diff options
Diffstat (limited to 'src/pkg/exp/datafmt/datafmt_test.go')
-rw-r--r-- | src/pkg/exp/datafmt/datafmt_test.go | 351 |
1 files changed, 0 insertions, 351 deletions
diff --git a/src/pkg/exp/datafmt/datafmt_test.go b/src/pkg/exp/datafmt/datafmt_test.go deleted file mode 100644 index d7c70b21de..0000000000 --- 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 |