.60 linux", -1},
{"//go:build go1.50 && !go1.60", 50},
{"//go:build !go1.60", -1},
{"//go:build linux && go1.50 || darwin && go1.60", 50},
{"//go:build linux && go1.50 || !(!darwin || !go1.60)", 50},
}
func TestGoVersion(t *testing.T) {
for _, tt := range tests {
x, err := Parse(tt.in)
if err != nil {
t.Fatal(err)
}
v := GoVersion(x)
want := ""
if tt.out == 0 {
want = "go1"
} else if tt.out > 0 {
want = fmt.Sprintf("go1.%d", tt.out)
}
if v != want {
t.Errorf("GoVersion(%q) = %q, want %q, nil", tt.in, v, want)
}
}
}