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https://github.com/nspcc-dev/neo-go.git
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b6b80f3abf
Properly load the provided method using NEF and hash specified. It allows to have NEF properly set in the VM context and handle CALLT instruction correctly. Signed-off-by: Anna Shaleva <shaleva.ann@nspcc.ru>
61 lines
1.8 KiB
Go
61 lines
1.8 KiB
Go
package vm
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import (
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"math/big"
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"testing"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract/callflag"
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"github.com/nspcc-dev/neo-go/pkg/util"
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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 TestVM_Debug(t *testing.T) {
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prog := makeProgram(opcode.CALL, 3, opcode.RET,
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opcode.PUSH2, opcode.PUSH3, opcode.ADD, opcode.RET)
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t.Run("BreakPoint", func(t *testing.T) {
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v := load(prog)
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v.AddBreakPoint(3)
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v.AddBreakPoint(5)
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require.NoError(t, v.Run())
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require.Equal(t, 3, v.Context().NextIP())
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require.NoError(t, v.Run())
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require.Equal(t, 5, v.Context().NextIP())
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require.NoError(t, v.Run())
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require.Equal(t, 1, v.estack.Len())
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require.Equal(t, big.NewInt(5), v.estack.Top().Value())
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})
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t.Run("StepInto", func(t *testing.T) {
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v := load(prog)
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require.NoError(t, v.StepInto())
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require.Equal(t, 3, v.Context().NextIP())
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require.NoError(t, v.StepOut())
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require.Equal(t, 2, v.Context().NextIP())
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require.Equal(t, 1, v.estack.Len())
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require.Equal(t, big.NewInt(5), v.estack.Top().Value())
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})
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t.Run("StepOver", func(t *testing.T) {
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v := load(prog)
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require.NoError(t, v.StepOver())
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require.Equal(t, 2, v.Context().NextIP())
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require.Equal(t, 1, v.estack.Len())
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require.Equal(t, big.NewInt(5), v.estack.Top().Value())
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})
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}
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func TestContext_BreakPoints(t *testing.T) {
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prog := makeProgram(opcode.CALL, 3, opcode.RET,
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opcode.PUSH2, opcode.PUSH3, opcode.ADD, opcode.RET)
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v := load(prog)
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v.AddBreakPoint(3)
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v.AddBreakPoint(5)
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require.Equal(t, []int{3, 5}, v.Context().BreakPoints())
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// Preserve the set of breakpoints on Call.
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v.Call(3)
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require.Equal(t, []int{3, 5}, v.Context().BreakPoints())
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// New context -> clean breakpoints.
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v.loadScriptWithCallingHash(prog, nil, util.Uint160{}, util.Uint160{}, callflag.All, 1, 3, nil)
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require.Equal(t, []int{}, v.Context().BreakPoints())
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}
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