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Unified Diff: src/pkg/exp/datafmt/datafmt_test.go

Issue 5297042: code review 5297042: [release-branch.r58] reflect: disallow Interface method... (Closed)
Patch Set: diff -r d292bc788668 https://go.googlecode.com/hg/ Created 12 years, 5 months ago
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Index: src/pkg/exp/datafmt/datafmt_test.go
===================================================================
deleted file mode 100644
--- a/src/pkg/exp/datafmt/datafmt_test.go
+++ /dev/null
@@ -1,351 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package datafmt
-
-import (
- "fmt"
- "testing"
- "go/token"
-)
-
-
-var fset = token.NewFileSet()
-
-
-func parse(t *testing.T, form string, fmap FormatterMap) Format {
- f, err := Parse(fset, "", []byte(form), fmap)
- if err != nil {
- t.Errorf("Parse(%s): %v", form, err)
- return nil
- }
- return f
-}
-
-
-func verify(t *testing.T, f Format, expected string, args ...interface{}) {
- if f == nil {
- return // allow other tests to run
- }
- result := f.Sprint(args...)
- if result != expected {
- t.Errorf(
- "result : `%s`\nexpected: `%s`\n\n",
- result, expected)
- }
-}
-
-
-func formatter(s *State, value interface{}, rule_name string) bool {
- switch rule_name {
- case "/":
- fmt.Fprintf(s, "%d %d %d", s.Pos().Line, s.LinePos().Column, s.Pos().Column)
- return true
- case "blank":
- s.Write([]byte{' '})
- return true
- case "int":
- if value.(int)&1 == 0 {
- fmt.Fprint(s, "even ")
- } else {
- fmt.Fprint(s, "odd ")
- }
- return true
- case "nil":
- return false
- case "testing.T":
- s.Write([]byte("testing.T"))
- return true
- }
- panic("unreachable")
- return false
-}
-
-
-func TestCustomFormatters(t *testing.T) {
- fmap0 := FormatterMap{"/": formatter}
- fmap1 := FormatterMap{"int": formatter, "blank": formatter, "nil": formatter}
- fmap2 := FormatterMap{"testing.T": formatter}
-
- f := parse(t, `int=`, fmap0)
- verify(t, f, ``, 1, 2, 3)
-
- f = parse(t, `int="#"`, nil)
- verify(t, f, `###`, 1, 2, 3)
-
- f = parse(t, `int="#";string="%s"`, fmap0)
- verify(t, f, "#1 0 1#1 0 7#1 0 13\n2 0 0foo2 0 8\n", 1, 2, 3, "\n", "foo", "\n")
-
- f = parse(t, ``, fmap1)
- verify(t, f, `even odd even odd `, 0, 1, 2, 3)
-
- f = parse(t, `/ =@:blank; float64="#"`, fmap1)
- verify(t, f, `# # #`, 0.0, 1.0, 2.0)
-
- f = parse(t, `float64=@:nil`, fmap1)
- verify(t, f, ``, 0.0, 1.0, 2.0)
-
- f = parse(t, `testing "testing"; ptr=*`, fmap2)
- verify(t, f, `testing.T`, t)
-
- // TODO needs more tests
-}
-
-
-// ----------------------------------------------------------------------------
-// Formatting of basic and simple composite types
-
-func check(t *testing.T, form, expected string, args ...interface{}) {
- f := parse(t, form, nil)
- if f == nil {
- return // allow other tests to run
- }
- result := f.Sprint(args...)
- if result != expected {
- t.Errorf(
- "format : %s\nresult : `%s`\nexpected: `%s`\n\n",
- form, result, expected)
- }
-}
-
-
-func TestBasicTypes(t *testing.T) {
- check(t, ``, ``)
- check(t, `bool=":%v"`, `:true:false`, true, false)
- check(t, `int="%b %d %o 0x%x"`, `101010 42 52 0x2a`, 42)
-
- check(t, `int="%"`, `%`, 42)
- check(t, `int="%%"`, `%`, 42)
- check(t, `int="**%%**"`, `**%**`, 42)
- check(t, `int="%%%%%%"`, `%%%`, 42)
- check(t, `int="%%%d%%"`, `%42%`, 42)
-
- const i = -42
- const is = `-42`
- check(t, `int ="%d"`, is, i)
- check(t, `int8 ="%d"`, is, int8(i))
- check(t, `int16="%d"`, is, int16(i))
- check(t, `int32="%d"`, is, int32(i))
- check(t, `int64="%d"`, is, int64(i))
-
- const u = 42
- const us = `42`
- check(t, `uint ="%d"`, us, uint(u))
- check(t, `uint8 ="%d"`, us, uint8(u))
- check(t, `uint16="%d"`, us, uint16(u))
- check(t, `uint32="%d"`, us, uint32(u))
- check(t, `uint64="%d"`, us, uint64(u))
-
- const f = 3.141592
- const fs = `3.141592`
- check(t, `float64="%g"`, fs, f)
- check(t, `float32="%g"`, fs, float32(f))
- check(t, `float64="%g"`, fs, float64(f))
-}
-
-
-func TestArrayTypes(t *testing.T) {
- var a0 [10]int
- check(t, `array="array";`, `array`, a0)
-
- a1 := [...]int{1, 2, 3}
- check(t, `array="array";`, `array`, a1)
- check(t, `array={*}; int="%d";`, `123`, a1)
- check(t, `array={* / ", "}; int="%d";`, `1, 2, 3`, a1)
- check(t, `array={* / *}; int="%d";`, `12233`, a1)
-
- a2 := []interface{}{42, "foo", 3.14}
- check(t, `array={* / ", "}; interface=*; string="bar"; default="%v";`, `42, bar, 3.14`, a2)
-}
-
-
-func TestChanTypes(t *testing.T) {
- var c0 chan int
- check(t, `chan="chan"`, `chan`, c0)
-
- c1 := make(chan int)
- go func() { c1 <- 42 }()
- check(t, `chan="chan"`, `chan`, c1)
- // check(t, `chan=*`, `42`, c1); // reflection support for chans incomplete
-}
-
-
-func TestFuncTypes(t *testing.T) {
- var f0 func() int
- check(t, `func="func"`, `func`, f0)
-
- f1 := func() int { return 42 }
- check(t, `func="func"`, `func`, f1)
- // check(t, `func=*`, `42`, f1); // reflection support for funcs incomplete
-}
-
-
-func TestMapTypes(t *testing.T) {
- var m0 map[string]int
- check(t, `map="map"`, `map`, m0)
-
- m1 := map[string]int{}
- check(t, `map="map"`, `map`, m1)
- // check(t, `map=*`, ``, m1); // reflection support for maps incomplete
-}
-
-
-func TestPointerTypes(t *testing.T) {
- var p0 *int
- check(t, `ptr="ptr"`, `ptr`, p0)
- check(t, `ptr=*`, ``, p0)
- check(t, `ptr=*|"nil"`, `nil`, p0)
-
- x := 99991
- p1 := &x
- check(t, `ptr="ptr"`, `ptr`, p1)
- check(t, `ptr=*; int="%d"`, `99991`, p1)
-}
-
-
-func TestDefaultRule(t *testing.T) {
- check(t, `default="%v"`, `42foo3.14`, 42, "foo", 3.14)
- check(t, `default="%v"; int="%x"`, `abcdef`, 10, 11, 12, 13, 14, 15)
- check(t, `default="%v"; int="%x"`, `ab**ef`, 10, 11, "**", 14, 15)
- check(t, `default="%x"; int=@:default`, `abcdef`, 10, 11, 12, 13, 14, 15)
-}
-
-
-func TestGlobalSeparatorRule(t *testing.T) {
- check(t, `int="%d"; / ="-"`, `1-2-3-4`, 1, 2, 3, 4)
- check(t, `int="%x%x"; / ="*"`, `aa*aa`, 10, 10)
-}
-
-
-// ----------------------------------------------------------------------------
-// Formatting of a struct
-
-type T1 struct {
- a int
-}
-
-const F1 = `datafmt "datafmt";` +
- `int = "%d";` +
- `datafmt.T1 = "<" a ">";`
-
-func TestStruct1(t *testing.T) { check(t, F1, "<42>", T1{42}) }
-
-
-// ----------------------------------------------------------------------------
-// Formatting of a struct with an optional field (ptr)
-
-type T2 struct {
- s string
- p *T1
-}
-
-const F2a = F1 +
- `string = "%s";` +
- `ptr = *;` +
- `datafmt.T2 = s ["-" p "-"];`
-
-const F2b = F1 +
- `string = "%s";` +
- `ptr = *;` +
- `datafmt.T2 = s ("-" p "-" | "empty");`
-
-func TestStruct2(t *testing.T) {
- check(t, F2a, "foo", T2{"foo", nil})
- check(t, F2a, "bar-<17>-", T2{"bar", &T1{17}})
- check(t, F2b, "fooempty", T2{"foo", nil})
-}
-
-
-// ----------------------------------------------------------------------------
-// Formatting of a struct with a repetitive field (slice)
-
-type T3 struct {
- s string
- a []int
-}
-
-const F3a = `datafmt "datafmt";` +
- `default = "%v";` +
- `array = *;` +
- `datafmt.T3 = s {" " a a / ","};`
-
-const F3b = `datafmt "datafmt";` +
- `int = "%d";` +
- `string = "%s";` +
- `array = *;` +
- `nil = ;` +
- `empty = *:nil;` +
- `datafmt.T3 = s [a:empty ": " {a / "-"}]`
-
-func TestStruct3(t *testing.T) {
- check(t, F3a, "foo", T3{"foo", nil})
- check(t, F3a, "foo 00, 11, 22", T3{"foo", []int{0, 1, 2}})
- check(t, F3b, "bar", T3{"bar", nil})
- check(t, F3b, "bal: 2-3-5", T3{"bal", []int{2, 3, 5}})
-}
-
-
-// ----------------------------------------------------------------------------
-// Formatting of a struct with alternative field
-
-type T4 struct {
- x *int
- a []int
-}
-
-const F4a = `datafmt "datafmt";` +
- `int = "%d";` +
- `ptr = *;` +
- `array = *;` +
- `nil = ;` +
- `empty = *:nil;` +
- `datafmt.T4 = "<" (x:empty x | "-") ">" `
-
-const F4b = `datafmt "datafmt";` +
- `int = "%d";` +
- `ptr = *;` +
- `array = *;` +
- `nil = ;` +
- `empty = *:nil;` +
- `datafmt.T4 = "<" (a:empty {a / ", "} | "-") ">" `
-
-func TestStruct4(t *testing.T) {
- x := 7
- check(t, F4a, "<->", T4{nil, nil})
- check(t, F4a, "<7>", T4{&x, nil})
- check(t, F4b, "<->", T4{nil, nil})
- check(t, F4b, "<2, 3, 7>", T4{nil, []int{2, 3, 7}})
-}
-
-
-// ----------------------------------------------------------------------------
-// Formatting a struct (documentation example)
-
-type Point struct {
- name string
- x, y int
-}
-
-const FPoint = `datafmt "datafmt";` +
- `int = "%d";` +
- `hexInt = "0x%x";` +
- `string = "---%s---";` +
- `datafmt.Point = name "{" x ", " y:hexInt "}";`
-
-func TestStructPoint(t *testing.T) {
- p := Point{"foo", 3, 15}
- check(t, FPoint, "---foo---{3, 0xf}", p)
-}
-
-
-// ----------------------------------------------------------------------------
-// Formatting a slice (documentation example)
-
-const FSlice = `int = "%b";` +
- `array = { * / ", " }`
-
-func TestSlice(t *testing.T) { check(t, FSlice, "10, 11, 101, 111", []int{2, 3, 5, 7}) }
-
-
-// TODO add more tests
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