801 lines
12 KiB
Go
801 lines
12 KiB
Go
package compiler_test
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import (
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"fmt"
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"math/big"
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"testing"
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"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
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)
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func TestEntryPointWithMethod(t *testing.T) {
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src := `
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package foo
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func Main(op string) int {
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if op == "a" {
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return 1
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}
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return 0
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}
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`
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evalWithArgs(t, src, []byte("a"), nil, big.NewInt(1))
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}
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func TestEntryPointWithArgs(t *testing.T) {
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src := `
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package foo
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func Main(args []interface{}) int {
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return 2 + args[1].(int)
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}
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`
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args := []stackitem.Item{stackitem.NewBigInteger(big.NewInt(0)), stackitem.NewBigInteger(big.NewInt(1))}
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evalWithArgs(t, src, nil, args, big.NewInt(3))
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}
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func TestEntryPointWithMethodAndArgs(t *testing.T) {
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src := `
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package foo
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func Main(method string, args []interface{}) int {
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if method == "foobar" {
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return 2 + args[1].(int)
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}
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return 0
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}
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`
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args := []stackitem.Item{stackitem.NewBigInteger(big.NewInt(0)), stackitem.NewBigInteger(big.NewInt(1))}
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evalWithArgs(t, src, []byte("foobar"), args, big.NewInt(3))
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}
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func TestArrayFieldInStruct(t *testing.T) {
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src := `
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package foo
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type Bar struct {
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arr []int
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}
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func Main() int {
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b := Bar{
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arr: []int{0, 1, 2},
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}
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x := b.arr[2]
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return x + 2
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}
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`
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eval(t, src, big.NewInt(4))
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}
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func TestArrayItemGetIndexBinaryExpr(t *testing.T) {
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src := `
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package foo
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func Main() int {
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x := 1
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y := []int{0, 1, 2}
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return y[x + 1]
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}
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`
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eval(t, src, big.NewInt(2))
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}
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func TestArrayItemGetIndexIdent(t *testing.T) {
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src := `
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package foo
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func Main() int {
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x := 1
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y := []int{0, 1, 2}
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return y[x]
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}
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`
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eval(t, src, big.NewInt(1))
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}
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func TestArrayItemBinExpr(t *testing.T) {
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src := `
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package foo
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func Main() int {
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x := []int{0, 1, 2}
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return x[1] + 10
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}
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`
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eval(t, src, big.NewInt(11))
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}
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func TestArrayItemReturn(t *testing.T) {
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src := `
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package foo
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func Main() int {
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arr := []int{0, 1, 2}
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return arr[1]
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}
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`
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eval(t, src, big.NewInt(1))
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}
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func TestArrayItemAssign(t *testing.T) {
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src := `
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package foo
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func Main() int {
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arr := []int{1, 2, 3}
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y := arr[0]
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return y
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}
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`
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eval(t, src, big.NewInt(1))
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}
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func TestStringArray(t *testing.T) {
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src := `
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package foo
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func Main() []string {
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x := []string{"foo", "bar", "foobar"}
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return x
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}
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`
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eval(t, src, []stackitem.Item{
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stackitem.NewByteArray([]byte("foo")),
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stackitem.NewByteArray([]byte("bar")),
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stackitem.NewByteArray([]byte("foobar")),
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})
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}
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func TestIntArray(t *testing.T) {
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src := `
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package foo
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func Main() []int {
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arr := []int{1, 2, 3}
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return arr
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}
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`
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eval(t, src, []stackitem.Item{
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stackitem.NewBigInteger(big.NewInt(1)),
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stackitem.NewBigInteger(big.NewInt(2)),
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stackitem.NewBigInteger(big.NewInt(3)),
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})
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}
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func TestArrayLen(t *testing.T) {
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src := `
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package foo
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func Main() int {
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arr := []int{0, 1, 2}
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return len(arr)
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}
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`
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eval(t, src, big.NewInt(3))
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}
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func TestStringLen(t *testing.T) {
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src := `
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package foo
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func Main() int {
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str := "this is medium sized string"
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return len(str)
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}
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`
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eval(t, src, big.NewInt(27))
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}
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func TestByteArrayLen(t *testing.T) {
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src := `
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package foo
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func Main() int {
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b := []byte{0x00, 0x01, 0x2}
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return len(b)
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}
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`
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eval(t, src, big.NewInt(3))
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}
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func TestSimpleString(t *testing.T) {
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src := `
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package foo
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func Main() string {
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x := "NEO"
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return x
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}
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`
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eval(t, src, stackitem.NewByteArray([]byte("NEO")).Value())
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}
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func TestBoolAssign(t *testing.T) {
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src := `
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package foo
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func Main() bool {
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x := true
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return x
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}
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`
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eval(t, src, big.NewInt(1))
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}
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func TestBoolCompare(t *testing.T) {
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src := `
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package foo
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func Main() int {
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x := true
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if x {
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return 10
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}
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return 0
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}
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`
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eval(t, src, big.NewInt(10))
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}
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func TestBoolCompareVerbose(t *testing.T) {
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src := `
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package foo
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func Main() int {
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x := true
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if x == true {
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return 10
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}
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return 0
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}
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`
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eval(t, src, big.NewInt(10))
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}
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func TestUnaryExpr(t *testing.T) {
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src := `
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package foo
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func Main() bool {
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x := false
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return !x
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}
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`
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eval(t, src, true)
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}
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func TestIfUnaryInvertPass(t *testing.T) {
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src := `
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package foo
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func Main() int {
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x := false
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if !x {
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return 10
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}
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return 0
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}
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`
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eval(t, src, big.NewInt(10))
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}
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func TestIfUnaryInvert(t *testing.T) {
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src := `
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package foo
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func Main() int {
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x := true
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if !x {
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return 10
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}
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return 0
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}
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`
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eval(t, src, big.NewInt(0))
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}
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func TestAppendByte(t *testing.T) {
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src := `
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package foo
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func Main() []byte {
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arr := []byte{0x00, 0x01, 0x02}
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arr = append(arr, 0x03)
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arr = append(arr, 0x04)
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arr = append(arr, 0x05)
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arr = append(arr, 0x06)
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return arr
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}
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`
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eval(t, src, []uint8{0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06})
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}
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func TestAppendByteToEmpty(t *testing.T) {
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src := `
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package foo
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func Main() []byte {
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out := []byte{}
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out = append(out, 1)
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out = append(out, 2)
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return out
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}`
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eval(t, src, []byte{1, 2})
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}
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func TestAppendString(t *testing.T) {
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src := `
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package foo
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func Main() string {
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arr := []string{"a", "b", "c"}
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arr = append(arr, "d")
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return arr[3]
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}
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`
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eval(t, src, stackitem.NewByteArray([]byte("d")).Value())
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}
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func TestAppendInt(t *testing.T) {
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src := `
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package foo
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func Main() int {
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arr := []int{0, 1, 2}
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arr = append(arr, 3)
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return arr[3]
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}
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`
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eval(t, src, big.NewInt(3))
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}
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func TestClassicForLoop(t *testing.T) {
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src := `
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package foo
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func Main() int {
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x := 0
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for i := 0; i < 10; i++ {
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x = i
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}
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return x
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}
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`
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eval(t, src, big.NewInt(9))
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}
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func TestInc(t *testing.T) {
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src := `
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package foo
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func Main() int {
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x := 0
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x++
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return x
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}
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`
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eval(t, src, big.NewInt(1))
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}
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func TestDec(t *testing.T) {
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src := `
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package foo
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func Main() int {
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x := 2
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x--
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return x
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}
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`
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eval(t, src, big.NewInt(1))
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}
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func TestForLoopEmpty(t *testing.T) {
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src := `
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package foo
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func Main() int {
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x := 0
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for {
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x++
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if x == 2 {
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break
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}
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}
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return x
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}
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`
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eval(t, src, big.NewInt(2))
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}
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func TestForLoopBigIter(t *testing.T) {
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src := `
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package foo
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func Main() int {
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x := 0
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for i := 0; i < 100000; i++ {
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x = i
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}
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return x
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}
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`
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eval(t, src, big.NewInt(99999))
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}
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func TestForLoopNoInit(t *testing.T) {
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src := `
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package foo
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func Main() int {
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i := 0
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for ; i < 10; i++ {
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}
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return i
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}
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`
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eval(t, src, big.NewInt(10))
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}
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func TestForLoopNoPost(t *testing.T) {
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src := `
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package foo
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func Main() int {
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i := 0
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for i < 10 {
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i++
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}
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return i
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}
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`
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eval(t, src, big.NewInt(10))
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}
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func TestForLoopRange(t *testing.T) {
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src := `
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package foo
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func Main() int {
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sum := 0
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arr := []int{1, 2, 3}
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for i := range arr {
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sum += arr[i]
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}
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return sum
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}`
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eval(t, src, big.NewInt(6))
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}
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func TestForLoopRangeGlobalIndex(t *testing.T) {
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src := `
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package foo
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func Main() int {
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sum := 0
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i := 0
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arr := []int{1, 2, 3}
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for i = range arr {
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sum += arr[i]
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}
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return sum + i
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}`
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eval(t, src, big.NewInt(8))
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}
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func TestForLoopRangeChangeVariable(t *testing.T) {
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src := `
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package foo
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func Main() int {
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sum := 0
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arr := []int{1, 2, 3}
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for i := range arr {
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sum += arr[i]
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i++
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sum += i
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}
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return sum
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}`
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eval(t, src, big.NewInt(12))
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}
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func TestForLoopBreak(t *testing.T) {
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src := `
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package foo
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func Main() int {
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var i int
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for i < 10 {
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i++
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if i == 5 {
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break
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}
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}
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return i
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}`
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eval(t, src, big.NewInt(5))
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}
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func TestForLoopBreakLabel(t *testing.T) {
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src := `
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package foo
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func Main() int {
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var i int
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loop:
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for i < 10 {
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i++
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if i == 5 {
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break loop
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}
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}
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return i
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}`
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eval(t, src, big.NewInt(5))
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}
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func TestForLoopNestedBreak(t *testing.T) {
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src := `
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package foo
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func Main() int {
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var i int
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for i < 10 {
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i++
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for j := 0; j < 2; j++ {
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i++
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if i == 5 {
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break
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}
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}
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}
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return i
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}`
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eval(t, src, big.NewInt(11))
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}
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func TestForLoopNestedBreakLabel(t *testing.T) {
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src := `
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package foo
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func Main() int {
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var i int
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loop:
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for i < 10 {
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i++
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for j := 0; j < 2; j++ {
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if i == 5 {
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break loop
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}
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i++
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}
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}
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return i
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}`
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eval(t, src, big.NewInt(5))
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}
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func TestForLoopContinue(t *testing.T) {
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src := `
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package foo
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func Main() int {
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var i, j int
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for i < 10 {
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i++
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if i >= 5 {
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continue
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}
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j++
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}
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return j
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}`
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eval(t, src, big.NewInt(4))
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}
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func TestForLoopContinueLabel(t *testing.T) {
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src := `
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package foo
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func Main() int {
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var i, j int
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loop:
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for i < 10 {
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i++
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if i >= 5 {
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continue loop
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}
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j++
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}
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return j
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}`
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eval(t, src, big.NewInt(4))
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}
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func TestForLoopNestedContinue(t *testing.T) {
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src := `
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package foo
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func Main() int {
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var i, k int
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for i < 10 {
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i++
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for j := 0; j < 3; j++ {
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if j >= 2 {
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continue
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}
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k++
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}
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}
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return k
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}`
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eval(t, src, big.NewInt(20))
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}
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func TestForLoopNestedContinueLabel(t *testing.T) {
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src := `
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package foo
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func Main() int {
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var i int
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loop:
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for ; i < 10; i += 10 {
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i++
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for j := 0; j < 4; j++ {
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if i == 5 {
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continue loop
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}
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i++
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}
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}
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return i
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}`
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eval(t, src, big.NewInt(15))
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}
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func TestForLoopRangeBreak(t *testing.T) {
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src := `
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package foo
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func Main() int {
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var i int
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arr := []int{1, 2, 3}
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for i = range arr {
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if arr[i] == 2 {
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break
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}
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}
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return i
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}`
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eval(t, src, big.NewInt(1))
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}
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func TestForLoopRangeNestedBreak(t *testing.T) {
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src := `
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package foo
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func Main() int {
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k := 5
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arr := []int{1, 2, 3}
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urr := []int{4, 5, 6, 7}
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loop:
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for range arr {
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k++
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for j := range urr {
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|
k++
|
|
if j == 3 {
|
|
break loop
|
|
}
|
|
}
|
|
}
|
|
return k
|
|
}`
|
|
|
|
eval(t, src, big.NewInt(10))
|
|
}
|
|
|
|
func TestForLoopRangeContinue(t *testing.T) {
|
|
src := `
|
|
package foo
|
|
func Main() int {
|
|
i := 6
|
|
arr := []int{1, 2, 3}
|
|
for j := range arr {
|
|
if arr[j] < 2 {
|
|
continue
|
|
}
|
|
i++
|
|
}
|
|
return i
|
|
}`
|
|
|
|
eval(t, src, big.NewInt(8))
|
|
}
|
|
|
|
func TestForLoopRangeNoVariable(t *testing.T) {
|
|
src := `
|
|
package foo
|
|
func Main() int {
|
|
sum := 0
|
|
arr := []int{1, 2, 3}
|
|
for range arr {
|
|
sum += 1
|
|
}
|
|
return sum
|
|
}`
|
|
|
|
eval(t, src, big.NewInt(3))
|
|
}
|
|
|
|
func TestForLoopRangeValue(t *testing.T) {
|
|
src := `
|
|
package foo
|
|
func f(a int) int { return a }
|
|
func Main() int {
|
|
var sum int
|
|
arr := []int{1, 9, 4}
|
|
for _, v := range arr {
|
|
sum += f(v)
|
|
}
|
|
return sum
|
|
}`
|
|
|
|
eval(t, src, big.NewInt(14))
|
|
}
|
|
|
|
func TestForLoopRangeMap(t *testing.T) {
|
|
src := `package foo
|
|
func Main() int {
|
|
m := map[int]int{
|
|
1: 13,
|
|
11: 17,
|
|
}
|
|
var sum int
|
|
for i, v := range m {
|
|
sum += i
|
|
sum += v
|
|
}
|
|
return sum
|
|
}`
|
|
|
|
eval(t, src, big.NewInt(42))
|
|
}
|
|
|
|
func TestForLoopRangeTypeConversion(t *testing.T) {
|
|
src := `package foo
|
|
type intArr []int
|
|
func Main() int {
|
|
a := []int{1, 2, 3}
|
|
s := 0
|
|
for _, v := range intArr(a) {
|
|
s += v
|
|
}
|
|
return s
|
|
}`
|
|
eval(t, src, big.NewInt(6))
|
|
}
|
|
|
|
func TestForLoopComplexConditions(t *testing.T) {
|
|
src := `
|
|
package foo
|
|
func Main() int {
|
|
var ok bool
|
|
_ = ok
|
|
i := 0
|
|
j := 0
|
|
%s
|
|
for %s {
|
|
i++
|
|
j++
|
|
%s
|
|
}
|
|
return i
|
|
}`
|
|
|
|
tests := []struct {
|
|
Name string
|
|
Cond string
|
|
Assign string
|
|
Result int64
|
|
}{
|
|
{Cond: "i < 3 && j < 2", Result: 2},
|
|
{Cond: "i < 3 || j < 2", Result: 3},
|
|
{Cond: "i < 3 && (j < 2 || i < 1)", Result: 2},
|
|
{Cond: "i < 3 && (j < 2 && i < 1)", Result: 1},
|
|
{Cond: "(i < 1 || j < 3) && (i < 3 || j < 1)", Result: 3},
|
|
{Cond: "(i < 2 && j < 4) || (i < 4 && j < 2)", Result: 2},
|
|
{Cond: "ok", Assign: "ok = i < 3 && j < 2", Result: 2},
|
|
{Cond: "ok", Assign: "ok = i < 3 || j < 2", Result: 3},
|
|
{Cond: "ok", Assign: "ok = i < 3 && (j < 2 || i < 1)", Result: 2},
|
|
{Cond: "ok", Assign: "ok = i < 3 && (j < 2 && i < 1)", Result: 1},
|
|
{Cond: "ok", Assign: "ok = (i < 1 || j < 3) && (i < 3 || j < 1)", Result: 3},
|
|
{Cond: "ok", Assign: "ok = (i < 2 && j < 4) || (i < 4 && j < 2)", Result: 2},
|
|
}
|
|
|
|
for _, tc := range tests {
|
|
name := tc.Cond
|
|
if tc.Assign != "" {
|
|
name = tc.Assign
|
|
}
|
|
t.Run(name, func(t *testing.T) {
|
|
s := fmt.Sprintf(src, tc.Assign, tc.Cond, tc.Assign)
|
|
eval(t, s, big.NewInt(tc.Result))
|
|
})
|
|
}
|
|
}
|