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 |