ff5f50c52c
Update to current version of Go library. Update testsuite for removed types. * go-lang.c (go_langhook_init): Omit float_type_size when calling go_create_gogo. * go-c.h: Update declaration of go_create_gogo. From-SVN: r169098
352 lines
8.0 KiB
Go
352 lines
8.0 KiB
Go
// Copyright 2009 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 datafmt
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import (
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"fmt"
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"testing"
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"go/token"
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)
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var fset = token.NewFileSet()
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func parse(t *testing.T, form string, fmap FormatterMap) Format {
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f, err := Parse(fset, "", []byte(form), fmap)
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if err != nil {
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t.Errorf("Parse(%s): %v", form, err)
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return nil
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}
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return f
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}
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func verify(t *testing.T, f Format, expected string, args ...interface{}) {
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if f == nil {
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return // allow other tests to run
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}
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result := f.Sprint(args...)
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if result != expected {
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t.Errorf(
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"result : `%s`\nexpected: `%s`\n\n",
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result, expected)
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}
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}
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func formatter(s *State, value interface{}, rule_name string) bool {
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switch rule_name {
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case "/":
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fmt.Fprintf(s, "%d %d %d", s.Pos().Line, s.LinePos().Column, s.Pos().Column)
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return true
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case "blank":
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s.Write([]byte{' '})
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return true
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case "int":
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if value.(int)&1 == 0 {
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fmt.Fprint(s, "even ")
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} else {
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fmt.Fprint(s, "odd ")
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}
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return true
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case "nil":
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return false
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case "testing.T":
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s.Write([]byte("testing.T"))
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return true
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}
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panic("unreachable")
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return false
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}
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func TestCustomFormatters(t *testing.T) {
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fmap0 := FormatterMap{"/": formatter}
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fmap1 := FormatterMap{"int": formatter, "blank": formatter, "nil": formatter}
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fmap2 := FormatterMap{"testing.T": formatter}
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f := parse(t, `int=`, fmap0)
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verify(t, f, ``, 1, 2, 3)
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f = parse(t, `int="#"`, nil)
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verify(t, f, `###`, 1, 2, 3)
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f = parse(t, `int="#";string="%s"`, fmap0)
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verify(t, f, "#1 0 1#1 0 7#1 0 13\n2 0 0foo2 0 8\n", 1, 2, 3, "\n", "foo", "\n")
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f = parse(t, ``, fmap1)
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verify(t, f, `even odd even odd `, 0, 1, 2, 3)
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f = parse(t, `/ =@:blank; float64="#"`, fmap1)
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verify(t, f, `# # #`, 0.0, 1.0, 2.0)
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f = parse(t, `float64=@:nil`, fmap1)
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verify(t, f, ``, 0.0, 1.0, 2.0)
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f = parse(t, `testing "testing"; ptr=*`, fmap2)
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verify(t, f, `testing.T`, t)
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// TODO needs more tests
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}
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// ----------------------------------------------------------------------------
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// Formatting of basic and simple composite types
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func check(t *testing.T, form, expected string, args ...interface{}) {
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f := parse(t, form, nil)
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if f == nil {
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return // allow other tests to run
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}
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result := f.Sprint(args...)
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if result != expected {
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t.Errorf(
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"format : %s\nresult : `%s`\nexpected: `%s`\n\n",
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form, result, expected)
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}
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}
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func TestBasicTypes(t *testing.T) {
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check(t, ``, ``)
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check(t, `bool=":%v"`, `:true:false`, true, false)
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check(t, `int="%b %d %o 0x%x"`, `101010 42 52 0x2a`, 42)
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check(t, `int="%"`, `%`, 42)
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check(t, `int="%%"`, `%`, 42)
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check(t, `int="**%%**"`, `**%**`, 42)
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check(t, `int="%%%%%%"`, `%%%`, 42)
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check(t, `int="%%%d%%"`, `%42%`, 42)
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const i = -42
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const is = `-42`
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check(t, `int ="%d"`, is, i)
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check(t, `int8 ="%d"`, is, int8(i))
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check(t, `int16="%d"`, is, int16(i))
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check(t, `int32="%d"`, is, int32(i))
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check(t, `int64="%d"`, is, int64(i))
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const u = 42
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const us = `42`
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check(t, `uint ="%d"`, us, uint(u))
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check(t, `uint8 ="%d"`, us, uint8(u))
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check(t, `uint16="%d"`, us, uint16(u))
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check(t, `uint32="%d"`, us, uint32(u))
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check(t, `uint64="%d"`, us, uint64(u))
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const f = 3.141592
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const fs = `3.141592`
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check(t, `float64="%g"`, fs, f)
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check(t, `float32="%g"`, fs, float32(f))
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check(t, `float64="%g"`, fs, float64(f))
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}
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func TestArrayTypes(t *testing.T) {
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var a0 [10]int
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check(t, `array="array";`, `array`, a0)
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a1 := [...]int{1, 2, 3}
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check(t, `array="array";`, `array`, a1)
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check(t, `array={*}; int="%d";`, `123`, a1)
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check(t, `array={* / ", "}; int="%d";`, `1, 2, 3`, a1)
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check(t, `array={* / *}; int="%d";`, `12233`, a1)
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a2 := []interface{}{42, "foo", 3.14}
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check(t, `array={* / ", "}; interface=*; string="bar"; default="%v";`, `42, bar, 3.14`, a2)
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}
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func TestChanTypes(t *testing.T) {
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var c0 chan int
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check(t, `chan="chan"`, `chan`, c0)
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c1 := make(chan int)
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go func() { c1 <- 42 }()
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check(t, `chan="chan"`, `chan`, c1)
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// check(t, `chan=*`, `42`, c1); // reflection support for chans incomplete
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}
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func TestFuncTypes(t *testing.T) {
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var f0 func() int
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check(t, `func="func"`, `func`, f0)
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f1 := func() int { return 42 }
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check(t, `func="func"`, `func`, f1)
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// check(t, `func=*`, `42`, f1); // reflection support for funcs incomplete
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}
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func TestMapTypes(t *testing.T) {
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var m0 map[string]int
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check(t, `map="map"`, `map`, m0)
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m1 := map[string]int{}
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check(t, `map="map"`, `map`, m1)
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// check(t, `map=*`, ``, m1); // reflection support for maps incomplete
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}
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func TestPointerTypes(t *testing.T) {
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var p0 *int
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check(t, `ptr="ptr"`, `ptr`, p0)
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check(t, `ptr=*`, ``, p0)
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check(t, `ptr=*|"nil"`, `nil`, p0)
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x := 99991
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p1 := &x
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check(t, `ptr="ptr"`, `ptr`, p1)
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check(t, `ptr=*; int="%d"`, `99991`, p1)
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}
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func TestDefaultRule(t *testing.T) {
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check(t, `default="%v"`, `42foo3.14`, 42, "foo", 3.14)
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check(t, `default="%v"; int="%x"`, `abcdef`, 10, 11, 12, 13, 14, 15)
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check(t, `default="%v"; int="%x"`, `ab**ef`, 10, 11, "**", 14, 15)
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check(t, `default="%x"; int=@:default`, `abcdef`, 10, 11, 12, 13, 14, 15)
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}
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func TestGlobalSeparatorRule(t *testing.T) {
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check(t, `int="%d"; / ="-"`, `1-2-3-4`, 1, 2, 3, 4)
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check(t, `int="%x%x"; / ="*"`, `aa*aa`, 10, 10)
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}
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// ----------------------------------------------------------------------------
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// Formatting of a struct
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type T1 struct {
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a int
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}
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const F1 = `datafmt "datafmt";` +
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`int = "%d";` +
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`datafmt.T1 = "<" a ">";`
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func TestStruct1(t *testing.T) { check(t, F1, "<42>", T1{42}) }
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// ----------------------------------------------------------------------------
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// Formatting of a struct with an optional field (ptr)
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type T2 struct {
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s string
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p *T1
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}
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const F2a = F1 +
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`string = "%s";` +
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`ptr = *;` +
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`datafmt.T2 = s ["-" p "-"];`
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const F2b = F1 +
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`string = "%s";` +
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`ptr = *;` +
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`datafmt.T2 = s ("-" p "-" | "empty");`
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func TestStruct2(t *testing.T) {
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check(t, F2a, "foo", T2{"foo", nil})
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check(t, F2a, "bar-<17>-", T2{"bar", &T1{17}})
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check(t, F2b, "fooempty", T2{"foo", nil})
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}
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// ----------------------------------------------------------------------------
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// Formatting of a struct with a repetitive field (slice)
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type T3 struct {
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s string
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a []int
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}
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const F3a = `datafmt "datafmt";` +
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`default = "%v";` +
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`array = *;` +
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`datafmt.T3 = s {" " a a / ","};`
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const F3b = `datafmt "datafmt";` +
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`int = "%d";` +
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`string = "%s";` +
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`array = *;` +
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`nil = ;` +
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`empty = *:nil;` +
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`datafmt.T3 = s [a:empty ": " {a / "-"}]`
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func TestStruct3(t *testing.T) {
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check(t, F3a, "foo", T3{"foo", nil})
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check(t, F3a, "foo 00, 11, 22", T3{"foo", []int{0, 1, 2}})
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check(t, F3b, "bar", T3{"bar", nil})
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check(t, F3b, "bal: 2-3-5", T3{"bal", []int{2, 3, 5}})
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}
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// ----------------------------------------------------------------------------
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// Formatting of a struct with alternative field
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type T4 struct {
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x *int
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a []int
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}
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const F4a = `datafmt "datafmt";` +
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`int = "%d";` +
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`ptr = *;` +
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`array = *;` +
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`nil = ;` +
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`empty = *:nil;` +
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`datafmt.T4 = "<" (x:empty x | "-") ">" `
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const F4b = `datafmt "datafmt";` +
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`int = "%d";` +
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`ptr = *;` +
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`array = *;` +
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`nil = ;` +
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`empty = *:nil;` +
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`datafmt.T4 = "<" (a:empty {a / ", "} | "-") ">" `
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func TestStruct4(t *testing.T) {
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x := 7
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check(t, F4a, "<->", T4{nil, nil})
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check(t, F4a, "<7>", T4{&x, nil})
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check(t, F4b, "<->", T4{nil, nil})
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check(t, F4b, "<2, 3, 7>", T4{nil, []int{2, 3, 7}})
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}
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// ----------------------------------------------------------------------------
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// Formatting a struct (documentation example)
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type Point struct {
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name string
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x, y int
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}
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const FPoint = `datafmt "datafmt";` +
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`int = "%d";` +
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`hexInt = "0x%x";` +
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`string = "---%s---";` +
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`datafmt.Point = name "{" x ", " y:hexInt "}";`
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func TestStructPoint(t *testing.T) {
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p := Point{"foo", 3, 15}
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check(t, FPoint, "---foo---{3, 0xf}", p)
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}
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// ----------------------------------------------------------------------------
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// Formatting a slice (documentation example)
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const FSlice = `int = "%b";` +
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`array = { * / ", " }`
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func TestSlice(t *testing.T) { check(t, FSlice, "10, 11, 101, 111", []int{2, 3, 5, 7}) }
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// TODO add more tests
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