package compiler_test import ( "math/big" "testing" "github.com/stretchr/testify/require" ) func TestInit(t *testing.T) { t.Run("Simple", func(t *testing.T) { src := `package foo var a int func init() { a = 42 } func Main() int { return a }` eval(t, src, big.NewInt(42)) }) t.Run("Multi", func(t *testing.T) { src := `package foo var m = map[int]int{} var a = 2 func init() { m[1] = 11 } func init() { a = 1 m[3] = 30 } func Main() int { return m[1] + m[3] + a }` eval(t, src, big.NewInt(42)) }) t.Run("WithCall", func(t *testing.T) { src := `package foo var m = map[int]int{} func init() { initMap(m) } func initMap(m map[int]int) { m[11] = 42 } func Main() int { return m[11] }` eval(t, src, big.NewInt(42)) }) t.Run("InvalidSignature", func(t *testing.T) { src := `package foo type Foo int var a int func (f Foo) init() { a = 2 } func Main() int { return a }` eval(t, src, big.NewInt(0)) }) } func TestImportOrder(t *testing.T) { t.Run("1,2", func(t *testing.T) { src := `package foo import _ "github.com/nspcc-dev/neo-go/pkg/compiler/testdata/pkg1" import _ "github.com/nspcc-dev/neo-go/pkg/compiler/testdata/pkg2" import "github.com/nspcc-dev/neo-go/pkg/compiler/testdata/pkg3" func Main() int { return pkg3.A }` eval(t, src, big.NewInt(2)) }) t.Run("2,1", func(t *testing.T) { src := `package foo import _ "github.com/nspcc-dev/neo-go/pkg/compiler/testdata/pkg2" import _ "github.com/nspcc-dev/neo-go/pkg/compiler/testdata/pkg1" import "github.com/nspcc-dev/neo-go/pkg/compiler/testdata/pkg3" func Main() int { return pkg3.A }` eval(t, src, big.NewInt(1)) }) t.Run("InitializeOnce", func(t *testing.T) { src := `package foo import "github.com/nspcc-dev/neo-go/pkg/compiler/testdata/pkg3" var A = pkg3.A func Main() int { return A }` eval(t, src, big.NewInt(3)) }) } func TestInitWithNoGlobals(t *testing.T) { src := `package foo import "github.com/nspcc-dev/neo-go/pkg/interop/runtime" func init() { runtime.Notify("called in '_initialize'") } func Main() int { return 42 }` v, s := vmAndCompileInterop(t, src) require.NoError(t, v.Run()) assertResult(t, v, big.NewInt(42)) require.True(t, len(s.events) == 1) }