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// Copyright 2022 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.
//go:build go1.20
// +build go1.20
package settings
import "testing"
func TestFixLangVersion(t *testing.T) {
tests := []struct {
input, want string
wantErr bool
}{
{"", "", false},
{"1.18", "1.18", false},
{"v1.18", "v1.18", false},
{"1.21", "1.21", false},
{"1.21rc3", "1.21", false},
{"1.21.0", "1.21.0", false},
{"1.21.1", "1.21.1", false},
{"v1.21.1", "v1.21.1", false},
{"v1.21.0rc1", "v1.21.0", false}, // not technically valid, but we're flexible
{"v1.21.0.0", "v1.21.0", false}, // also technically invalid
{"1.1", "1.1", false},
{"v1", "v1", false},
{"1", "1", false},
{"v1.21.", "v1.21", false}, // also invalid
{"1.21.", "1.21", false},
// Error cases.
{"rc1", "", true},
{"x1.2.3", "", true},
}
for _, test := range tests {
got, err := fixLangVersion(test.input)
if test.wantErr {
if err == nil {
t.Errorf("fixLangVersion(%q) succeeded unexpectedly", test.input)
}
continue
}
if err != nil {
t.Fatalf("fixLangVersion(%q) failed: %v", test.input, err)
}
if got != test.want {
t.Errorf("fixLangVersion(%q) = %s, want %s", test.input, got, test.want)
}
}
}
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