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F3996413
loops.cpp
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Created
Wed, Jul 8, 11:23 AM
Size
5 KB
Mime Type
text/x-c++
Expires
Fri, Jul 10, 11:23 AM (1 d, 10 h)
Engine
blob
Format
Raw Data
Handle
271984
Attached To
rXR Xreate
loops.cpp
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/* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/
*
* loops.cpp
*
* Created on: -
* Author: pgess <v.melnychenko@xreate.org>
*/
#include "xreatemanager.h"
#include "gtest/gtest.h"
using namespace std;
TEST(Loop, LoopFold1){
string code =
R"CODE(
main = function:: int; entry {
input = [1..5]:: [int].
loop fold(input->el::int, 0->sum)::int
{
sum + el
}
}
)CODE";
xreate::XreateManager* man = xreate::XreateManager::prepare(move(code));
int (*funcMain)() = (int (*)()) man->run();
int answerActual = funcMain();
ASSERT_EQ(15, answerActual);
}
TEST(Loop, LoopFoldFinal){
string code =
R"CODE(
main = function:: int; entry {
input = [1..10]:: [int].
loop fold(input->el::int, 0->sum)::int
{
if (sum>5)::int {
sum:: int; final
} else {sum+el}
}
}
)CODE";
xreate::XreateManager* man = xreate::XreateManager::prepare(move(code));
int (*funcMain)() = (int (*)()) man->run();
int answerActual = funcMain();
ASSERT_EQ(6, answerActual);
}
TEST(Loop, NestedLoops1){
string code =
R"CODE(
main = function:: int; entry {
listX = [1..5]:: [int].
loop fold(listX->x::int, 0->acc)::int
{
listY = [1..5]:: [int].
row = loop fold(listY->y::int, 1->acc):: int {
acc * ( y + x)
}.
acc + row
}
}
)CODE";
xreate::XreateManager* man = xreate::XreateManager::prepare(move(code));
int (*funcMain)() = (int (*)()) man->run();
int answerActual = funcMain();
ASSERT_EQ(55320, answerActual);
}
TEST(Loop, NestedLoopsFinal1){
string code =
R"CODE(
main = function:: int; entry {
listX = [1..5]:: [int].
loop fold(listX->x::int, 0->acc)::int
{
listY = [1..5]:: [int].
row = loop fold(listY->y::int, 1->acc):: int {
res = acc * ( y + x) :: int.
if (res > 20):: int {
20:: int; final
} else {
res
}
}.
acc + row
}
}
)CODE";
xreate::XreateManager* man = xreate::XreateManager::prepare(move(code));
int (*funcMain)() = (int (*)()) man->run();
int answerActual = funcMain();
ASSERT_EQ(100, answerActual);
}
TEST(Loop, NestedLoopsFinal2){
string code =
R"CODE(
main = function:: int; entry {
listX = [1..3]:: [int].
loop fold(listX->x::int, 0->acc)::int
{
listY = [1..5]:: [int].
row = loop fold(listY->y::int, 1->acc):: int {
res = acc * y :: int.
if (res > 24):: int {
24:: int; final
} else {
res
}
}.
if (x==3)::int{
acc:: int; final
} else {
acc + row
}
}
}
)CODE";
xreate::XreateManager* man = xreate::XreateManager::prepare(move(code));
int (*funcMain)() = (int (*)()) man->run();
int answerActual = funcMain();
ASSERT_EQ(48, answerActual);
}
TEST(Loop, InfiniteLoop1){
string code =
R"Code(
fac = function(x:: int):: int{
range = [2..x] :: [int].
loop fold(range->i::int, 1->acc)::int
{acc * i}
}
main = function:: int; entry {
loop (2->state) :: int {
if (fac(state)==120)::int {
state::int; final
} else {state + 1}
}
}
)Code" ;
xreate::XreateManager* man = xreate::XreateManager::prepare(move(code));
int (*funcMain)() = (int (*)()) man->run();
int answerActual = funcMain();
ASSERT_EQ(5, answerActual);
}
TEST(Loop, Doc_LoopInfinite){
string code =
R"Code(
//infinite loop
answer = loop (2->x) :: int
{
if(IsPerfect(x)):: int {x} else {x+1}
}.
)Code" ;
string code2 =
R"Code(
//loop exits after first perfect number is found
answer2 = loop (2->x) :: int
{
if(IsPerfect(x))::int {x:: int; final} else {x+1}
}.
)Code" ;
string codeWrapper =
R"Code(
IsPerfect = function(x::int):: bool {x==6}
test = function::int; entry
{
%TEST%
%TEST2%
answer + answer2
}
)Code" ;
codeWrapper.replace(codeWrapper.find("%TEST%"), 6, code);
codeWrapper.replace(codeWrapper.find("%TEST2%"), 7, code2);
xreate::XreateManager* man = xreate::XreateManager::prepare(string(codeWrapper));
ASSERT_TRUE(man);
}
TEST(Loop, Doc_LoopLoopFold){
string code =
R"CODE(
numbers = {4, 8, 7, 1, 5}:: [int].
min = loop fold(numbers->x:: int, 10->acc):: int
{
if (acc > x):: int {x} else {acc}
}.
)CODE";
string codeWrapper =
R"CODE(
main = function:: int; entry
{
%TEST%
min
}
)CODE";
codeWrapper.replace(codeWrapper.find("%TEST%"), 6, code);
xreate::XreateManager* man = xreate::XreateManager::prepare(move(codeWrapper));
int (*funcMain)() = (int (*)()) man->run();
int answerActual = funcMain();
ASSERT_EQ(1, answerActual);
}
TEST(Loop, Doc_LoopLoopMap){
string code =
R"CODE(
numbers = {4, 8, 7, 1, 5}:: [int].
min = loop fold(numbers->x:: int, 10->acc):: int
{
if (acc > x):: int {x} else {acc}
}.
)CODE";
string codeWrapper =
R"CODE(
main = function:: int; entry
{
odd_numbers = {1, 3, 5}:: [int].
even_numbers = loop map(odd_numbers->number::int) :: [int]
{ 2 * number }.
even_numbers[0]
}
)CODE";
//codeWrapper.replace(codeWrapper.find("%TEST%"), 6, code);
xreate::XreateManager* man = xreate::XreateManager::prepare(move(codeWrapper));
ASSERT_TRUE(man);
}
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