// Copyright 2025 The Dawn & Tint Authors
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package oswrapper_test

import (
	"testing"

	"dawn.googlesource.com/dawn/tools/src/oswrapper"
	"github.com/stretchr/testify/require"
)

// Tests for functions which are meant to be used internally in FSTestOSWrapper
// rather than being part of the public OSWrapper interface.

func TestFSTestOSWrapper_CleanPath(t *testing.T) {
	tests := []struct {
		name     string
		path     string
		expected string
	}{
		{"Unix path", "/a/b/c", "a/b/c"},
		{"Windows path", "C:\\a\\b\\c", "C:/a/b/c"},
		{"Mixed path", "/a\\b/c", "a/b/c"},
		{"Redundant slashes", "/a//b/../c", "a/c"},
		{"Empty path", "", "."},
		{"Root path", "/", "."},
		{"Dot path", ".", "."},
	}

	for _, tc := range tests {
		t.Run(tc.name, func(t *testing.T) {
			wrapper := oswrapper.CreateFSTestOSWrapper()
			cleaned := wrapper.CleanPath(tc.path)
			require.Equal(t, tc.expected, cleaned)
		})
	}
}