forked from TrueCloudLab/neoneo-go
5d578fdd95
We need to search for "append" argument type info not only inside local package type info map, but also inside the inlined type info map. Close #2696.
445 lines
12 KiB
Go
445 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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"strings"
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"testing"
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"github.com/nspcc-dev/neo-go/pkg/compiler"
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"github.com/nspcc-dev/neo-go/pkg/vm/opcode"
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"github.com/stretchr/testify/require"
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)
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func checkCallCount(t *testing.T, src string, expectedCall, expectedInitSlot, expectedLocalsMain int) {
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checkInstrCount(t, src, -1, expectedCall, expectedInitSlot, expectedLocalsMain)
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}
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func checkInstrCount(t *testing.T, src string, expectedSSlotCount, expectedCall, expectedInitSlot, expectedLocalsMain int) {
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v, sp, _ := vmAndCompileInterop(t, src)
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mainStart := -1
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for _, m := range sp.info.Methods {
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if m.Name.Name == "main" {
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mainStart = int(m.Range.Start)
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}
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}
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require.True(t, mainStart >= 0)
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ctx := v.Context()
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actualCall := 0
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actualInitSlot := 0
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for op, param, err := ctx.Next(); ; op, param, err = ctx.Next() {
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require.NoError(t, err)
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switch op {
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case opcode.INITSSLOT:
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if expectedSSlotCount == -1 {
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continue
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}
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if expectedSSlotCount == 0 {
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t.Fatalf("no INITSSLOT expected, found at %d with %d cells", ctx.IP(), param[0])
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}
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require.Equal(t, expectedSSlotCount, int(param[0]))
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case opcode.CALL, opcode.CALLL:
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actualCall++
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case opcode.INITSLOT:
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actualInitSlot++
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if ctx.IP() == mainStart && expectedLocalsMain >= 0 {
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require.Equal(t, expectedLocalsMain, int(param[0]))
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}
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}
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if ctx.IP() == ctx.LenInstr() {
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break
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}
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}
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if expectedCall != -1 {
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require.Equal(t, expectedCall, actualCall)
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}
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if expectedInitSlot != -1 {
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require.Equal(t, expectedInitSlot, actualInitSlot)
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}
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}
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func TestInline(t *testing.T) {
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srcTmpl := `package foo
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import "github.com/nspcc-dev/neo-go/pkg/compiler/testdata/inline"
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import "github.com/nspcc-dev/neo-go/pkg/compiler/testdata/foo"
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var _ = foo.Dummy
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type pair struct { a, b int }
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type triple struct {
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a int
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b pair
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}
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var Num = 1
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func Main() int {
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%s
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}
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// local alias
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func sum(a, b int) int {
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return 42
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}`
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t.Run("no return", func(t *testing.T) {
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src := fmt.Sprintf(srcTmpl, `inline.NoArgsNoReturn()
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return 1`)
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checkCallCount(t, src, 0, 0, 0)
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eval(t, src, big.NewInt(1))
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})
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t.Run("has return, dropped", func(t *testing.T) {
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src := fmt.Sprintf(srcTmpl, `inline.NoArgsReturn1()
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return 2`)
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checkCallCount(t, src, 0, 0, 0)
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eval(t, src, big.NewInt(2))
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})
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t.Run("drop twice", func(t *testing.T) {
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src := fmt.Sprintf(srcTmpl, `inline.DropInsideInline()
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return 42`)
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checkCallCount(t, src, 0, 0, 0)
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eval(t, src, big.NewInt(42))
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})
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t.Run("no args return 1", func(t *testing.T) {
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src := fmt.Sprintf(srcTmpl, `return inline.NoArgsReturn1()`)
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checkCallCount(t, src, 0, 0, 0)
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eval(t, src, big.NewInt(1))
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})
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t.Run("sum", func(t *testing.T) {
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src := fmt.Sprintf(srcTmpl, `return inline.Sum(1, 2)`)
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checkCallCount(t, src, 0, 0, 0)
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eval(t, src, big.NewInt(3))
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})
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t.Run("sum squared (nested inline)", func(t *testing.T) {
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src := fmt.Sprintf(srcTmpl, `return inline.SumSquared(1, 2)`)
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checkCallCount(t, src, 0, 0, 0)
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eval(t, src, big.NewInt(9))
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})
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t.Run("inline function in inline function parameter", func(t *testing.T) {
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src := fmt.Sprintf(srcTmpl, `return inline.Sum(inline.SumSquared(1, 2), inline.Sum(3, 4))`)
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checkCallCount(t, src, 0, 1, 2)
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eval(t, src, big.NewInt(9+3+4))
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})
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t.Run("global name clash", func(t *testing.T) {
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src := fmt.Sprintf(srcTmpl, `return inline.GetSumSameName()`)
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checkCallCount(t, src, 0, 0, 0)
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eval(t, src, big.NewInt(42))
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})
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t.Run("local name clash", func(t *testing.T) {
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src := fmt.Sprintf(srcTmpl, `return inline.Sum(inline.SumSquared(1, 2), sum(3, 4))`)
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checkCallCount(t, src, 1, 2, 2)
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eval(t, src, big.NewInt(51))
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})
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t.Run("var args, empty", func(t *testing.T) {
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src := fmt.Sprintf(srcTmpl, `return inline.VarSum(11)`)
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checkCallCount(t, src, 0, 1, 3)
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eval(t, src, big.NewInt(11))
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})
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t.Run("var args, direct", func(t *testing.T) {
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src := fmt.Sprintf(srcTmpl, `return inline.VarSum(11, 14, 17)`)
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checkCallCount(t, src, 0, 1, 3)
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eval(t, src, big.NewInt(42))
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})
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t.Run("var args, array", func(t *testing.T) {
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src := fmt.Sprintf(srcTmpl, `arr := []int{14, 17}
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return inline.VarSum(11, arr...)`)
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checkCallCount(t, src, 0, 1, 3)
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eval(t, src, big.NewInt(42))
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})
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t.Run("globals", func(t *testing.T) {
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src := fmt.Sprintf(srcTmpl, `return inline.Concat(Num)`)
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checkCallCount(t, src, 0, 0, 0)
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eval(t, src, big.NewInt(221))
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})
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t.Run("locals, alias", func(t *testing.T) {
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src := fmt.Sprintf(srcTmpl, `num := 1; return inline.Concat(num)`)
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checkCallCount(t, src, 0, 1, 1)
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eval(t, src, big.NewInt(221))
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})
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t.Run("selector, global", func(t *testing.T) {
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src := fmt.Sprintf(srcTmpl, `return inline.Sum(inline.A, 2)`)
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checkCallCount(t, src, 0, 0, 0)
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eval(t, src, big.NewInt(3))
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})
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t.Run("selector, struct, simple", func(t *testing.T) {
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src := fmt.Sprintf(srcTmpl, `x := pair{a: 1, b: 2}; return inline.Sum(x.b, 1)`)
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checkCallCount(t, src, 0, 1, 1)
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eval(t, src, big.NewInt(3))
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})
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t.Run("selector, struct, complex", func(t *testing.T) {
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src := fmt.Sprintf(srcTmpl, `x := triple{a: 1, b: pair{a: 2, b: 3}}
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return inline.Sum(x.b.a, 1)`)
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checkCallCount(t, src, 0, 1, 1)
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eval(t, src, big.NewInt(3))
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})
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t.Run("expression", func(t *testing.T) {
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src := fmt.Sprintf(srcTmpl, `x, y := 1, 2
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return inline.Sum(x+y, y*2)`)
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checkCallCount(t, src, 0, 1, 2)
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eval(t, src, big.NewInt(7))
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})
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t.Run("foreign package call", func(t *testing.T) {
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src := fmt.Sprintf(srcTmpl, `return inline.Sum(foo.Bar(), foo.Dummy+1)`)
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checkCallCount(t, src, 1, 1, 1)
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eval(t, src, big.NewInt(3))
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})
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}
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func TestIssue1879(t *testing.T) {
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src := `package foo
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import "github.com/nspcc-dev/neo-go/pkg/interop/runtime"
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func Main() int {
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data := "main is called"
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runtime.Log("log " + string(data))
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return 42
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}`
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checkCallCount(t, src, 0, 1, 1)
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}
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func TestInlineInLoop(t *testing.T) {
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t.Run("simple", func(t *testing.T) {
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src := `package foo
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import "github.com/nspcc-dev/neo-go/pkg/interop/storage"
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import "github.com/nspcc-dev/neo-go/pkg/compiler/testdata/inline"
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func Main() int {
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sum := 0
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values := []int{10, 11}
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for _, v := range values {
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_ = v // use 'v'
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storage.GetContext() // push something on stack to check it's dropped
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sum += inline.VarSum(1, 2, 3, 4)
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}
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return sum
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}`
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eval(t, src, big.NewInt(20))
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})
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t.Run("inlined argument", func(t *testing.T) {
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src := `package foo
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import "github.com/nspcc-dev/neo-go/pkg/interop/runtime"
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import "github.com/nspcc-dev/neo-go/pkg/interop/storage"
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import "github.com/nspcc-dev/neo-go/pkg/compiler/testdata/inline"
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func Main() int {
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sum := 0
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values := []int{10, 11}
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for _, v := range values {
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_ = v // use 'v'
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storage.GetContext() // push something on stack to check it's dropped
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sum += inline.VarSum(1, 2, 3, runtime.GetTime()) // runtime.GetTime always returns 4 in these tests
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}
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return sum
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}`
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eval(t, src, big.NewInt(20))
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})
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t.Run("check clean stack on return", func(t *testing.T) {
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src := `package foo
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import "github.com/nspcc-dev/neo-go/pkg/interop/storage"
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import "github.com/nspcc-dev/neo-go/pkg/compiler/testdata/inline"
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func Main() int {
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values := []int{10, 11, 12}
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for _, v := range values {
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storage.GetContext() // push something on stack to check it's dropped
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if v == 11 {
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return inline.VarSum(2, 20, 200)
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}
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}
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return 0
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}`
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eval(t, src, big.NewInt(222))
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})
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}
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func TestInlineInSwitch(t *testing.T) {
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src := `package foo
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import "github.com/nspcc-dev/neo-go/pkg/compiler/testdata/inline"
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func Main() int {
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switch inline.VarSum(1, 2) {
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case inline.VarSum(3, 1):
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return 10
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case inline.VarSum(4, -1):
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return 11
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default:
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return 12
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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 TestInlineGlobalVariable(t *testing.T) {
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t.Run("simple", func(t *testing.T) {
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src := `package foo
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import "github.com/nspcc-dev/neo-go/pkg/compiler/testdata/inline"
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var a = inline.Sum(1, 2)
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func Main() int {
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return a
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}`
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eval(t, src, big.NewInt(3))
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})
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t.Run("complex", func(t *testing.T) {
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src := `package foo
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import "github.com/nspcc-dev/neo-go/pkg/compiler/testdata/inline"
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var a = inline.Sum(3, 4)
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var b = inline.SumSquared(1, 2)
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var c = a + b
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func init() {
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c--
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}
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func Main() int {
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return c
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}`
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eval(t, src, big.NewInt(15))
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})
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}
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func TestInlineVariadicInInlinedCall(t *testing.T) {
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src := `package foo
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import "github.com/nspcc-dev/neo-go/pkg/compiler/testdata/inline"
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func Main() int {
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return inline.SumSquared(inline.SumVar(3, 4) - 2, 3)
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}`
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eval(t, src, big.NewInt(64))
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}
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func TestInlineConversion(t *testing.T) {
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src1 := `package foo
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import "github.com/nspcc-dev/neo-go/pkg/compiler/testdata/inline"
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var _ = inline.A
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func Main() int {
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a := 2
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return inline.SumSquared(1, a)
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}`
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b1, err := compiler.Compile("foo.go", strings.NewReader(src1))
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require.NoError(t, err)
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src2 := `package foo
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import "github.com/nspcc-dev/neo-go/pkg/compiler/testdata/inline"
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var _ = inline.A
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func Main() int {
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a := 2
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{
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return (1 + a) * (1 + a)
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}
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}`
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b2, err := compiler.Compile("foo.go", strings.NewReader(src2))
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require.NoError(t, err)
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require.Equal(t, b2, b1)
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}
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func TestInlineConversionQualified(t *testing.T) {
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src1 := `package foo
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import "github.com/nspcc-dev/neo-go/pkg/compiler/testdata/inline"
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var A = 1
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func Main() int {
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return inline.Concat(A)
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}`
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b1, err := compiler.Compile("foo.go", strings.NewReader(src1))
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require.NoError(t, err)
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src2 := `package foo
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import "github.com/nspcc-dev/neo-go/pkg/compiler/testdata/inline"
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import "github.com/nspcc-dev/neo-go/pkg/compiler/testdata/inline/b"
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var A = 1
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func Main() int {
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return A * 100 + b.A * 10 + inline.A
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}`
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b2, err := compiler.Compile("foo.go", strings.NewReader(src2))
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require.NoError(t, err)
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require.Equal(t, b2, b1)
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}
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func TestPackageVarsInInlinedCalls(t *testing.T) {
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src := `package foo
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import "github.com/nspcc-dev/neo-go/pkg/compiler/testdata/inline"
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import "github.com/nspcc-dev/neo-go/pkg/compiler/testdata/inline/b"
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func Main() int {
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return inline.Sum(inline.A, b.A)
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}`
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eval(t, src, big.NewInt(13))
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}
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func TestInlinedMethod(t *testing.T) {
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src := `package foo
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import "github.com/nspcc-dev/neo-go/pkg/compiler/testdata/inline"
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func Main() int {
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// It's important for this variable to not be named 't'.
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var z inline.T
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i := z.Inc(42)
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if i != 0 || z.N != 42 {
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return 0
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}
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i = z.Inc(100500)
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if i != 42 {
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return 0
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}
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return z.N
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}`
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eval(t, src, big.NewInt(100542))
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}
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func TestInlinedMethodWithPointer(t *testing.T) {
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src := `package foo
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import "github.com/nspcc-dev/neo-go/pkg/compiler/testdata/inline"
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func Main() int {
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// It's important for this variable to not be named 't'.
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var z = &inline.T{}
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i := z.Inc(42)
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if i != 0 || z.N != 42 {
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return 0
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}
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i = z.Inc(100500)
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if i != 42 {
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return 0
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}
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return z.N
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}`
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eval(t, src, big.NewInt(100542))
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}
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func TestInlineConditionalReturn(t *testing.T) {
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srcTmpl := `package foo
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import "github.com/nspcc-dev/neo-go/pkg/compiler/testdata/inline/c"
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func Main() int {
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x := %d
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if c.Is42(x) {
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return 100
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}
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return 10
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}`
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t.Run("true", func(t *testing.T) {
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eval(t, fmt.Sprintf(srcTmpl, 123), big.NewInt(10))
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})
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t.Run("false", func(t *testing.T) {
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eval(t, fmt.Sprintf(srcTmpl, 42), big.NewInt(100))
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})
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}
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func TestInlineDoubleConditionalReturn(t *testing.T) {
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srcTmpl := `package foo
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import "github.com/nspcc-dev/neo-go/pkg/compiler/testdata/inline/c"
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func Main() int {
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return c.Transform(%d, %d)
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}`
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testCase := []struct {
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name string
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a, b, result int
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}{
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{"true, true, small", 42, 3, 6},
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{"true, true, big", 42, 15, 15},
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{"true, false", 42, 42, 42},
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{"false, true", 3, 11, 6},
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{"false, false", 3, 42, 6},
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}
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for _, tc := range testCase {
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t.Run(tc.name, func(t *testing.T) {
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eval(t, fmt.Sprintf(srcTmpl, tc.a, tc.b), big.NewInt(int64(tc.result)))
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})
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}
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}
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func TestInlineAppendStatement(t *testing.T) {
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src := `package foo
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import "github.com/nspcc-dev/neo-go/pkg/compiler/testdata/inline"
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func Main() []byte {
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val := []byte{4, 5, 6}
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return inline.AppendInsideInline(val)
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}`
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eval(t, src, []byte{1, 2, 3, 4, 5, 6})
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}
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