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Mini Shell
#include <TestSupport.h>
#include <DataStructures/LString.h>
#include <MemoryKit/palloc.h>
using namespace Passenger;
using namespace std;
namespace tut {
struct DataStructures_LStringTest: public TestBase {
LString str, str2;
psg_pool_t *pool;
DataStructures_LStringTest() {
psg_lstr_init(&str);
psg_lstr_init(&str2);
pool = psg_create_pool(PSG_DEFAULT_POOL_SIZE);
}
~DataStructures_LStringTest() {
psg_lstr_deinit(&str);
psg_lstr_deinit(&str2);
psg_destroy_pool(pool);
}
void reset() {
psg_lstr_deinit(&str);
psg_lstr_deinit(&str2);
psg_lstr_init(&str);
psg_lstr_init(&str2);
}
};
DEFINE_TEST_GROUP(DataStructures_LStringTest);
TEST_METHOD(1) {
set_test_name("It is empty upon initialization");
ensure_equals(str.size, 0u);
ensure_equals<void *>(str.start, &emptyLStringPart);
ensure_equals<void *>(str.start->next, NULL);
ensure_equals<StaticString>(str.start->data, "");
ensure_equals(str.start->size, 0u);
ensure_equals<void *>(str.end, &emptyLStringPart);
ensure_equals<void *>(str.end->next, NULL);
ensure_equals<StaticString>(str.end->data, "");
ensure_equals(str.end->size, 0u);
ensure_equals(StaticString(str.start->data, str.size), "");
}
TEST_METHOD(2) {
set_test_name("Appending updates the links and the size");
psg_lstr_append(&str, pool, "ab");
ensure_equals(str.size, 2u);
ensure(str.start != &emptyLStringPart);
ensure_equals<void *>(str.start, str.end);
psg_lstr_append(&str, pool, "cde");
ensure_equals(str.size, 5u);
ensure(str.start != &emptyLStringPart);
ensure(str.start != str.end);
}
TEST_METHOD(3) {
set_test_name("Appending an empty string does nothing");
psg_lstr_append(&str, pool, "");
ensure_equals(str.size, 0u);
ensure_equals<void *>(str.start, &emptyLStringPart);
ensure_equals<void *>(str.end, &emptyLStringPart);
psg_lstr_append(&str, pool, "ab");
psg_lstr_append(&str, pool, "");
ensure_equals(str.size, 2u);
ensure(str.start != &emptyLStringPart);
ensure_equals<void *>(str.start, str.end);
}
/***** Comparison with StaticString *****/
TEST_METHOD(10) {
set_test_name("Comparing an empty LString with an empty StaticString");
ensure(psg_lstr_cmp(&str, ""));
}
TEST_METHOD(11) {
set_test_name("Comparing an empty LString with a non-empty StaticString");
ensure(!psg_lstr_cmp(&str, "foo"));
ensure(!psg_lstr_cmp(&str, "bar"));
}
TEST_METHOD(12) {
set_test_name("Comparing an single-part LString with an empty StaticString");
psg_lstr_append(&str, pool, "hi");
ensure(!psg_lstr_cmp(&str, ""));
}
TEST_METHOD(13) {
set_test_name("Comparing an single-part LString with a non-empty StaticString");
psg_lstr_append(&str, pool, "hi");
ensure(psg_lstr_cmp(&str, "hi"));
ensure(!psg_lstr_cmp(&str, "ho"));
}
TEST_METHOD(14) {
set_test_name("Comparing an multi-part LString with an empty StaticString");
psg_lstr_append(&str, pool, "hi");
psg_lstr_append(&str, pool, "ho");
ensure(!psg_lstr_cmp(&str, ""));
}
TEST_METHOD(15) {
set_test_name("Comparing an multi-part LString with a non-empty StaticString");
psg_lstr_append(&str, pool, "hi");
psg_lstr_append(&str, pool, "ho");
ensure(psg_lstr_cmp(&str, "hiho"));
ensure(!psg_lstr_cmp(&str, "hiho!"));
ensure(!psg_lstr_cmp(&str, "hihi"));
ensure(!psg_lstr_cmp(&str, "hm"));
ensure(!psg_lstr_cmp(&str, ""));
}
/***** Comparison with StaticString, with size argument *****/
TEST_METHOD(20) {
set_test_name("Comparing an empty LString with an empty StaticString, with size argument");
ensure(psg_lstr_cmp(&str, "", 0));
ensure(psg_lstr_cmp(&str, "", 1));
ensure(psg_lstr_cmp(&str, "", 2));
}
TEST_METHOD(21) {
set_test_name("Comparing an empty LString with a non-empty StaticString, with size argument");
ensure(psg_lstr_cmp(&str, "hello", 0));
ensure(!psg_lstr_cmp(&str, "hello", 1));
}
TEST_METHOD(22) {
set_test_name("Comparing an single-part LString with an empty StaticString, with size argument");
psg_lstr_append(&str, pool, "hi");
ensure(psg_lstr_cmp(&str, "", 0));
ensure(!psg_lstr_cmp(&str, "", 1));
}
TEST_METHOD(23) {
set_test_name("Comparing an single-part LString with a non-empty StaticString, with size argument");
psg_lstr_append(&str, pool, "hi");
ensure(psg_lstr_cmp(&str, "hi!", 0));
ensure(psg_lstr_cmp(&str, "hi!", 1));
ensure(psg_lstr_cmp(&str, "hi!", 2));
ensure(!psg_lstr_cmp(&str, "hi!", 3));
ensure(!psg_lstr_cmp(&str, "ho", 2));
}
TEST_METHOD(24) {
set_test_name("Comparing an multi-part LString with an empty StaticString, with size argument");
psg_lstr_append(&str, pool, "hi");
psg_lstr_append(&str, pool, "hoi");
ensure(psg_lstr_cmp(&str, "", 0));
ensure(!psg_lstr_cmp(&str, "", 1));
}
TEST_METHOD(25) {
set_test_name("Comparing an multi-part LString with a non-empty StaticString, with size argument");
psg_lstr_append(&str, pool, "hi");
psg_lstr_append(&str, pool, "hoi");
ensure(psg_lstr_cmp(&str, "", 0));
ensure(psg_lstr_cmp(&str, "h", 1));
ensure(psg_lstr_cmp(&str, "hi", 2));
ensure(psg_lstr_cmp(&str, "hihoi", 0));
ensure(psg_lstr_cmp(&str, "hihoi", 1));
ensure(psg_lstr_cmp(&str, "hihoi", 2));
ensure(psg_lstr_cmp(&str, "hihoi", 3));
ensure(psg_lstr_cmp(&str, "hihoi", 5));
ensure(psg_lstr_cmp(&str, "hihoi!", 5));
ensure(!psg_lstr_cmp(&str, "hihoi!", 6));
ensure(!psg_lstr_cmp(&str, "hihoo", 5));
ensure(psg_lstr_cmp(&str, "hihoo", 4));
}
/***** Comparison with LString *****/
TEST_METHOD(30) {
set_test_name("Comparing an empty LString with an empty LString");
ensure(psg_lstr_cmp(&str, &str2));
}
TEST_METHOD(31) {
set_test_name("Comparing an empty LString with a one-part LString");
psg_lstr_append(&str2, pool, "hi");
ensure(!psg_lstr_cmp(&str, &str2));
}
TEST_METHOD(32) {
set_test_name("Comparing an empty LString with a multi-part LString");
psg_lstr_append(&str2, pool, "hi");
psg_lstr_append(&str2, pool, "hoi");
ensure(!psg_lstr_cmp(&str, &str2));
}
TEST_METHOD(33) {
set_test_name("Comparing an one-part LString with a one-part LString");
psg_lstr_append(&str, pool, "hi");
psg_lstr_append(&str2, pool, "hi");
ensure(psg_lstr_cmp(&str, &str2));
reset();
psg_lstr_append(&str, pool, "hi");
psg_lstr_append(&str2, pool, "ho");
ensure(!psg_lstr_cmp(&str, &str2));
reset();
psg_lstr_append(&str, pool, "hi");
psg_lstr_append(&str2, pool, "hii");
ensure(!psg_lstr_cmp(&str, &str2));
}
TEST_METHOD(34) {
set_test_name("Comparing an one-part LString with a multi-part LString");
psg_lstr_append(&str, pool, "hi");
psg_lstr_append(&str2, pool, "h");
psg_lstr_append(&str2, pool, "i");
ensure(psg_lstr_cmp(&str, &str2));
reset();
psg_lstr_append(&str, pool, "hi");
psg_lstr_append(&str2, pool, "h");
psg_lstr_append(&str2, pool, "o");
ensure(!psg_lstr_cmp(&str, &str2));
reset();
psg_lstr_append(&str, pool, "hi");
psg_lstr_append(&str2, pool, "hi");
psg_lstr_append(&str2, pool, "o");
ensure(!psg_lstr_cmp(&str, &str2));
reset();
psg_lstr_append(&str, pool, "hi");
psg_lstr_append(&str2, pool, "hi");
psg_lstr_append(&str2, pool, "i");
ensure(!psg_lstr_cmp(&str, &str2));
}
TEST_METHOD(35) {
set_test_name("Comparing an multi-part LString with a multi-part LString");
psg_lstr_append(&str, pool, "hi");
psg_lstr_append(&str, pool, "ho!");
psg_lstr_append(&str2, pool, "hi");
psg_lstr_append(&str2, pool, "ho!");
ensure(psg_lstr_cmp(&str, &str2));
reset();
psg_lstr_append(&str, pool, "hi");
psg_lstr_append(&str, pool, "ho!");
psg_lstr_append(&str2, pool, "h");
psg_lstr_append(&str2, pool, "iho!");
ensure(psg_lstr_cmp(&str, &str2));
reset();
psg_lstr_append(&str, pool, "hi");
psg_lstr_append(&str, pool, "ho!");
psg_lstr_append(&str2, pool, "h");
psg_lstr_append(&str2, pool, "iho");
ensure(!psg_lstr_cmp(&str, &str2));
reset();
psg_lstr_append(&str, pool, "hi");
psg_lstr_append(&str, pool, "ho!");
psg_lstr_append(&str2, pool, "h");
psg_lstr_append(&str2, pool, "i");
psg_lstr_append(&str2, pool, "h");
psg_lstr_append(&str2, pool, "o!");
ensure(psg_lstr_cmp(&str, &str2));
}
/***** psg_lstr_make_contiguous *****/
TEST_METHOD(40) {
set_test_name("psg_lstr_make_contiguous(non-empty string)");
const LString *cstr;
psg_lstr_append(&str, pool, "hey");
psg_lstr_append(&str, pool, "my");
psg_lstr_append(&str, pool, "world");
cstr = psg_lstr_make_contiguous(&str, pool);
ensure_equals(cstr->size, strlen("heymyworld"));
ensure_equals<void *>(cstr->start->next, NULL);
ensure_equals(StaticString(cstr->start->data, cstr->size), "heymyworld");
}
TEST_METHOD(41) {
set_test_name("psg_lstr_make_contiguous(empty string)");
const LString *cstr;
cstr = psg_lstr_make_contiguous(&str, pool);
ensure_equals(cstr->size, 0u);
ensure_equals<void *>(cstr->start, &emptyLStringPart);
ensure_equals<void *>(cstr->end, &emptyLStringPart);
}
/***** psg_lstr_move_and_append *****/
TEST_METHOD(45) {
set_test_name("psg_lstr_move_and_append does nothing if from == to");
psg_lstr_append(&str, pool, "hello");
psg_lstr_append(&str, pool, "world");
psg_lstr_move_and_append(&str, pool, &str);
ensure_equals(str.size, 10u);
ensure_equals(StaticString(str.start->data, str.start->size), "hello");
ensure_equals(str.start->next, str.end);
ensure_equals(StaticString(str.end->data, str.end->size), "world");
}
TEST_METHOD(46) {
set_test_name("psg_lstr_move_and_append does nothing if 'from' is empty");
psg_lstr_append(&str2, pool, "hello");
psg_lstr_append(&str2, pool, "world");
psg_lstr_move_and_append(&str, pool, &str2);
ensure_equals(str.size, 0u);
ensure_equals(str.start, &emptyLStringPart);
ensure_equals(str.end, &emptyLStringPart);
ensure_equals(str2.size, 10u);
ensure_equals(StaticString(str2.start->data, str2.start->size), "hello");
ensure_equals(str2.start->next, str2.end);
ensure_equals(StaticString(str2.end->data, str2.end->size), "world");
}
TEST_METHOD(47) {
set_test_name("psg_lstr_move_and_append when 'to' is empty");
psg_lstr_append(&str, pool, "hello");
psg_lstr_append(&str, pool, "world");
psg_lstr_move_and_append(&str, pool, &str2);
ensure_equals(str.size, 0u);
ensure_equals(str.start, &emptyLStringPart);
ensure_equals(str.end, &emptyLStringPart);
ensure_equals(str2.size, 10u);
ensure_equals(StaticString(str2.start->data, str2.start->size), "hello");
ensure_equals(str2.start->next, str2.end);
ensure_equals(StaticString(str2.end->data, str2.end->size), "world");
}
TEST_METHOD(48) {
set_test_name("psg_lstr_move_and_append when 'to' is non-empty");
psg_lstr_append(&str, pool, "hello");
psg_lstr_append(&str, pool, "world");
psg_lstr_append(&str2, pool, "abcde");
psg_lstr_move_and_append(&str, pool, &str2);
ensure_equals(str.size, 0u);
ensure_equals(str.start, &emptyLStringPart);
ensure_equals(str.end, &emptyLStringPart);
ensure_equals(str2.size, 15u);
ensure_equals(StaticString(str2.start->data, str2.start->size), "abcde");
ensure(str2.start->next != str2.end);
ensure(str2.start->next != NULL);
ensure_equals(StaticString(str2.start->next->data, str2.start->next->size), "hello");
ensure_equals(str2.start->next->next, str2.end);
ensure_equals(StaticString(str2.end->data, str2.end->size), "world");
}
}
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