// Copyright 2025 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 analysisinternal

import "testing"

func TestCanImport(t *testing.T) {
	for _, tt := range []struct {
		from string
		to   string
		want bool
	}{
		{"fmt", "internal", true},
		{"fmt", "internal/foo", true},
		{"a.com/b", "internal", false},
		{"a.com/b", "xinternal", true},
		{"a.com/b", "internal/foo", false},
		{"a.com/b", "xinternal/foo", true},
		{"a.com/b", "a.com/internal", true},
		{"a.com/b", "a.com/b/internal", true},
		{"a.com/b", "a.com/b/internal/foo", true},
		{"a.com/b", "a.com/c/internal", false},
		{"a.com/b", "a.com/c/xinternal", true},
		{"a.com/b", "a.com/c/internal/foo", false},
		{"a.com/b", "a.com/c/xinternal/foo", true},
	} {
		got := CanImport(tt.from, tt.to)
		if got != tt.want {
			t.Errorf("CanImport(%q, %q) = %v, want %v", tt.from, tt.to, got, tt.want)
		}
	}
}