forked from abneptis/GoJVM
/
jvm_xclass_test.go
314 lines (290 loc) · 11.8 KB
/
jvm_xclass_test.go
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package gojvm
/* Tests various external classes pre-disposed to have certain.. 'issues'
*/
import (
"github.com/timob/gojvm/types"
"testing"
)
var TrivialClass = "org/golang/ext/gojvm/testing/Trivial"
/* Provides a variety of constructors, and one niladic getConstructorUsed;
Verifies:
Method (parameter) reflection
Ctx.NewClass,
Marshalling (int,int64,string,{})
*/
var PathosClass = "org/golang/ext/gojvm/testing/Pathos"
/* Throws an exception on construction;
Verifies, exception on obj.New()
*/
var NativeClass = "org/golang/ext/gojvm/testing/Native"
/*
Has attachable native methods
*/
/* Doesn't exist
Verifies:
Exception for missing class
*/
var MissingClass = "org/golang/ext/MissingClass"
type trivialClassTest struct {
ConstArgs []interface{}
}
var trivialClassTests = []trivialClassTest{
trivialClassTest{[]interface{}{}},
trivialClassTest{[]interface{}{3}},
trivialClassTest{[]interface{}{"aString"}},
trivialClassTest{[]interface{}{int64(32)}},
}
func TestJVMTrivialClass(t *testing.T) {
env := setupJVM(t)
for i, test := range trivialClassTests {
form, err := FormFor(env, types.Basic(types.VoidKind), test.ConstArgs...)
fatalIf(t, err != nil, "[%d] Error generating formFor: %v", i, err)
fatalIf(t, form == "", "Got nil form")
klass, err := env.NewInstanceStr(TrivialClass, test.ConstArgs...)
fatalIf(t, err != nil, "[%d] Error generating formFor: %v", i, err)
kused, _, err := klass.CallString(env, false, "getConstructorUsed")
fatalIf(t, err != nil, "[%d] Error getting constructor used: %v", i, err)
fatalIf(t, kused != form, "[%d] Constructor called was wrong (Exp: %s, got: %s)", form, kused)
}
}
func TestJVMPathosClass(t *testing.T) {
env := setupJVM(t)
// We mute expected exceptions because otherwise the test looks sloppy (and FAILS are hard to see)
defer defMute(env)()
klass, err := env.NewInstanceStr(PathosClass)
fatalIf(t, klass != nil, "Pathos should throw an exception (be nil), but got %v", klass)
fatalIf(t, err == nil, "Pathos didn't throw an exception")
}
func TestJVMMissingClass(t *testing.T) {
env := setupJVM(t)
defer defMute(env)()
// We mute expected exceptions because otherwise the test looks sloppy (and FAILS are hard to see)
klass, err := env.NewInstanceStr(MissingClass)
fatalIf(t, klass != nil, "Missing should throw an exception (be nil), but got %v", klass)
fatalIf(t, err == nil, "Missing didn't throw an exception")
}
func TestJVMNativeVoidClass(t *testing.T) {
env := setupJVM(t)
//defer defMute(env)()
nativePings := 0
klass, err := env.GetClassStr(NativeClass)
fatalIf(t, err != nil, "Native threw an exception", err)
fatalIf(t, klass == nil, "Native klass is nil!")
err = env.RegisterNative(klass, "NativePing", func(E *Environment, O *Object) {
nativePings += 1
})
fatalIf(t, err != nil, "RegisterNative threw an exception", err)
obj, err := env.NewInstanceStr(NativeClass)
fatalIf(t, err != nil, "Couldn't instantiate NativeClass: %v", err)
fatalIf(t, obj == nil, "Instantiated NativeClass is nil")
err = obj.CallVoid(env, false, "NativePing")
fatalIf(t, err != nil, "Couldn't call NativeClass.NativePing(): %v", err)
fatalIf(t, nativePings != 1, "Wrong native ping count: %d\n", nativePings)
}
func TestJVMNativeIntClass(t *testing.T) {
env := setupJVM(t)
//defer defMute(env)()
klass, err := env.GetClassStr(NativeClass)
fatalIf(t, err != nil, "Native threw an exception", err)
fatalIf(t, klass == nil, "Native klass is nil!")
err = env.RegisterNative(klass, "NativeInt", func(E *Environment, O *Object) (i int) {
return 15
})
fatalIf(t, err != nil, "RegisterNative threw an exception", err)
obj, err := env.NewInstanceStr(NativeClass)
fatalIf(t, err != nil, "Couldn't instantiate NativeClass: %v", err)
fatalIf(t, obj == nil, "Instantiated NativeClass is nil")
ival, err := obj.CallInt(env, false, "NativeInt")
fatalIf(t, err != nil, "Couldn't call NativeClass.NativeInt(): %v", err)
fatalIf(t, ival != 15, "wrong returned value from native: %d", ival)
}
func TestJVMNativeComplexClass(t *testing.T) {
env := setupJVM(t)
//defer defMute(env)()
klass, err := env.GetClassStr(NativeClass)
fatalIf(t, err != nil, "Native threw an exception", err)
fatalIf(t, klass == nil, "Native klass is nil!")
obj1, err := env.NewInstanceStr("java/lang/Object")
fatalIf(t, err != nil, "new(Object) threw an exception", err)
obj2, err := env.NewInstanceStr("java/lang/Object")
fatalIf(t, err != nil, "new(Object2) threw an exception", err)
hit := false
err = env.RegisterNative(klass, "NativeComplex", func(E *Environment, O *Object, o1 *Object, o2 *Object, i1 int) {
hit = true
})
fatalIf(t, err != nil, "RegisterNative threw an exception", err)
obj, err := env.NewInstanceStr(NativeClass)
fatalIf(t, err != nil, "Couldn't instantiate NativeClass: %v", err)
fatalIf(t, obj == nil, "Instantiated NativeClass is nil")
err = env.CallObjectVoid(obj, false, "NativeComplex", obj1, obj2, 13)
fatalIf(t, err != nil, "Couldn't call NativeClass.NativeComplex(): %v", err)
fatalIf(t, !hit, "Native complex never got called", err)
}
func TestJVMNativeBoolClass(t *testing.T) {
env := setupJVM(t)
//defer defMute(env)()
klass, err := env.GetClassStr(NativeClass)
fatalIf(t, err != nil, "Native threw an exception", err)
fatalIf(t, klass == nil, "Native klass is nil!")
hit := false
err = env.RegisterNative(klass, "NativeBool", func(E *Environment, O *Object) bool {
return !hit
})
fatalIf(t, err != nil, "RegisterNative threw an exception", err)
obj, err := env.NewInstanceStr(NativeClass)
fatalIf(t, err != nil, "Couldn't instantiate NativeClass: %v", err)
fatalIf(t, obj == nil, "Instantiated NativeClass is nil")
ok, err := obj.CallBool(env, false, "NativeBool")
fatalIf(t, err != nil, "Couldn't call NativeClass.NativeBool(): %v", err)
fatalIf(t, ok == hit, "Native complex never got called", err)
hit = !hit
ok, err = obj.CallBool(env, false, "NativeBool")
fatalIf(t, err != nil, "Couldn't call NativeClass.NativeBool(): %v", err)
fatalIf(t, ok == hit, "Native complex never got called", err)
}
func TestJVMNativeLongClass(t *testing.T) {
env := setupJVM(t)
//defer defMute(env)()
klass, err := env.GetClassStr(NativeClass)
fatalIf(t, err != nil, "Native threw an exception", err)
fatalIf(t, klass == nil, "Native klass is nil!")
hit := int64(0)
err = env.RegisterNative(klass, "NativeLong", func(E *Environment, O *Object) int64 {
return hit
})
fatalIf(t, err != nil, "RegisterNative threw an exception", err)
obj, err := env.NewInstanceStr(NativeClass)
fatalIf(t, err != nil, "Couldn't instantiate NativeClass: %v", err)
fatalIf(t, obj == nil, "Instantiated NativeClass is nil")
ok, err := obj.CallLong(env, false, "NativeLong")
fatalIf(t, err != nil, "Couldn't call NativeClass.NativeBool(): %v", err)
fatalIf(t, ok != hit, "NativeLong got wrong value: %d", ok)
hit = -5128
ok, err = obj.CallLong(env, false, "NativeLong")
fatalIf(t, err != nil, "Couldn't call NativeClass.NativeBool(): %v", err)
fatalIf(t, ok != hit, "NativeLong got wrong value: %d", ok)
}
func TestJVMNativeFloatClass(t *testing.T) {
env := setupJVM(t)
//defer defMute(env)()
klass, err := env.GetClassStr(NativeClass)
fatalIf(t, err != nil, "Native threw an exception", err)
fatalIf(t, klass == nil, "Native klass is nil!")
hit := float32(.1234)
err = env.RegisterNative(klass, "NativeFloat", func(E *Environment, O *Object) float32 {
return hit
})
fatalIf(t, err != nil, "RegisterNative threw an exception", err)
obj, err := env.NewInstanceStr(NativeClass)
fatalIf(t, err != nil, "Couldn't instantiate NativeClass: %v", err)
fatalIf(t, obj == nil, "Instantiated NativeClass is nil")
ok, err := obj.CallFloat(env, false, "NativeFloat")
fatalIf(t, err != nil, "Couldn't call NativeClass.NativeFloat(): %v", err)
fatalIf(t, ok != hit, "NativeLong got wrong value: %d", ok)
hit = 1 / 20
ok, err = obj.CallFloat(env, false, "NativeFloat")
fatalIf(t, err != nil, "Couldn't call NativeClass.NativeFloat(): %v", err)
fatalIf(t, ok != hit, "NativeFloat got wrong value: %d", ok)
}
func TestJVMNativeShortClass(t *testing.T) {
env := setupJVM(t)
//defer defMute(env)()
klass, err := env.GetClassStr(NativeClass)
fatalIf(t, err != nil, "Native threw an exception", err)
fatalIf(t, klass == nil, "Native klass is nil!")
hit := int16(0)
err = env.RegisterNative(klass, "NativeShort", func(E *Environment, O *Object) int16 {
return hit
})
fatalIf(t, err != nil, "RegisterNative threw an exception", err)
obj, err := env.NewInstanceStr(NativeClass)
fatalIf(t, err != nil, "Couldn't instantiate NativeClass: %v", err)
fatalIf(t, obj == nil, "Instantiated NativeClass is nil")
ok, err := obj.CallShort(env, false, "NativeShort")
fatalIf(t, err != nil, "Couldn't call NativeClass.NativeBool(): %v", err)
fatalIf(t, ok != hit, "NativeShort got wrong value: %d", ok)
hit = -5128
ok, err = obj.CallShort(env, false, "NativeShort")
fatalIf(t, err != nil, "Couldn't call NativeClass.NativeBool(): %v", err)
fatalIf(t, ok != hit, "NativeShort got wrong value: %d", ok)
}
func TestJVMNativeDoubleClass(t *testing.T) {
env := setupJVM(t)
//defer defMute(env)()
klass, err := env.GetClassStr(NativeClass)
fatalIf(t, err != nil, "Native threw an exception", err)
fatalIf(t, klass == nil, "Native klass is nil!")
hit := float64(1234)
err = env.RegisterNative(klass, "NativeDouble", func(E *Environment, O *Object) float64 {
return hit
})
fatalIf(t, err != nil, "RegisterNative threw an exception", err)
obj, err := env.NewInstanceStr(NativeClass)
fatalIf(t, err != nil, "Couldn't instantiate NativeClass: %v", err)
defer env.DeleteLocalRef(obj)
fatalIf(t, obj == nil, "Instantiated NativeClass is nil")
ok, err := obj.CallDouble(env, false, "NativeDouble")
fatalIf(t, err != nil, "Couldn't call NativeClass.NativeDouble(): %v", err)
fatalIf(t, ok != hit, "NativeDouble got wrong value: %d", ok)
hit = float64(-125 / 7)
ok, err = obj.CallDouble(env, false, "NativeDouble")
fatalIf(t, err != nil, "Couldn't call NativeClass.NativeDouble(): %v", err)
fatalIf(t, ok != hit, "NativeDouble got wrong value: %d", ok)
}
func TestJVMNativeStringClass(t *testing.T) {
env := setupJVM(t)
//defer defMute(env)()
klass, err := env.GetClassStr(NativeClass)
fatalIf(t, err != nil, "Native threw an exception", err)
fatalIf(t, klass == nil, "Native klass is nil!")
s := "test-string"
err = env.RegisterNative(klass, "NativeString", func(E *Environment, O *Object) string {
return s
})
fatalIf(t, err != nil, "RegisterNative threw an exception", err)
obj, err := env.NewInstanceStr(NativeClass)
fatalIf(t, err != nil, "Couldn't instantiate NativeClass: %v", err)
fatalIf(t, obj == nil, "Instantiated NativeClass is nil")
ok, _, err := obj.CallString(env, false, "NativeString")
fatalIf(t, err != nil, "Couldn't call NativeClass.NativeString(): %v", err)
fatalIf(t, ok != s, "NativeString got wrong value: %d", ok)
s = "testStr2"
ok, _, err = obj.CallString(env, false, "NativeString")
fatalIf(t, err != nil, "Couldn't call NativeClass.NativeString(): %v", err)
fatalIf(t, ok != s, "NativeString got wrong value: %d", ok)
}
func BenchmarkJVMNativePing(b *testing.B) {
env := setupJVM(nil)
//defer defMute(env)()
// We mute expected exceptions because otherwise the test looks sloppy (and FAILS are hard to see)
nativePings := 0
klass, err := env.GetClassStr(NativeClass)
if err != nil {
print("benchmark failed: ", err.Error(), "\n")
return
}
err = env.UnregisterNatives(klass)
if err != nil {
print("benchmark failed: ", err.Error(), "\n")
return
}
err = env.RegisterNative(klass, "NativePing", func(E *Environment, O *Object) {
nativePings += 1
})
if err != nil {
print("benchmark failed: ", err.Error(), "\n")
return
}
obj, err := env.NewInstanceStr(NativeClass)
if err != nil {
print("benchmark failed: ", err.Error(), "\n")
return
}
ll := int64(0)
for i := 0; i < b.N; i++ {
obj.CallVoid(env, false, "NativePing")
ll += 1
}
env.DeleteLocalRef(obj)
b.SetBytes(ll)
}