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|
package main
import (
"fmt"
"io"
"text/template"
)
const unaryTestBodyRaw = `invFn := func(q *Dense) bool {
a := q.Clone().(*Dense)
{{template "funcoptdecl" -}}
correct := a.Clone().(*Dense)
{{template "funcoptcorrect" -}}
we, willFailEq := willerr(a, {{.TypeClassName}}, {{.EqFailTypeClassName}})
_, ok := q.Engine().({{interfaceName .Name}}); we = we || !ok
ret, err := {{.Name}}(a {{template "funcoptuse"}})
if err, retEarly := qcErrCheck(t, "{{.Name}}", a, nil, we, err); retEarly{
if err != nil {
return false
}
return true
}
{{if ne .InvTypeClass "" -}}
if err := typeclassCheck(a.Dtype(), {{.InvTypeClass}}); err != nil {
return true // uninvertible due to type class implementation issues
}
{{end -}}
{{if eq .FuncOpt "incr" -}}
if ret, err = Sub(ret, identityVal(100, a.Dtype()), UseUnsafe()) ; err != nil {
t.Errorf("err while subtracting incr: %v", err)
return false
}
{{end -}}
{{.Inv}}(ret, UseUnsafe())
if !qcEqCheck(t, a.Dtype(), willFailEq, correct.Data(), ret.Data()) {
return false
}
{{template "funcoptcheck" -}}
return true
}
if err := quick.Check(invFn, &quick.Config{Rand:newRand(), MaxCount: quickchecks}); err != nil{
t.Errorf("Inv tests for {{.Name}} failed: %v", err)
}
`
type unaryTest struct {
unaryOp
FuncOpt string
EqFailTypeClassName string
InvTypeClass string
}
func (fn *unaryTest) Name() string {
if fn.unaryOp.Name() == "Eq" || fn.unaryOp.Name() == "Ne" {
return "El" + fn.unaryOp.Name()
}
return fn.unaryOp.Name()
}
func (fn *unaryTest) Signature() *Signature {
name := fmt.Sprintf("Test%s", fn.unaryOp.Name())
if fn.FuncOpt != "" {
name += "_" + fn.FuncOpt
}
return &Signature{
Name: name,
NameTemplate: plainName,
ParamNames: []string{"t"},
ParamTemplates: []*template.Template{testingType},
}
}
func (fn *unaryTest) WriteBody(w io.Writer) {
t := template.Must(template.New("unary test body").Funcs(funcs).Parse(unaryTestBodyRaw))
template.Must(t.New("funcoptdecl").Parse(funcOptDecl[fn.FuncOpt]))
template.Must(t.New("funcoptcorrect").Parse(funcOptCorrect[fn.FuncOpt]))
template.Must(t.New("funcoptuse").Parse(funcOptUse[fn.FuncOpt]))
template.Must(t.New("funcoptcheck").Parse(funcOptCheck[fn.FuncOpt]))
t.Execute(w, fn)
}
func (fn *unaryTest) canWrite() bool { return fn.Inv != "" }
func (fn *unaryTest) Write(w io.Writer) {
sig := fn.Signature()
w.Write([]byte("func "))
sig.Write(w)
w.Write([]byte("{\n"))
fn.WriteBody(w)
w.Write([]byte("}\n"))
}
func generateAPIUnaryTests(f io.Writer, ak Kinds) {
var tests []*unaryTest
for _, op := range conditionalUnaries {
t := &unaryTest{
unaryOp: op,
EqFailTypeClassName: "nil",
}
tests = append(tests, t)
}
for _, op := range unconditionalUnaries {
t := &unaryTest{
unaryOp: op,
EqFailTypeClassName: "nil",
}
switch op.name {
case "Square":
t.InvTypeClass = "floatcmplxTypes"
case "Cube":
t.InvTypeClass = "floatTypes"
}
tests = append(tests, t)
}
for _, fn := range tests {
if fn.canWrite() {
fn.Write(f)
}
fn.FuncOpt = "unsafe"
}
for _, fn := range tests {
if fn.canWrite() {
fn.Write(f)
}
fn.FuncOpt = "reuse"
}
for _, fn := range tests {
if fn.canWrite() {
fn.Write(f)
}
fn.FuncOpt = "incr"
}
// for now incr cannot be quickchecked
for _, fn := range tests {
if fn.canWrite() {
fn.Write(f)
}
}
}
|
