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6ff16fe3ee
Preparation step for types2 package. Change-Id: I8f9557b1a48ad570ba38aac7b720e639218dc6a7 Reviewed-on: https://go-review.googlesource.com/c/go/+/263623 Trust: Robert Griesemer <gri@golang.org> Run-TryBot: Robert Griesemer <gri@golang.org> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Matthew Dempsky <mdempsky@google.com>
45 lines
1.3 KiB
Go
45 lines
1.3 KiB
Go
// Copyright 2020 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 syntax
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import (
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"fmt"
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"strings"
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"testing"
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)
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func TestErrorMap(t *testing.T) {
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const src = `/* ERROR 0:0 */ /* ERROR "0:0" */ // ERROR 0:0
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// ERROR "0:0"
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x /* ERROR 3:1 */ // ignore automatically inserted semicolon here
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/* ERROR 3:1 */ // position of x on previous line
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x /* ERROR 5:4 */ ; // do not ignore this semicolon
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/* ERROR 5:22 */ // position of ; on previous line
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package /* ERROR 7:2 */ // indented with tab
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import /* ERROR 8:9 */ // indented with blanks
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`
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m := ErrorMap(strings.NewReader(src))
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got := 0 // number of errors found
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for line, errlist := range m {
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for _, err := range errlist {
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if err.Pos.Line() != line {
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t.Errorf("%v: got map line %d; want %d", err, err.Pos.Line(), line)
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continue
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}
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// err.Pos.Line() == line
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msg := fmt.Sprintf("%d:%d", line, err.Pos.Col())
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if err.Msg != msg {
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t.Errorf("%v: got msg %q; want %q", err, err.Msg, msg)
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continue
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}
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}
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got += len(errlist)
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}
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want := strings.Count(src, "ERROR")
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if got != want {
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t.Errorf("ErrorMap got %d errors; want %d", got, want)
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}
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}
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