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// Copyright 2020 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 modload_test
import (
"testing"
"cmd/go/internal/modload"
)
func TestReqsMax(t *testing.T) {
type testCase struct {
a, b, want string
}
reqs := modload.Reqs()
for _, tc := range []testCase{
{a: "v0.1.0", b: "v0.2.0", want: "v0.2.0"},
{a: "v0.2.0", b: "v0.1.0", want: "v0.2.0"},
{a: "", b: "v0.1.0", want: ""}, // "" is Target.Version
{a: "v0.1.0", b: "", want: ""},
{a: "none", b: "v0.1.0", want: "v0.1.0"},
{a: "v0.1.0", b: "none", want: "v0.1.0"},
{a: "none", b: "", want: ""},
{a: "", b: "none", want: ""},
} {
max := reqs.Max(tc.a, tc.b)
if max != tc.want {
t.Errorf("Reqs().Max(%q, %q) = %q; want %q", tc.a, tc.b, max, tc.want)
}
}
}
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