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// Copyright (C) 2019-2023 Algorand, Inc.
// This file is part of go-algorand
//
// go-algorand is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// go-algorand is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with go-algorand. If not, see <https://www.gnu.org/licenses/>.
package logic
import (
"testing"
"github.com/algorand/go-algorand/test/partitiontest"
"github.com/stretchr/testify/require"
)
func TestLineToPC(t *testing.T) {
partitiontest.PartitionTest(t)
t.Parallel()
dState := DebugState{
Disassembly: "abc\ndef\nghi",
PCOffset: []PCOffset{{PC: 1, Offset: 4}, {PC: 2, Offset: 8}, {PC: 3, Offset: 12}},
}
pc := dState.LineToPC(0)
require.Equal(t, 0, pc)
pc = dState.LineToPC(1)
require.Equal(t, 1, pc)
pc = dState.LineToPC(2)
require.Equal(t, 2, pc)
pc = dState.LineToPC(3)
require.Equal(t, 3, pc)
pc = dState.LineToPC(4)
require.Equal(t, 0, pc)
pc = dState.LineToPC(-1)
require.Equal(t, 0, pc)
pc = dState.LineToPC(0x7fffffff)
require.Equal(t, 0, pc)
dState.PCOffset = []PCOffset{}
pc = dState.LineToPC(1)
require.Equal(t, 0, pc)
dState.PCOffset = []PCOffset{{PC: 1, Offset: 0}}
pc = dState.LineToPC(1)
require.Equal(t, 0, pc)
}
const testCallStackProgram string = `intcblock 1
callsub label1
intc_0
label1:
callsub label2
label2:
intc_0
`
func TestParseCallstack(t *testing.T) {
partitiontest.PartitionTest(t)
t.Parallel()
expectedCallFrames := []CallFrame{
{
FrameLine: 1,
LabelName: "label1",
},
{
FrameLine: 4,
LabelName: "label2",
},
}
dState := DebugState{
Disassembly: testCallStackProgram,
PCOffset: []PCOffset{{PC: 1, Offset: 18}, {PC: 4, Offset: 30}, {PC: 7, Offset: 45}, {PC: 8, Offset: 65}, {PC: 11, Offset: 88}},
}
callstack := []frame{{retpc: 4}, {retpc: 8}}
cfs := dState.parseCallstack(callstack)
require.Equal(t, expectedCallFrames, cfs)
}
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