mirror of
https://github.com/golang/go.git
synced 2025-12-08 06:10:04 +00:00
update reflect supporting functions,
tests to use new reflect interface. also make tests a real gotest. depends on CL 31107 R=r DELTA=582 (56 added, 194 deleted, 332 changed) OCL=31108 CL=31279
This commit is contained in:
Russ Cox
parent
541e638f9b
commit
64f4e0b197
3 changed files with 367 additions and 505 deletions
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@ -12,312 +12,253 @@ import (
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"unsafe";
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)
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var doprint bool = false
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type integer int
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type T struct { a int; b float64; c string; d *int }
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func is_digit(c uint8) bool {
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type pair struct {
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i interface{};
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s string;
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}
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func isDigit(c uint8) bool {
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return '0' <= c && c <= '9'
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}
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// streq, but '@' in t matches a string of digits
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func match(s, t string) bool {
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for i, j := 0, 0; i < len(s) && j < len(t); i, j = i+1, j+1 {
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if s[i] == t[j] {
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continue
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func assert(t *testing.T, s, want string) {
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if s != want {
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t.Errorf("have %#q want %#q", s, want);
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}
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}
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func typestring(i interface{}) string {
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return Typeof(i).String();
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}
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var typeTests = []pair {
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pair { struct { x int }{}, "int" },
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pair { struct { x int8 }{}, "int8" },
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pair { struct { x int16 }{}, "int16" },
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pair { struct { x int32 }{}, "int32" },
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pair { struct { x int64 }{}, "int64" },
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pair { struct { x uint }{}, "uint" },
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pair { struct { x uint8 }{}, "uint8" },
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pair { struct { x uint16 }{}, "uint16" },
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pair { struct { x uint32 }{}, "uint32" },
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pair { struct { x uint64 }{}, "uint64" },
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pair { struct { x float }{}, "float" },
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pair { struct { x float32 }{}, "float32" },
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pair { struct { x float64 }{}, "float64" },
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pair { struct { x int8 }{}, "int8" },
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pair { struct { x (**int8) }{}, "**int8" },
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pair { struct { x (**reflect.integer) }{}, "**reflect.integer" },
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pair { struct { x ([32]int32) }{}, "[32]int32" },
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pair { struct { x ([]int8) }{}, "[]int8" },
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pair { struct { x (map[string]int32) }{}, "map[string] int32" },
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pair { struct { x (chan<-string) }{}, "chan<- string" },
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pair { struct { x struct {c chan *int32; d float32} }{}, "struct { c chan *int32; d float32 }" },
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pair { struct { x (func(a int8, b int32)) }{}, "func(int8, int32)" },
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pair { struct { x struct {c func(chan *reflect.integer, *int8)} }{}, "struct { c func(chan *reflect.integer, *int8) }" },
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pair { struct { x struct {a int8; b int32} }{}, "struct { a int8; b int32 }" },
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pair { struct { x struct {a int8; b int8; b int32} }{}, "struct { a int8; b int8; b int32 }" },
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pair { struct { x struct {a int8; b int8; c int8; b int32} }{}, "struct { a int8; b int8; c int8; b int32 }" },
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pair { struct { x struct {a int8; b int8; c int8; d int8; b int32} }{}, "struct { a int8; b int8; c int8; d int8; b int32 }" },
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pair { struct { x struct {a int8; b int8; c int8; d int8; e int8; b int32} }{}, "struct { a int8; b int8; c int8; d int8; e int8; b int32 }" },
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pair { struct { x struct {a int8 "hi there"; } }{}, `struct { a int8 "hi there" }` },
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pair { struct { x struct {a int8 "hi \x00there\t\n\"\\"; } }{}, `struct { a int8 "hi \x00there\t\n\"\\" }` },
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pair { struct { x struct {f func(args ...)} }{}, "struct { f func(...) }" },
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pair { struct { x (interface { a(func(func(int)(int))(func(func(int))(int))); b() }) }{}, "interface { a (func(func(int) (int)) (func(func(int)) (int))); b () }" },
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}
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var valueTests = []pair {
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pair { (int8)(0), "8" },
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pair { (int16)(0), "16" },
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pair { (int32)(0), "32" },
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pair { (int64)(0), "64" },
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pair { (uint8)(0), "8" },
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pair { (uint16)(0), "16" },
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pair { (uint32)(0), "32" },
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pair { (uint64)(0), "64" },
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pair { (float32)(0), "32.1" },
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pair { (float64)(0), "64.2" },
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pair { (string)(""), "stringy cheese" },
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pair { (bool)(false), "true" },
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pair { (*int8)(nil), "*int8(0)" },
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pair { (**int8)(nil), "**int8(0)" },
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pair { ([5]int32){}, "[5]int32{0, 0, 0, 0, 0}" },
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pair { (**reflect.integer)(nil), "**reflect.integer(0)" },
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pair { (map[string]int32)(nil), "map[string] int32{<can't iterate on maps>}" },
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pair { (chan<-string)(nil), "chan<- string" },
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pair { (struct {c chan *int32; d float32}){}, "struct { c chan *int32; d float32 }{chan *int32, 0}" },
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pair { (func(a int8, b int32))(nil), "func(int8, int32)(0)" },
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pair { (struct {c func(chan *reflect.integer, *int8)}){}, "struct { c func(chan *reflect.integer, *int8) }{func(chan *reflect.integer, *int8)(0)}" },
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pair { (struct {a int8; b int32}){}, "struct { a int8; b int32 }{0, 0}" },
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pair { (struct {a int8; b int8; b int32}){}, "struct { a int8; b int8; b int32 }{0, 0, 0}" },
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}
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func testType(t *testing.T, i int, typ Type, want string) {
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s := typ.String();
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if s != want {
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t.Errorf("#%d: have %#q, want %#q", i, s, want);
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}
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}
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func TestTypes(t *testing.T) {
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for i, tt := range typeTests {
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testType(t, i, NewValue(tt.i).(*StructValue).Field(0).Type(), tt.s);
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}
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}
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func TestValue(t *testing.T) {
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for i, tt := range valueTests {
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v := NewValue(tt.i);
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switch v := v.(type) {
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case *reflect.IntValue:
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v.Set(132);
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case *reflect.Int8Value:
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v.Set(8);
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case *reflect.Int16Value:
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v.Set(16);
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case *reflect.Int32Value:
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v.Set(32);
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case *reflect.Int64Value:
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v.Set(64);
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case *reflect.UintValue:
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v.Set(132);
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case *reflect.Uint8Value:
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v.Set(8);
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case *reflect.Uint16Value:
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v.Set(16);
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case *reflect.Uint32Value:
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v.Set(32);
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case *reflect.Uint64Value:
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v.Set(64);
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case *reflect.FloatValue:
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v.Set(3200.0);
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case *reflect.Float32Value:
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v.Set(32.1);
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case *reflect.Float64Value:
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v.Set(64.2);
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case *reflect.StringValue:
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v.Set("stringy cheese");
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case *reflect.BoolValue:
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v.Set(true);
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}
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if is_digit(s[i]) && t[j] == '@' {
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for is_digit(s[i+1]) {
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i++
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}
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} else {
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return false
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s := valueToString(v);
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if s != tt.s {
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t.Errorf("#%d: have %#q, want %#q", i, s, tt.s);
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}
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}
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return true;
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}
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func assert(s, t string) {
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if doprint {
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println(t)
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}
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if !match(s, t) {
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panicln(s, t)
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}
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var _i = 7;
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var valueToStringTests = []pair {
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pair { 123, "123" },
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pair { 123.4, "123.4" },
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pair { byte(123), "123" },
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pair { "abc", "abc" },
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pair { T{123, 456.75, "hello", &_i}, "reflect.T{123, 456.75, hello, *int(&7)}" },
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pair { new(chan *T), "*chan *reflect.T(&chan *reflect.T)" },
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pair { [10]int{1,2,3,4,5,6,7,8,9,10}, "[10]int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}" },
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pair { &[10]int{1,2,3,4,5,6,7,8,9,10}, "*[10]int(&[10]int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10})" },
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pair { []int{1,2,3,4,5,6,7,8,9,10}, "[]int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}" },
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pair { &[]int{1,2,3,4,5,6,7,8,9,10}, "*[]int(&[]int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10})" }
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}
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func typedump(s, t string) {
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typ := ParseTypeString("", s);
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assert(typeToString(typ, true), t);
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}
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func valuedump(s, t string) {
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typ := ParseTypeString("", s);
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v := NewZeroValue(typ);
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if v == nil {
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panicln("valuedump", s);
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}
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switch v.Kind() {
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case IntKind:
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v.(IntValue).Set(132);
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case Int8Kind:
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v.(Int8Value).Set(8);
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case Int16Kind:
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v.(Int16Value).Set(16);
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case Int32Kind:
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v.(Int32Value).Set(32);
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case Int64Kind:
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v.(Int64Value).Set(64);
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case UintKind:
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v.(UintValue).Set(132);
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case Uint8Kind:
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v.(Uint8Value).Set(8);
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case Uint16Kind:
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v.(Uint16Value).Set(16);
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case Uint32Kind:
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v.(Uint32Value).Set(32);
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case Uint64Kind:
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v.(Uint64Value).Set(64);
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case FloatKind:
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v.(FloatValue).Set(3200.0);
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case Float32Kind:
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v.(Float32Value).Set(32.1);
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case Float64Kind:
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v.(Float64Value).Set(64.2);
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case StringKind:
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v.(StringValue).Set("stringy cheese");
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case BoolKind:
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v.(BoolValue).Set(true);
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}
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assert(valueToString(v), t);
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}
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type T struct { a int; b float64; c string; d *int }
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func TestAll(tt *testing.T) { // TODO(r): wrap up better
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var s string;
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var t Type;
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// Types
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typedump("missing", "$missing$");
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typedump("int", "int");
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typedump("int8", "int8");
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typedump("int16", "int16");
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typedump("int32", "int32");
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typedump("int64", "int64");
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typedump("uint", "uint");
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typedump("uint8", "uint8");
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typedump("uint16", "uint16");
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typedump("uint32", "uint32");
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typedump("uint64", "uint64");
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typedump("float", "float");
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typedump("float32", "float32");
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typedump("float64", "float64");
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typedump("int8", "int8");
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typedump("whoknows.whatsthis", "$missing$");
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typedump("**int8", "**int8");
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typedump("**P.integer", "**P.integer");
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typedump("[32]int32", "[32]int32");
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typedump("[]int8", "[]int8");
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typedump("map[string]int32", "map[string]int32");
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typedump("chan<-string", "chan<-string");
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typedump("struct {c chan *int32; d float32}", "struct{c chan*int32; d float32}");
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typedump("func(a int8, b int32)", "func(a int8, b int32)");
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typedump("struct {c func(? chan *P.integer, ? *int8)}", "struct{c func(chan*P.integer, *int8)}");
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typedump("struct {a int8; b int32}", "struct{a int8; b int32}");
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typedump("struct {a int8; b int8; b int32}", "struct{a int8; b int8; b int32}");
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typedump("struct {a int8; b int8; c int8; b int32}", "struct{a int8; b int8; c int8; b int32}");
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typedump("struct {a int8; b int8; c int8; d int8; b int32}", "struct{a int8; b int8; c int8; d int8; b int32}");
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typedump("struct {a int8; b int8; c int8; d int8; e int8; b int32}", "struct{a int8; b int8; c int8; d int8; e int8; b int32}");
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typedump("struct {a int8 \"hi there\"; }", "struct{a int8 \"hi there\"}");
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typedump("struct {a int8 \"hi \\x00there\\t\\n\\\"\\\\\"; }", "struct{a int8 \"hi \\x00there\\t\\n\\\"\\\\\"}");
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typedump("struct {f func(args ...)}", "struct{f func(args ...)}");
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typedump("interface { a(? func(? func(? int) int) func(? func(? int)) int); b() }", "interface{a (func(func(int)(int))(func(func(int))(int))); b ()}");
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// Values
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valuedump("int8", "8");
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valuedump("int16", "16");
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valuedump("int32", "32");
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valuedump("int64", "64");
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valuedump("uint8", "8");
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valuedump("uint16", "16");
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valuedump("uint32", "32");
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valuedump("uint64", "64");
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valuedump("float32", "32.1");
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valuedump("float64", "64.2");
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valuedump("string", "stringy cheese");
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valuedump("bool", "true");
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valuedump("*int8", "*int8(0)");
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valuedump("**int8", "**int8(0)");
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valuedump("[5]int32", "[5]int32{0, 0, 0, 0, 0}");
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valuedump("**P.integer", "**P.integer(0)");
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valuedump("map[string]int32", "map[string]int32{<can't iterate on maps>}");
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valuedump("chan<-string", "chan<-string");
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valuedump("struct {c chan *int32; d float32}", "struct{c chan*int32; d float32}{chan*int32, 0}");
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valuedump("func(a int8, b int32)", "func(a int8, b int32)(0)");
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valuedump("struct {c func(? chan *P.integer, ? *int8)}", "struct{c func(chan*P.integer, *int8)}{func(chan*P.integer, *int8)(0)}");
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valuedump("struct {a int8; b int32}", "struct{a int8; b int32}{0, 0}");
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valuedump("struct {a int8; b int8; b int32}", "struct{a int8; b int8; b int32}{0, 0, 0}");
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{ var tmp = 123;
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value := NewValue(tmp);
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assert(valueToString(value), "123");
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}
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{ var tmp = 123.4;
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value := NewValue(tmp);
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assert(valueToString(value), "123.4");
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}
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{
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var tmp = byte(123);
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value := NewValue(tmp);
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assert(valueToString(value), "123");
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assert(typeToString(value.Type(), false), "uint8");
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}
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{ var tmp = "abc";
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value := NewValue(tmp);
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assert(valueToString(value), "abc");
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}
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{
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var i int = 7;
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var tmp = &T{123, 456.75, "hello", &i};
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value := NewValue(tmp);
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assert(valueToString(value.(PtrValue).Sub()), "reflect.T{123, 456.75, hello, *int(@)}");
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}
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{
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type C chan *T; // TODO: should not be necessary
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var tmp = new(C);
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value := NewValue(tmp);
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assert(valueToString(value), "*reflect.C·all_test(@)");
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}
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// {
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// type A [10]int;
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// var tmp A = A{1,2,3,4,5,6,7,8,9,10};
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// value := NewValue(&tmp);
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// assert(valueToString(value.(PtrValue).Sub()), "reflect.A·all_test{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}");
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// value.(PtrValue).Sub().(ArrayValue).Elem(4).(IntValue).Set(123);
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// assert(valueToString(value.(PtrValue).Sub()), "reflect.A·all_test{1, 2, 3, 4, 123, 6, 7, 8, 9, 10}");
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// }
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{
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type AA []int;
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var tmp = AA{1,2,3,4,5,6,7,8,9,10};
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value := NewValue(&tmp); // TODO: NewValue(tmp) too
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assert(valueToString(value.(PtrValue).Sub()), "reflect.AA·all_test{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}");
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value.(PtrValue).Sub().(ArrayValue).Elem(4).(IntValue).Set(123);
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assert(valueToString(value.(PtrValue).Sub()), "reflect.AA·all_test{1, 2, 3, 4, 123, 6, 7, 8, 9, 10}");
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}
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{
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var ip *int32;
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var i int32 = 1234;
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vip := NewValue(&ip);
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vi := NewValue(i);
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vip.(PtrValue).Sub().(PtrValue).SetSub(vi);
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if *ip != 1234 {
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panicln("SetSub failure", *ip);
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func TestValueToString(t *testing.T) {
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for i, test := range valueToStringTests {
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s := valueToString(NewValue(test.i));
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if s != test.s {
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t.Errorf("#%d: have %#q, want %#q", i, s, test.s);
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}
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}
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}
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var pt PtrType;
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var st StructType;
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var mt MapType;
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var at ArrayType;
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var ct ChanType;
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var name string;
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var typ Type;
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var tag string;
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var offset int;
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func TestArrayElemSet(t *testing.T) {
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v := NewValue([10]int{1,2,3,4,5,6,7,8,9,10});
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v.(*ArrayValue).Elem(4).(*IntValue).Set(123);
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s := valueToString(v);
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const want = "[10]int{1, 2, 3, 4, 123, 6, 7, 8, 9, 10}";
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if s != want {
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t.Errorf("[10]int: have %#q want %#q", s, want);
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}
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// Type strings
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t = ParseTypeString("", "int8");
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assert(t.String(), "int8");
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v = NewValue([]int{1,2,3,4,5,6,7,8,9,10});
|
||||
v.(*SliceValue).Elem(4).(*IntValue).Set(123);
|
||||
s = valueToString(v);
|
||||
const want1 = "[]int{1, 2, 3, 4, 123, 6, 7, 8, 9, 10}";
|
||||
if s != want1 {
|
||||
t.Errorf("[]int: have %#q want %#q", s, want1);
|
||||
}
|
||||
}
|
||||
|
||||
t = ParseTypeString("", "*int8");
|
||||
assert(t.String(), "*int8");
|
||||
pt = t.(PtrType);
|
||||
assert(pt.Sub().String(), "int8");
|
||||
func TestPtrPointTo(t *testing.T) {
|
||||
var ip *int32;
|
||||
var i int32 = 1234;
|
||||
vip := NewValue(&ip);
|
||||
vi := NewValue(i);
|
||||
vip.(*PtrValue).Elem().(*PtrValue).PointTo(vi);
|
||||
if *ip != 1234 {
|
||||
t.Errorf("got %d, want 1234", *ip);
|
||||
}
|
||||
}
|
||||
|
||||
t = ParseTypeString("", "*struct {c chan *int32; d float32}");
|
||||
assert(t.String(), "*struct {c chan *int32; d float32}");
|
||||
pt = t.(PtrType);
|
||||
assert(pt.Sub().String(), "struct {c chan *int32; d float32}");
|
||||
st = pt.Sub().(StructType);
|
||||
name, typ, tag, offset = st.Field(0);
|
||||
assert(typ.String(), "chan *int32");
|
||||
name, typ, tag, offset = st.Field(1);
|
||||
assert(typ.String(), "float32");
|
||||
func TestAll(t *testing.T) { // TODO(r): wrap up better
|
||||
testType(t, 1, Typeof((int8)(0)), "int8");
|
||||
testType(t, 2, Typeof((*int8)(nil)).(*PtrType).Elem(), "int8");
|
||||
|
||||
t = ParseTypeString("", "interface {a() *int}");
|
||||
assert(t.String(), "interface {a() *int}");
|
||||
typ := Typeof((*struct{c chan *int32; d float32})(nil));
|
||||
testType(t, 3, typ, "*struct { c chan *int32; d float32 }");
|
||||
etyp := typ.(*PtrType).Elem();
|
||||
testType(t, 4, etyp, "struct { c chan *int32; d float32 }");
|
||||
styp := etyp.(*StructType);
|
||||
f := styp.Field(0);
|
||||
testType(t, 5, f.Type, "chan *int32");
|
||||
f = styp.Field(1);
|
||||
testType(t, 6, f.Type, "float32");
|
||||
|
||||
t = ParseTypeString("", "func(a int8, b int32)");
|
||||
assert(t.String(), "func(a int8, b int32)");
|
||||
typ = Typeof(([32]int32)(nil));
|
||||
testType(t, 7, typ, "[32]int32");
|
||||
testType(t, 8, typ.(*ArrayType).Elem(), "int32");
|
||||
|
||||
t = ParseTypeString("", "func(a int8, b int32) float");
|
||||
assert(t.String(), "func(a int8, b int32) float");
|
||||
typ = Typeof((map[string]*int32)(nil));
|
||||
testType(t, 9, typ, "map[string] *int32");
|
||||
mtyp := typ.(*MapType);
|
||||
testType(t, 10, mtyp.Key(), "string");
|
||||
testType(t, 11, mtyp.Elem(), "*int32");
|
||||
|
||||
t = ParseTypeString("", "func(a int8, b int32) (a float, b float)");
|
||||
assert(t.String(), "func(a int8, b int32) (a float, b float)");
|
||||
|
||||
t = ParseTypeString("", "[32]int32");
|
||||
assert(t.String(), "[32]int32");
|
||||
at = t.(ArrayType);
|
||||
assert(at.Elem().String(), "int32");
|
||||
|
||||
t = ParseTypeString("", "map[string]*int32");
|
||||
assert(t.String(), "map[string]*int32");
|
||||
mt = t.(MapType);
|
||||
assert(mt.Key().String(), "string");
|
||||
assert(mt.Elem().String(), "*int32");
|
||||
|
||||
t = ParseTypeString("", "chan<-string");
|
||||
assert(t.String(), "chan<-string");
|
||||
ct = t.(ChanType);
|
||||
assert(ct.Elem().String(), "string");
|
||||
typ = Typeof((chan<-string)(nil));
|
||||
testType(t, 12, typ, "chan<- string");
|
||||
testType(t, 13, typ.(*ChanType).Elem(), "string");
|
||||
|
||||
// make sure tag strings are not part of element type
|
||||
t = ParseTypeString("", "struct{d []uint32 \"TAG\"}");
|
||||
st = t.(StructType);
|
||||
name, typ, tag, offset = st.Field(0);
|
||||
assert(typ.String(), "[]uint32");
|
||||
|
||||
t = ParseTypeString("", "[]int32");
|
||||
v := NewSliceValue(t.(ArrayType), 5, 10);
|
||||
t1 := ParseTypeString("", "*[]int32");
|
||||
v1 := NewZeroValue(t1);
|
||||
if v1 == nil { panic("V1 is nil"); }
|
||||
v1.(PtrValue).SetSub(v);
|
||||
a := *v1.Interface().(*[]int32);
|
||||
println(a, len(a), cap(a));
|
||||
for i := 0; i < len(a); i++ {
|
||||
v.Elem(i).(Int32Value).Set(int32(i));
|
||||
}
|
||||
for i := 0; i < len(a); i++ {
|
||||
println(a[i]);
|
||||
}
|
||||
typ = Typeof(struct{d []uint32 "TAG"}{}).(*StructType).Field(0).Type;
|
||||
testType(t, 14, typ, "[]uint32");
|
||||
}
|
||||
|
||||
func TestInterfaceGet(t *testing.T) {
|
||||
var inter struct { e interface{ } };
|
||||
inter.e = 123.456;
|
||||
v1 := NewValue(&inter);
|
||||
v2 := v1.(PtrValue).Sub().(StructValue).Field(0);
|
||||
assert(v2.Type().String(), "interface { }");
|
||||
i2 := v2.(InterfaceValue).Get();
|
||||
v2 := v1.(*PtrValue).Elem().(*StructValue).Field(0);
|
||||
assert(t, v2.Type().String(), "interface { }");
|
||||
i2 := v2.(*InterfaceValue).Interface();
|
||||
v3 := NewValue(i2);
|
||||
assert(v3.Type().String(), "float");
|
||||
assert(t, v3.Type().String(), "float");
|
||||
}
|
||||
|
||||
func TestInterfaceValue(t *testing.T) {
|
||||
var inter struct { e interface{ } };
|
||||
inter.e = 123.456;
|
||||
v1 := NewValue(&inter);
|
||||
v2 := v1.(PtrValue).Sub().(StructValue).Field(0);
|
||||
assert(v2.Type().String(), "interface { }");
|
||||
v3 := v2.(InterfaceValue).Value();
|
||||
assert(v3.Type().String(), "float");
|
||||
v2 := v1.(*PtrValue).Elem().(*StructValue).Field(0);
|
||||
assert(t, v2.Type().String(), "interface { }");
|
||||
v3 := v2.(*InterfaceValue).Elem();
|
||||
assert(t, v3.Type().String(), "float");
|
||||
|
||||
i3 := v2.Interface();
|
||||
if f, ok := i3.(float); !ok {
|
||||
a, typ, c := unsafe.Reflect(i3);
|
||||
t.Error("v2.Interface() did not return float, got ", typ);
|
||||
t.Error("v2.Interface() did not return float, got ", Typeof(i3));
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -326,7 +267,7 @@ func TestFunctionValue(t *testing.T) {
|
|||
if v.Interface() != v.Interface() {
|
||||
t.Fatalf("TestFunction != itself");
|
||||
}
|
||||
assert(v.Type().String(), "func()");
|
||||
assert(t, v.Type().String(), "func()");
|
||||
}
|
||||
|
||||
func TestCopyArray(t *testing.T) {
|
||||
|
|
@ -340,21 +281,25 @@ func TestCopyArray(t *testing.T) {
|
|||
t.Fatalf("b != c before test");
|
||||
}
|
||||
}
|
||||
aa := va.(*PtrValue).Elem().(*SliceValue);
|
||||
ab := vb.(*PtrValue).Elem().(*SliceValue);
|
||||
for tocopy := 1; tocopy <= 7; tocopy++ {
|
||||
vb.(PtrValue).Sub().(ArrayValue).CopyFrom(va.(PtrValue).Sub().(ArrayValue), tocopy);
|
||||
aa.SetLen(tocopy);
|
||||
ArrayCopy(ab, aa);
|
||||
aa.SetLen(8);
|
||||
for i := 0; i < tocopy; i++ {
|
||||
if a[i] != b[i] {
|
||||
t.Errorf("1 tocopy=%d a[%d]=%d, b[%d]=%d",
|
||||
t.Errorf("(i) tocopy=%d a[%d]=%d, b[%d]=%d",
|
||||
tocopy, i, a[i], i, b[i]);
|
||||
}
|
||||
}
|
||||
for i := tocopy; i < len(b); i++ {
|
||||
if b[i] != c[i] {
|
||||
if i < len(a) {
|
||||
t.Errorf("2 tocopy=%d a[%d]=%d, b[%d]=%d, c[%d]=%d",
|
||||
t.Errorf("(ii) tocopy=%d a[%d]=%d, b[%d]=%d, c[%d]=%d",
|
||||
tocopy, i, a[i], i, b[i], i, c[i]);
|
||||
} else {
|
||||
t.Errorf("3 tocopy=%d b[%d]=%d, c[%d]=%d",
|
||||
t.Errorf("(iii) tocopy=%d b[%d]=%d, c[%d]=%d",
|
||||
tocopy, i, b[i], i, c[i]);
|
||||
}
|
||||
} else {
|
||||
|
|
@ -369,7 +314,7 @@ func TestBigUnnamedStruct(t *testing.T) {
|
|||
v := NewValue(b);
|
||||
b1 := v.Interface().(struct{a,b,c,d int64});
|
||||
if b1.a != b.a || b1.b != b.b || b1.c != b.c || b1.d != b.d {
|
||||
t.Errorf("NewValue(%v).Interface().(Big) = %v", b, b1);
|
||||
t.Errorf("NewValue(%v).Interface().(*Big) = %v", b, b1);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -452,6 +397,9 @@ func TestDeepEqual(t *testing.T) {
|
|||
func TestTypeof(t *testing.T) {
|
||||
for i, test := range deepEqualTests {
|
||||
v := NewValue(test.a);
|
||||
if v == nil {
|
||||
continue;
|
||||
}
|
||||
typ := Typeof(test.a);
|
||||
if typ != v.Type() {
|
||||
t.Errorf("Typeof(%v) = %v, but NewValue(%v).Type() = %v", test.a, typ, test.a, v.Type());
|
||||
|
|
@ -492,10 +440,10 @@ func TestDeepEqualComplexStructInequality(t *testing.T) {
|
|||
|
||||
|
||||
func check2ndField(x interface{}, offs uintptr, t *testing.T) {
|
||||
s := NewValue(x).(StructValue);
|
||||
name, ftype, tag, reflect_offset := s.Type().(StructType).Field(1);
|
||||
if uintptr(reflect_offset) != offs {
|
||||
t.Error("mismatched offsets in structure alignment:", reflect_offset, offs);
|
||||
s := NewValue(x).(*StructValue);
|
||||
f := s.Type().(*StructType).Field(1);
|
||||
if f.Offset != offs {
|
||||
t.Error("mismatched offsets in structure alignment:", f.Offset, offs);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -524,19 +472,19 @@ func TestAlignment(t *testing.T) {
|
|||
check2ndField(x1, uintptr(unsafe.Pointer(&x1.f)) - uintptr(unsafe.Pointer(&x1)), t);
|
||||
}
|
||||
|
||||
type Nillable interface {
|
||||
type IsNiller interface {
|
||||
IsNil() bool
|
||||
}
|
||||
|
||||
func Nil(a interface{}, t *testing.T) {
|
||||
n := NewValue(a).(Nillable);
|
||||
n := NewValue(a).(*StructValue).Field(0).(IsNiller);
|
||||
if !n.IsNil() {
|
||||
t.Errorf("%v should be nil", a)
|
||||
}
|
||||
}
|
||||
|
||||
func NotNil(a interface{}, t *testing.T) {
|
||||
n := NewValue(a).(Nillable);
|
||||
n := NewValue(a).(*StructValue).Field(0).(IsNiller);
|
||||
if n.IsNil() {
|
||||
t.Errorf("value of type %v should not be nil", NewValue(a).Type().String())
|
||||
}
|
||||
|
|
@ -544,45 +492,62 @@ func NotNil(a interface{}, t *testing.T) {
|
|||
|
||||
func TestIsNil(t *testing.T) {
|
||||
// These do not implement IsNil
|
||||
doNotNil := []string{"int", "float32", "struct { a int }"};
|
||||
// These do implement IsNil
|
||||
doNil := []string{"*int", "interface{}", "map[string]int", "func() bool", "chan int", "[]string"};
|
||||
doNotNil := []interface{}{ int(0), float32(0), struct{a int}{} };
|
||||
for i, ts := range doNotNil {
|
||||
ty := ParseTypeString("", ts);
|
||||
v := NewZeroValue(ty);
|
||||
if nilable, ok := v.(Nillable); ok {
|
||||
ty := Typeof(ts);
|
||||
v := MakeZero(ty);
|
||||
if nilable, ok := v.(IsNiller); ok {
|
||||
t.Errorf("%s is nilable; should not be", ts)
|
||||
}
|
||||
}
|
||||
|
||||
// These do implement IsNil.
|
||||
// Wrap in extra struct to hide interface type.
|
||||
doNil := []interface{}{
|
||||
struct{x *int}{},
|
||||
struct{x interface{}}{},
|
||||
struct{x map[string]int}{},
|
||||
struct{x func()bool}{},
|
||||
struct{x chan int}{},
|
||||
struct{x []string}{}
|
||||
};
|
||||
for i, ts := range doNil {
|
||||
ty := ParseTypeString("", ts);
|
||||
v := NewZeroValue(ty);
|
||||
if nilable, ok := v.(Nillable); !ok {
|
||||
ty := Typeof(ts).(*StructType).Field(0).Type;
|
||||
v := MakeZero(ty);
|
||||
if nilable, ok := v.(IsNiller); !ok {
|
||||
t.Errorf("%s %T is not nilable; should be", ts, v)
|
||||
}
|
||||
}
|
||||
|
||||
// Check the implementations
|
||||
var pi *int;
|
||||
var pi struct {x *int}
|
||||
Nil(pi, t);
|
||||
pi = new(int);
|
||||
pi.x = new(int);
|
||||
NotNil(pi, t);
|
||||
|
||||
var si []int;
|
||||
var si struct {x []int}
|
||||
Nil(si, t);
|
||||
si = make([]int, 10);
|
||||
si.x = make([]int, 10);
|
||||
NotNil(si, t);
|
||||
|
||||
// TODO: map and chan don't work yet
|
||||
var ci struct {x chan int}
|
||||
Nil(ci, t);
|
||||
ci.x = make(chan int);
|
||||
NotNil(ci, t);
|
||||
|
||||
var ii interface {};
|
||||
var mi struct {x map[int]int}
|
||||
Nil(mi, t);
|
||||
mi.x = make(map[int]int);
|
||||
NotNil(mi, t);
|
||||
|
||||
var ii struct {x interface {}}
|
||||
Nil(ii, t);
|
||||
ii = pi;
|
||||
ii.x = 2;
|
||||
NotNil(ii, t);
|
||||
|
||||
var fi func(t *testing.T);
|
||||
var fi struct {x func(t *testing.T)}
|
||||
Nil(fi, t);
|
||||
fi = TestIsNil;
|
||||
fi.x = TestIsNil;
|
||||
NotNil(fi, t);
|
||||
}
|
||||
|
||||
|
|
@ -592,7 +557,7 @@ func TestInterfaceExtraction(t *testing.T) {
|
|||
}
|
||||
|
||||
s.w = os.Stdout;
|
||||
v := Indirect(NewValue(&s)).(StructValue).Field(0).Interface();
|
||||
v := Indirect(NewValue(&s)).(*StructValue).Field(0).Interface();
|
||||
if v != s.w.(interface{}) {
|
||||
t.Errorf("Interface() on interface: ", v, s.w);
|
||||
}
|
||||
|
|
@ -612,7 +577,7 @@ func TestInterfaceEditing(t *testing.T) {
|
|||
|
||||
// and setting that copy to "bye" should
|
||||
// not change the value stored in i.
|
||||
v.(StringValue).Set("bye");
|
||||
v.(*StringValue).Set("bye");
|
||||
if i.(string) != "hello" {
|
||||
t.Errorf(`Set("bye") changed i to %s`, i.(string));
|
||||
}
|
||||
|
|
@ -620,7 +585,7 @@ func TestInterfaceEditing(t *testing.T) {
|
|||
// the same should be true of smaller items.
|
||||
i = 123;
|
||||
v = NewValue(i);
|
||||
v.(IntValue).Set(234);
|
||||
v.(*IntValue).Set(234);
|
||||
if i.(int) != 123 {
|
||||
t.Errorf("Set(234) changed i to %d", i.(int));
|
||||
}
|
||||
|
|
@ -628,7 +593,7 @@ func TestInterfaceEditing(t *testing.T) {
|
|||
|
||||
func TestNilPtrValueSub(t *testing.T) {
|
||||
var pi *int;
|
||||
if pv := NewValue(pi).(PtrValue); pv.Sub() != nil {
|
||||
t.Error("NewValue((*int)(nil)).(PtrValue).Sub() != nil");
|
||||
if pv := NewValue(pi).(*PtrValue); pv.Elem() != nil {
|
||||
t.Error("NewValue((*int)(nil)).(*PtrValue).Elem() != nil");
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue