mirror of
https://github.com/golang/go
synced 2024-09-30 16:18:35 -06:00
b40df0fb21
This implements a standard way of describing source locations along with printing and parsing of those locations and conversion to and from the token.Pos forms. Change-Id: Ibb3df0a282bc2effb0fa8bd3a51bb0d281b2ffb1 Reviewed-on: https://go-review.googlesource.com/c/tools/+/163778 Run-TryBot: Ian Cottrell <iancottrell@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Rebecca Stambler <rstambler@golang.org>
70 lines
1.6 KiB
Go
70 lines
1.6 KiB
Go
// Copyright 2018 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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"testing"
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"golang.org/x/tools/internal/span"
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)
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var testdata = []struct {
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uri string
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content []byte
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}{
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{"/a.go", []byte(`
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// file a.go
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package test
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`)},
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{"/b.go", []byte(`
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//
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//
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// file b.go
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package test
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`)},
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}
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var tokenTests = []span.Span{
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{span.FileURI("/a.go"), span.Point{}, span.Point{}},
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{span.FileURI("/a.go"), span.Point{3, 7, 20}, span.Point{3, 7, 20}},
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{span.FileURI("/b.go"), span.Point{4, 9, 15}, span.Point{4, 13, 19}},
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}
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func TestToken(t *testing.T) {
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fset := token.NewFileSet()
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files := map[span.URI]*token.File{}
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for _, f := range testdata {
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file := fset.AddFile(f.uri, -1, len(f.content))
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file.SetLinesForContent(f.content)
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files[span.FileURI(f.uri)] = file
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}
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for _, test := range tokenTests {
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f := files[test.URI]
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c := span.NewTokenConverter(fset, f)
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checkToken(t, c, span.Span{
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URI: test.URI,
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Start: span.Point{Line: test.Start.Line, Column: test.Start.Column},
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End: span.Point{Line: test.End.Line, Column: test.End.Column},
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}, test)
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checkToken(t, c, span.Span{
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URI: test.URI,
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Start: span.Point{Offset: test.Start.Offset},
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End: span.Point{Offset: test.End.Offset},
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}, test)
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}
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}
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func checkToken(t *testing.T, c *span.TokenConverter, in, expect span.Span) {
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rng := in.Range(c)
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gotLoc := rng.Span()
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expected := fmt.Sprintf("%+v", expect)
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got := fmt.Sprintf("%+v", gotLoc)
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if expected != got {
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t.Errorf("Expected %q got %q", expected, got)
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}
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}
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