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Erase elements in LinkedList::remove_if

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(cherry picked from commit 4bea498544)

Change-Id: I1ffe248bc2b7572f38fbd987e9c6db5ecbd4559d
This commit is contained in:
Dmitriy Ivanov
2014-08-29 14:01:48 -07:00
parent cfad7ae934
commit 4d01d08c29
3 changed files with 121 additions and 19 deletions
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77
linker/tests/linked_list_test.cpp
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@@ -80,7 +80,7 @@ TEST(linked_list, simple) {
});
ASSERT_TRUE(!alloc_called);
ASSERT_TRUE(!free_called);
ASSERT_TRUE(free_called);
ASSERT_EQ("dba", test_list_to_string(list));
alloc_called = free_called = false;
@@ -103,15 +103,82 @@ TEST(linked_list, push_pop) {
ASSERT_EQ("ab", test_list_to_string(list));
list.push_back("c");
ASSERT_EQ("abc", test_list_to_string(list));
ASSERT_EQ("a", list.pop_front());
ASSERT_STREQ("a", list.pop_front());
ASSERT_EQ("bc", test_list_to_string(list));
ASSERT_EQ("b", list.pop_front());
ASSERT_STREQ("b", list.pop_front());
ASSERT_EQ("c", test_list_to_string(list));
ASSERT_EQ("c", list.pop_front());
ASSERT_STREQ("c", list.pop_front());
ASSERT_EQ("", test_list_to_string(list));
ASSERT_TRUE(list.pop_front() == nullptr);
list.push_back("r");
ASSERT_EQ("r", test_list_to_string(list));
ASSERT_EQ("r", list.pop_front());
ASSERT_STREQ("r", list.pop_front());
ASSERT_TRUE(list.pop_front() == nullptr);
}
TEST(linked_list, remove_if_then_pop) {
test_list_t list;
list.push_back("a");
list.push_back("b");
list.push_back("c");
list.push_back("d");
list.remove_if([](const char* c) {
return *c == 'b' || *c == 'c';
});
ASSERT_EQ("ad", test_list_to_string(list));
ASSERT_STREQ("a", list.pop_front());
ASSERT_EQ("d", test_list_to_string(list));
ASSERT_STREQ("d", list.pop_front());
ASSERT_TRUE(list.pop_front() == nullptr);
}
TEST(linked_list, copy_to_array) {
test_list_t list;
const size_t max_size = 128;
const char* buf[max_size];
memset(buf, 0, sizeof(buf));
ASSERT_EQ(0U, list.size());
ASSERT_EQ(0U, list.copy_to_array(buf, max_size));
ASSERT_EQ(nullptr, buf[0]);
list.push_back("a");
list.push_back("b");
list.push_back("c");
list.push_back("d");
memset(buf, 0, sizeof(buf));
ASSERT_EQ(4U, list.size());
ASSERT_EQ(2U, list.copy_to_array(buf, 2));
ASSERT_EQ('a', *buf[0]);
ASSERT_EQ('b', *buf[1]);
ASSERT_EQ(nullptr, buf[2]);
ASSERT_EQ(4U, list.copy_to_array(buf, max_size));
ASSERT_EQ('a', *buf[0]);
ASSERT_EQ('b', *buf[1]);
ASSERT_EQ('c', *buf[2]);
ASSERT_EQ('d', *buf[3]);
ASSERT_EQ(nullptr, buf[4]);
memset(buf, 0, sizeof(buf));
list.remove_if([](const char* c) {
return *c != 'c';
});
ASSERT_EQ(1U, list.size());
ASSERT_EQ(1U, list.copy_to_array(buf, max_size));
ASSERT_EQ('c', *buf[0]);
ASSERT_EQ(nullptr, buf[1]);
memset(buf, 0, sizeof(buf));
list.remove_if([](const char* c) {
return *c == 'c';
});
ASSERT_EQ(0U, list.size());
ASSERT_EQ(0U, list.copy_to_array(buf, max_size));
ASSERT_EQ(nullptr, buf[0]);
}