mirror of https://github.com/golang/go.git
58 lines
1.4 KiB
Go
58 lines
1.4 KiB
Go
// Copyright 2022 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 lsppos_test
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import (
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"go/token"
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"testing"
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. "golang.org/x/tools/internal/lsp/lsppos"
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"golang.org/x/tools/internal/lsp/protocol"
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)
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func makeTokenMapper(content []byte) (*TokenMapper, *token.File) {
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file := token.NewFileSet().AddFile("p.go", -1, len(content))
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file.SetLinesForContent(content)
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return NewTokenMapper(content, file), file
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}
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func TestInvalidPosition(t *testing.T) {
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content := []byte("a𐐀b\r\nx\ny")
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m, _ := makeTokenMapper(content)
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for _, pos := range []token.Pos{-1, 100} {
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posn, ok := m.Position(pos)
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if ok {
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t.Errorf("Position(%d) = %v, want error", pos, posn)
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}
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}
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}
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func TestTokenPosition(t *testing.T) {
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for _, test := range tests {
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m, f := makeTokenMapper([]byte(test.content))
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pos := token.Pos(f.Base() + test.offset())
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got, ok := m.Position(pos)
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if !ok {
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t.Error("invalid position for", test.substrOrOffset)
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continue
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}
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want := protocol.Position{Line: uint32(test.wantLine), Character: uint32(test.wantChar)}
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if got != want {
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t.Errorf("Position(%d) = %v, want %v", pos, got, want)
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}
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gotRange, err := m.Range(token.Pos(f.Base()), pos)
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if err != nil {
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t.Fatal(err)
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}
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wantRange := protocol.Range{
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End: want,
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}
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if gotRange != wantRange {
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t.Errorf("Range(%d) = %v, want %v", pos, got, want)
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}
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}
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}
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