package vm_test import ( "math/big" "testing" "github.com/CityOfZion/neo-go/pkg/vm" ) func TestEntryPointWithMethod(t *testing.T) { src := ` package foo func Main(op string) int { if op == "a" { return 1 } return 0 } ` evalWithArgs(t, src, []byte("a"), nil, big.NewInt(1)) } func TestEntryPointWithArgs(t *testing.T) { src := ` package foo func Main(args []interface{}) int { return 2 + args[1].(int) } ` args := []vm.StackItem{vm.NewBigIntegerItem(0), vm.NewBigIntegerItem(1)} evalWithArgs(t, src, nil, args, big.NewInt(3)) } func TestEntryPointWithMethodAndArgs(t *testing.T) { src := ` package foo func Main(method string, args []interface{}) int { if method == "foobar" { return 2 + args[1].(int) } return 0 } ` args := []vm.StackItem{vm.NewBigIntegerItem(0), vm.NewBigIntegerItem(1)} evalWithArgs(t, src, []byte("foobar"), args, big.NewInt(3)) } func TestArrayFieldInStruct(t *testing.T) { src := ` package foo type Bar struct { arr []int } func Main() int { b := Bar{ arr: []int{0, 1, 2}, } x := b.arr[2] return x + 2 } ` eval(t, src, big.NewInt(4)) } func TestArrayItemGetIndexBinaryExpr(t *testing.T) { src := ` package foo func Main() int { x := 1 y := []int{0, 1, 2} return y[x + 1] } ` eval(t, src, big.NewInt(2)) } func TestArrayItemGetIndexIdent(t *testing.T) { src := ` package foo func Main() int { x := 1 y := []int{0, 1, 2} return y[x] } ` eval(t, src, big.NewInt(1)) } func TestArrayItemBinExpr(t *testing.T) { src := ` package foo func Main() int { x := []int{0, 1, 2} return x[1] + 10 } ` eval(t, src, big.NewInt(11)) } func TestArrayItemReturn(t *testing.T) { src := ` package foo func Main() int { arr := []int{0, 1, 2} return arr[1] } ` eval(t, src, big.NewInt(1)) } func TestArrayItemAssign(t *testing.T) { src := ` package foo func Main() int { arr := []int{1, 2, 3} y := arr[0] return y } ` eval(t, src, big.NewInt(1)) } func TestStringArray(t *testing.T) { src := ` package foo func Main() []string { x := []string{"foo", "bar", "foobar"} return x } ` eval(t, src, []vm.StackItem{ vm.NewByteArrayItem([]byte("foo")), vm.NewByteArrayItem([]byte("bar")), vm.NewByteArrayItem([]byte("foobar")), }) } func TestIntArray(t *testing.T) { src := ` package foo func Main() []int { arr := []int{1, 2, 3} return arr } ` eval(t, src, []vm.StackItem{ vm.NewBigIntegerItem(1), vm.NewBigIntegerItem(2), vm.NewBigIntegerItem(3), }) } func TestArrayLen(t *testing.T) { src := ` package foo func Main() int { arr := []int{0, 1, 2} return len(arr) } ` eval(t, src, big.NewInt(3)) } func TestStringLen(t *testing.T) { src := ` package foo func Main() int { str := "this is medium sized string" return len(str) } ` eval(t, src, big.NewInt(27)) } func TestByteArrayLen(t *testing.T) { src := ` package foo func Main() int { b := []byte{0x00, 0x01, 0x2} return len(b) } ` eval(t, src, big.NewInt(3)) } func TestSimpleString(t *testing.T) { src := ` package foo func Main() string { x := "NEO" return x } ` eval(t, src, vm.NewByteArrayItem([]byte("NEO")).Value()) } func TestBoolAssign(t *testing.T) { src := ` package foo func Main() bool { x := true return x } ` eval(t, src, big.NewInt(1)) } func TestBoolCompare(t *testing.T) { src := ` package foo func Main() int { x := true if x { return 10 } return 0 } ` eval(t, src, big.NewInt(10)) } func TestBoolCompareVerbose(t *testing.T) { src := ` package foo func Main() int { x := true if x == true { return 10 } return 0 } ` eval(t, src, big.NewInt(10)) } func TestUnaryExpr(t *testing.T) { src := ` package foo func Main() bool { x := false return !x } ` eval(t, src, true) } func TestIfUnaryInvertPass(t *testing.T) { src := ` package foo func Main() int { x := false if !x { return 10 } return 0 } ` eval(t, src, big.NewInt(10)) } func TestIfUnaryInvert(t *testing.T) { src := ` package foo func Main() int { x := true if !x { return 10 } return 0 } ` eval(t, src, big.NewInt(0)) } func TestAppendByte(t *testing.T) { src := ` package foo func Main() []byte { arr := []byte{0x00, 0x01, 0x02} arr = append(arr, 0x03) arr = append(arr, 0x04) arr = append(arr, 0x05) arr = append(arr, 0x06) return arr } ` eval(t, src, []uint8{0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06}) } func TestAppendString(t *testing.T) { src := ` package foo func Main() string { arr := []string{"a", "b", "c"} arr = append(arr, "d") return arr[3] } ` eval(t, src, vm.NewByteArrayItem([]byte("d")).Value()) } func TestAppendInt(t *testing.T) { src := ` package foo func Main() int { arr := []int{0, 1, 2} arr = append(arr, 3) return arr[3] } ` eval(t, src, big.NewInt(3)) } func TestClassicForLoop(t *testing.T) { src := ` package foo func Main() int { x := 0 for i := 0; i < 10; i++ { x = i } return x } ` eval(t, src, big.NewInt(9)) } func TestInc(t *testing.T) { src := ` package foo func Main() int { x := 0 x++ return x } ` eval(t, src, big.NewInt(1)) } func TestDec(t *testing.T) { src := ` package foo func Main() int { x := 2 x-- return x } ` eval(t, src, big.NewInt(1)) } func TestForLoopBigIter(t *testing.T) { src := ` package foo func Main() int { x := 0 for i := 0; i < 100000; i++ { x = i } return x } ` eval(t, src, big.NewInt(99999)) }