#!/usr/bin/env python3
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# Copyright 2016 Google Inc. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS-IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from fruit_test_common import *
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COMMON_DEFINITIONS = '''
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#include "test_common.h"
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#define IN_FRUIT_CPP_FILE 1
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#include <fruit/impl/data_structures/fixed_size_vector.templates.h>
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using namespace std;
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using namespace fruit::impl;
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'''
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def test_empty_capacity_0():
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source = '''
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int main() {
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FixedSizeVector<int> v;
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const FixedSizeVector<int>& const_v = v;
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Assert(v.size() == 0);
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Assert(v.data() == nullptr);
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Assert(v.begin() == v.end());
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Assert(const_v.data() == nullptr);
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Assert(const_v.begin() == const_v.end());
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}
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'''
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expect_success(
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COMMON_DEFINITIONS,
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source,
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locals())
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def test_empty_capacity_nonzero():
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source = '''
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int main() {
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FixedSizeVector<int> v(15);
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const FixedSizeVector<int>& const_v = v;
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Assert(v.size() == 0);
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Assert(v.data() != nullptr);
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Assert(v.begin() == v.end());
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Assert(const_v.data() != nullptr);
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Assert(const_v.begin() == const_v.end());
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}
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'''
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expect_success(
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COMMON_DEFINITIONS,
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source,
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locals())
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def test_push_back():
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source = '''
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int main() {
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FixedSizeVector<int> v(2);
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v.push_back(1000);
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v.push_back(2000);
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const FixedSizeVector<int>& const_v = v;
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Assert(v.size() == 2);
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Assert(v.data() == &(v[0]));
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Assert(v.end() - v.begin() == 2);
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Assert(&*(v.begin()) == &(v[0]));
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Assert(&*(v.begin() + 1) == &(v[1]));
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Assert(const_v.data() != nullptr);
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Assert(const_v.begin() == &(const_v[0]));
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Assert(const_v.end() - const_v.begin() == 2);
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Assert(&*(const_v.begin()) == &(const_v[0]));
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Assert(&*(const_v.begin() + 1) == &(const_v[1]));
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Assert(v[0] == 1000);
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Assert(v[1] == 2000);
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}
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'''
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expect_success(
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COMMON_DEFINITIONS,
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source,
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locals())
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def test_2arg_constructor():
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source = '''
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int main() {
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FixedSizeVector<int> v(2, 1000);
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const FixedSizeVector<int>& const_v = v;
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Assert(v.size() == 2);
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Assert(v.data() == &(v[0]));
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Assert(v.end() - v.begin() == 2);
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Assert(&*(v.begin()) == &(v[0]));
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Assert(&*(v.begin() + 1) == &(v[1]));
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Assert(const_v.data() != nullptr);
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Assert(const_v.begin() == &(const_v[0]));
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Assert(const_v.end() - const_v.begin() == 2);
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Assert(&*(const_v.begin()) == &(const_v[0]));
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Assert(&*(const_v.begin() + 1) == &(const_v[1]));
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Assert(v[0] == 1000);
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Assert(v[1] == 1000);
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}
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'''
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expect_success(
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COMMON_DEFINITIONS,
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source,
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locals())
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def test_move_constructor():
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source = '''
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int main() {
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FixedSizeVector<int> v1(2);
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v1.push_back(1000);
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v1.push_back(2000);
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FixedSizeVector<int> v = std::move(v1);
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Assert(v.size() == 2);
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Assert(v.data() == &(v[0]));
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Assert(v.end() - v.begin() == 2);
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Assert(&*(v.begin()) == &(v[0]));
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Assert(&*(v.begin() + 1) == &(v[1]));
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Assert(v[0] == 1000);
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Assert(v[1] == 2000);
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}
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'''
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expect_success(
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COMMON_DEFINITIONS,
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source,
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locals())
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def test_copy_constructor():
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source = '''
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int main() {
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FixedSizeVector<int> v1(2);
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v1.push_back(1000);
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v1.push_back(2000);
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FixedSizeVector<int> v(v1, 3);
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Assert(v.size() == 2);
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Assert(v.data() == &(v[0]));
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Assert(v.end() - v.begin() == 2);
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Assert(&*(v.begin()) == &(v[0]));
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Assert(&*(v.begin() + 1) == &(v[1]));
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Assert(v[0] == 1000);
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Assert(v[1] == 2000);
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}
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'''
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expect_success(
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COMMON_DEFINITIONS,
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source,
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locals())
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def test_move_assignment():
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source = '''
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int main() {
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FixedSizeVector<int> v1(2);
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v1.push_back(1000);
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v1.push_back(2000);
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FixedSizeVector<int> v;
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v = std::move(v1);
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Assert(v.size() == 2);
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Assert(v.data() == &(v[0]));
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Assert(v.end() - v.begin() == 2);
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Assert(&*(v.begin()) == &(v[0]));
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Assert(&*(v.begin() + 1) == &(v[1]));
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Assert(v[0] == 1000);
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Assert(v[1] == 2000);
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}
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'''
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expect_success(
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COMMON_DEFINITIONS,
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source,
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locals())
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def test_swap():
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source = '''
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int main() {
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FixedSizeVector<int> v1(2);
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v1.push_back(1000);
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v1.push_back(2000);
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FixedSizeVector<int> v2(1);
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v2.push_back(3000);
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std::swap(v1, v2);
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Assert(v1.size() == 1);
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Assert(v1[0] == 3000);
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Assert(v2.size() == 2);
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Assert(v2[0] == 1000);
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Assert(v2[1] == 2000);
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}
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'''
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expect_success(
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COMMON_DEFINITIONS,
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source,
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locals())
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def test_clear():
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source = '''
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int main() {
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FixedSizeVector<int> v(2);
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v.push_back(1000);
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v.push_back(2000);
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v.clear();
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Assert(v.size() == 0);
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Assert(v.data() != nullptr);
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Assert(v.begin() == v.end());
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// This must not blow up, clear() must preserve the capacity.
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v.push_back(1000);
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}
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'''
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expect_success(
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COMMON_DEFINITIONS,
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source,
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locals())
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if __name__== '__main__':
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main(__file__)
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