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https://github.com/hanzoai/yaegi.git
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zeekay
a6a6264f91
Per the standing fork rule, a hanzoai fork declares its OWN module path and
is required directly -- never resolved via a `replace` against the upstream
path. Keeping the upstream path meant every import line in every consumer
carried the upstream brand.
module github.com/traefik/yaegi -> module github.com/hanzoai/yaegi
Mechanical and behaviour-neutral: every occurrence is an import path
(package self-imports, cmd/, _test/ fixtures interpreted at test time, and
the guthib.com/<org>/{fromage,cheese,vin} fake vendor trees under
example/pkg, whose directory components were renamed in lockstep with the
import strings that reference them).
GOPATH-mode source-import tests (interp TestFile) resolve the module by its
path under $GOPATH/src, so the required checkout location moves with the
module path -- as README already documents. Verified green at
$GOPATH/src/github.com/hanzoai/yaegi.
LICENSE is untouched: "Copyright 2020 Traefik Labs SAS" is the Apache-2.0
attribution and is a legal obligation, not a brand leak.
Also drops the inherited CONTRIBUTING.md CLA clause, which named an
upstream agreement this fork does not administer.
233 lines
4.2 KiB
Go
233 lines
4.2 KiB
Go
package interp
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import (
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"go/constant"
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"log"
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"reflect"
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"testing"
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"github.com/hanzoai/yaegi/stdlib"
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)
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func init() { log.SetFlags(log.Lshortfile) }
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func TestIsNatural(t *testing.T) {
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tests := []struct {
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desc string
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n *node
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expected bool
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}{
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{
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desc: "positive uint var",
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n: &node{
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typ: &itype{
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rtype: func() reflect.Type {
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var a uint = 3
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return reflect.TypeOf(a)
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}(),
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},
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rval: func() reflect.Value {
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var a uint = 3
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return reflect.ValueOf(a)
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}(),
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},
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expected: true,
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},
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{
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desc: "positive untyped var",
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n: &node{
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typ: &itype{
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rtype: func() reflect.Type {
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a := 3
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return reflect.TypeOf(a)
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}(),
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},
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rval: func() reflect.Value {
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a := 3
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return reflect.ValueOf(a)
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}(),
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},
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expected: true,
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},
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{
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desc: "positive int var",
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n: &node{
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typ: &itype{
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rtype: func() reflect.Type {
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var a int = 3
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return reflect.TypeOf(a)
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}(),
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},
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rval: func() reflect.Value {
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var a int = 3
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return reflect.ValueOf(a)
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}(),
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},
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expected: true,
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},
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{
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desc: "positive float var, null decimal",
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n: &node{
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typ: &itype{
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rtype: func() reflect.Type {
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var a float64 = 3.0
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return reflect.TypeOf(a)
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}(),
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},
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rval: func() reflect.Value {
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var a float64 = 3.0
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return reflect.ValueOf(a)
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}(),
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},
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expected: true,
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},
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{
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desc: "positive float var, with decimal",
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n: &node{
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typ: &itype{
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rtype: func() reflect.Type {
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var a float64 = 3.14
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return reflect.TypeOf(a)
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}(),
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},
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rval: func() reflect.Value {
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var a float64 = 3.14
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return reflect.ValueOf(a)
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}(),
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},
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expected: false,
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},
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{
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desc: "negative int var",
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n: &node{
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typ: &itype{
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rtype: func() reflect.Type {
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var a int = -3
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return reflect.TypeOf(a)
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}(),
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},
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rval: func() reflect.Value {
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var a int = -3
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return reflect.ValueOf(a)
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}(),
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},
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expected: false,
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},
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{
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desc: "positive typed const",
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n: &node{
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typ: &itype{
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rtype: func() reflect.Type {
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const a uint = 3
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return reflect.TypeOf(a)
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}(),
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},
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rval: func() reflect.Value {
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const a uint = 3
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return reflect.ValueOf(a)
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}(),
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},
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expected: true,
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},
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{
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desc: "positive untyped const",
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n: &node{
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typ: &itype{
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rtype: func() reflect.Type {
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const a = 3
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return reflect.TypeOf(a)
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}(),
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},
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rval: func() reflect.Value {
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const a = 3
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return reflect.ValueOf(a)
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}(),
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},
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expected: true,
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},
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{
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desc: "positive untyped const (iota)",
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n: &node{
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typ: &itype{
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rtype: func() reflect.Type {
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const (
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zero = iota
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a
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)
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return reflect.TypeOf(a)
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}(),
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},
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rval: func() reflect.Value {
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const (
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zero = iota
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a
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)
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return reflect.ValueOf(a)
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}(),
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},
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expected: true,
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},
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{
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desc: "negative const",
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n: &node{
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typ: &itype{
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rtype: func() reflect.Type {
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const a = -3
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return reflect.TypeOf(a)
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}(),
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},
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rval: func() reflect.Value {
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const a = -3
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return reflect.ValueOf(a)
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}(),
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},
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expected: false,
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},
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}
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for _, test := range tests {
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got := test.n.isNatural()
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if test.expected != got {
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t.Fatalf("%s: got %v, wanted %v", test.desc, got, test.expected)
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}
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}
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}
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func TestGlobals(t *testing.T) {
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i := New(Options{})
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if err := i.Use(stdlib.Symbols); err != nil {
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t.Fatal(err)
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}
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if _, err := i.Eval("var a = 1"); err != nil {
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t.Fatal(err)
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}
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if _, err := i.Eval("b := 2"); err != nil {
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t.Fatal(err)
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}
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if _, err := i.Eval("const c = 3"); err != nil {
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t.Fatal(err)
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}
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g := i.Globals()
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a := g["a"]
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if !a.IsValid() {
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t.Fatal("a not found")
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}
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if a := a.Interface(); a != 1 {
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t.Fatalf("wrong a: want (%[1]T) %[1]v, have (%[2]T) %[2]v", 1, a)
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}
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b := g["b"]
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if !b.IsValid() {
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t.Fatal("b not found")
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}
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if b := b.Interface(); b != 2 {
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t.Fatalf("wrong b: want (%[1]T) %[1]v, have (%[2]T) %[2]v", 2, b)
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}
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c := g["c"]
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if !c.IsValid() {
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t.Fatal("c not found")
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}
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if cc, ok := c.Interface().(constant.Value); ok && constant.MakeInt64(3) != cc {
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t.Fatalf("wrong c: want (%[1]T) %[1]v, have (%[2]T) %[2]v", constant.MakeInt64(3), cc)
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}
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}
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