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f3b56de4d2
This will only become user-visible if error messages show column information. Per the discussion in #10324. For #10324. Change-Id: I5959c1655aba74bb1a22fdc261cd728ffcfa6912 Reviewed-on: https://go-review.googlesource.com/34244 Run-TryBot: Robert Griesemer <gri@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Matthew Dempsky <mdempsky@google.com>
88 lines
2.6 KiB
Go
88 lines
2.6 KiB
Go
// Copyright 2016 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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"testing"
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)
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func TestPos(t *testing.T) {
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f0 := NewFileBase("")
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f1 := NewFileBase("f1")
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f2 := NewLinePragmaBase(Pos{}, "f2", 10)
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f3 := NewLinePragmaBase(MakePos(f1, 10, 1), "f3", 100)
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f4 := NewLinePragmaBase(MakePos(f3, 10, 1), "f4", 100)
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for _, test := range []struct {
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pos Pos
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string string
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// absolute info
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filename string
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line, col uint
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// relative info
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relFilename string
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relLine uint
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}{
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{Pos{}, ":0:0", "", 0, 0, "", 0},
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{MakePos(nil, 2, 3), ":2:3", "", 2, 3, "", 2},
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{MakePos(f0, 2, 3), ":2:3", "", 2, 3, "", 2},
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{MakePos(f1, 1, 1), "f1:1:1", "f1", 1, 1, "f1", 1},
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{MakePos(f2, 7, 10), "f2:16:10[:0:0]", "", 7, 10, "f2", 16},
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{MakePos(f3, 12, 7), "f3:101:7[f1:10:1]", "f1", 12, 7, "f3", 101},
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{MakePos(f4, 25, 1), "f4:114:1[f3:99:1[f1:10:1]]", "f3", 25, 1, "f4", 114}, // doesn't occur in Go code
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} {
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pos := test.pos
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if got := pos.String(); got != test.string {
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t.Errorf("%s: got %q", test.string, got)
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}
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// absolute info
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if got := pos.Filename(); got != test.filename {
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t.Errorf("%s: got filename %q; want %q", test.string, got, test.filename)
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}
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if got := pos.Line(); got != test.line {
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t.Errorf("%s: got line %d; want %d", test.string, got, test.line)
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}
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if got := pos.Col(); got != test.col {
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t.Errorf("%s: got col %d; want %d", test.string, got, test.col)
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}
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// relative info
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if got := pos.RelFilename(); got != test.relFilename {
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t.Errorf("%s: got relFilename %q; want %q", test.string, got, test.relFilename)
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}
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if got := pos.RelLine(); got != test.relLine {
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t.Errorf("%s: got relLine %d; want %d", test.string, got, test.relLine)
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}
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}
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}
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func TestLico(t *testing.T) {
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for _, test := range []struct {
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x lico
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string string
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line, col uint
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}{
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{0, ":0:0", 0, 0},
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{makeLico(0, 0), ":0:0", 0, 0},
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{makeLico(0, 1), ":0:1", 0, 1},
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{makeLico(1, 0), ":1:0", 1, 0},
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{makeLico(1, 1), ":1:1", 1, 1},
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{makeLico(2, 3), ":2:3", 2, 3},
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{makeLico(lineMax, 1), fmt.Sprintf(":%d:1", lineMax), lineMax, 1},
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{makeLico(lineMax+1, 1), fmt.Sprintf(":%d:1", lineMax), lineMax, 1}, // line too large, stick with max. line
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{makeLico(1, colMax), ":1", 1, colMax},
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{makeLico(1, colMax+1), ":1", 1, 0}, // column too large
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{makeLico(lineMax+1, colMax+1), fmt.Sprintf(":%d", lineMax), lineMax, 0},
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} {
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x := test.x
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if got := posString("", x.Line(), x.Col()); got != test.string {
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t.Errorf("%s: got %q", test.string, got)
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}
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}
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}
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