mirror of https://github.com/golang/go.git
75 lines
2.0 KiB
Go
75 lines
2.0 KiB
Go
// Copyright 2019 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package span_test
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import (
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"fmt"
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"go/token"
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"path/filepath"
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"strings"
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"testing"
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"golang.org/x/tools/internal/span"
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)
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var (
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tests = [][]string{
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{"C:/file_a", "C:/file_a", "file:///C:/file_a:1:1#0"},
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{"C:/file_b:1:2", "C:/file_b:#1", "file:///C:/file_b:1:2#1"},
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{"C:/file_c:1000", "C:/file_c:#9990", "file:///C:/file_c:1000:1#9990"},
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{"C:/file_d:14:9", "C:/file_d:#138", "file:///C:/file_d:14:9#138"},
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{"C:/file_e:1:2-7", "C:/file_e:#1-#6", "file:///C:/file_e:1:2#1-1:7#6"},
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{"C:/file_f:500-502", "C:/file_f:#4990-#5010", "file:///C:/file_f:500:1#4990-502:1#5010"},
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{"C:/file_g:3:7-8", "C:/file_g:#26-#27", "file:///C:/file_g:3:7#26-3:8#27"},
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{"C:/file_h:3:7-4:8", "C:/file_h:#26-#37", "file:///C:/file_h:3:7#26-4:8#37"},
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}
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)
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func TestFormat(t *testing.T) {
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converter := lines(10)
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for _, test := range tests {
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for ti, text := range test[:2] {
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spn := span.Parse(text)
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if ti <= 1 {
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// we can check %v produces the same as the input
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expect := toPath(test[ti])
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if got := fmt.Sprintf("%v", spn); got != expect {
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t.Errorf("printing %q got %q expected %q", text, got, expect)
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}
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}
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complete, err := spn.WithAll(converter)
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if err != nil {
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t.Error(err)
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}
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for fi, format := range []string{"%v", "%#v", "%+v"} {
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expect := toPath(test[fi])
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if got := fmt.Sprintf(format, complete); got != expect {
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t.Errorf("printing completed %q as %q got %q expected %q [%+v]", text, format, got, expect, spn)
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}
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}
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}
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}
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}
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func toPath(value string) string {
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if strings.HasPrefix(value, "file://") {
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return value
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}
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return filepath.FromSlash(value)
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}
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// lines creates a new tokenConverter for a file with 1000 lines, each width
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// bytes wide.
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func lines(width int) *token.File {
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fset := token.NewFileSet()
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f := fset.AddFile("", -1, 1000*width)
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var lines []int
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for i := 0; i < 1000; i++ {
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lines = append(lines, i*width)
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}
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f.SetLines(lines)
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return f
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}
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