test(vector): add assertions and fix minor issues in test suite

tests/0026.container/0001.vector/append_range.cc

@@ -1,4 +1,3 @@
-#include <cassert>
 #include <algorithm>
 #include <list>
 #include <fast_io.h>
@@ -8,10 +7,8 @@ using namespace fast_io::mnp;
 
 int main()
 {
-#if 0
 	auto head = fast_io::vector<int>{1, 2, 3, 4};
 	auto const tail = std::list{-5, -6, -7};
 	head.append_range(tail);
-	assert(std::ranges::equal(head, fast_io::vector<int>{1, 2, 3, 4, -5, -6, -7}));
-#endif
-}
+	if (!(std::ranges::equal(head, fast_io::vector<int>{1, 2, 3, 4, -5, -6, -7}))) ::fast_io::fast_terminate();
+}

tests/0026.container/0001.vector/assign.cc

@@ -1,4 +1,4 @@
-#include <string>
+#include <string>
 #include <fast_io.h>
 #include <fast_io_dsal/vector.h>
 using namespace fast_io::io;
@@ -18,6 +18,11 @@ int main()
 	};
 
 	characters.assign(5, 'a');
+	if (!(characters.size() == 5)) ::fast_io::fast_terminate();
+	for (char c : characters)
+	{
+		if (!(c == 'a')) ::fast_io::fast_terminate();
+	}
 	print_vector();
 
 #if 0

tests/0026.container/0001.vector/assign_range.cc

@@ -1,5 +1,4 @@
-#include <algorithm>
-#include <cassert>
+#include <algorithm>
 #include <list>
 #include <fast_io.h>
 #include <fast_io_dsal/vector.h>
@@ -10,6 +9,6 @@ int main()
 	auto const source = std::list{2, 7, 1};
 	auto destination = fast_io::vector{3, 1, 4};
 	destination.assign_range(source);
-	assert(std::ranges::equal(source, destination));
+	if (!(std::ranges::equal(source, destination))) ::fast_io::fast_terminate();
 #endif
 }

tests/0026.container/0001.vector/back.cc

@@ -1,4 +1,4 @@
-#include <fast_io.h>
+#include <fast_io.h>
 #include <fast_io_dsal/vector.h>
 using namespace fast_io::io;
 using namespace fast_io::mnp;
@@ -9,6 +9,7 @@ int main()
 
 	if (!letters.empty())
 	{
-		print("The first character is '", chvw(letters.back()), "'.\n");
+		print("The last character is '", chvw(letters.back()), "'.\n");
 	}
-}
+	if (!(letters.back() == 'f')) ::fast_io::fast_terminate();
+}

tests/0026.container/0001.vector/begin.cc

@@ -1,4 +1,4 @@
-#include <algorithm>
+#include <algorithm>
 #include <numeric>
 #include <string>
 #include <fast_io.h>
@@ -17,17 +17,20 @@ int main()
 	print("\n");
 
 	// Sums all integers in the vector nums (if any), printing only the result.
-	println("Sum of nums: ",
-			std::accumulate(nums.begin(), nums.end(), 0));
+	auto const sum = std::accumulate(nums.begin(), nums.end(), 0);
+	println("Sum of nums: ", sum);
+	if (!(sum == 31)) ::fast_io::fast_terminate();
 
 	// Prints the first fruit in the vector fruits, checking if there is any.
 	if (!fruits.empty())
 	{
 		println("First fruit: ", *fruits.begin());
+		if (!(*fruits.begin() == "orange")) ::fast_io::fast_terminate();
 	}
 
 	if (empty.begin() == empty.end())
 	{
 		print("vector 'empty' is indeed empty.\n");
 	}
-}
+	if (!(empty.begin() == empty.end())) ::fast_io::fast_terminate();
+}

tests/0026.container/0001.vector/capacity.cc

@@ -1,4 +1,4 @@
-#include <fast_io.h>
+#include <fast_io.h>
 #include <fast_io_dsal/vector.h>
 using namespace fast_io::io;
 using namespace fast_io::mnp;
@@ -10,18 +10,22 @@ int main()
 
 	auto cap = v.capacity();
 	println("Initial size: ", v.size(), ", capacity: ", cap);
+	if (!(v.size() == 0)) ::fast_io::fast_terminate();
+	if (!(v.capacity() == 0)) ::fast_io::fast_terminate();
 
-	print("\nDemonstrate the capacity's growth policy."
+	print("\nDemonstrate the capacity'\''s growth policy."
 		  "\nSize:  Capacity:  Ratio:\n");
 	while (sz-- > 0)
 	{
 		v.push_back(sz);
 		if (cap != v.capacity())
 		{
 			println(left(v.size(), 7), left(v.capacity(), 11), left(float(v.capacity()) / static_cast<float>(cap), 10));
+			if (!(v.capacity() > cap)) ::fast_io::fast_terminate();
 			cap = v.capacity();
 		}
 	}
 
 	println("\nFinal size: ", v.size(), ", capacity: ", v.capacity());
+	if (!(v.size() == 100)) ::fast_io::fast_terminate();
 }

tests/0026.container/0001.vector/clear.cc

@@ -1,4 +1,4 @@
-#include <string_view>
+#include <string_view>
 #include <fast_io.h>
 #include <fast_io_dsal/vector.h>
 using namespace fast_io::io;
@@ -13,6 +13,10 @@ int main()
 {
 	fast_io::vector<int> container{1, 2, 3};
 	print_info("Before clear: ", container);
+	if (!(!container.empty())) ::fast_io::fast_terminate();
+	if (!(container.size() == 3)) ::fast_io::fast_terminate();
 	container.clear();
 	print_info("After clear: ", container);
-}
+	if (!(container.empty())) ::fast_io::fast_terminate();
+	if (!(container.size() == 0)) ::fast_io::fast_terminate();
+}

tests/0026.container/0001.vector/data.cc

@@ -1,4 +1,4 @@
-#include <cstddef>
+#include <cstddef>
 #include <span>
 #include <fast_io.h>
 #include <fast_io_dsal/vector.h>
@@ -29,4 +29,9 @@ int main()
 
 	// std::span (C++20) is a safer alternative to separated pointer/size.
 	span_func({container.data(), container.size()});
-}
+
+	if (!(container.data()[0] == 1)) ::fast_io::fast_terminate();
+	if (!(container.data()[1] == 2)) ::fast_io::fast_terminate();
+	if (!(container.data()[2] == 3)) ::fast_io::fast_terminate();
+	if (!(container.data()[3] == 4)) ::fast_io::fast_terminate();
+}

tests/0026.container/0001.vector/emplace.cc

@@ -1,4 +1,4 @@
-#include <algorithm>
+#include <algorithm>
 #include <ranges>
 #include <string>
 #include <fast_io.h>
@@ -62,4 +62,8 @@ int main()
 	container.emplace(container.end(), std::move(three));
 
 	println("content:\n ", rgvw(container | std::views::transform([](auto const &a) { return a.s; }), " "));
+	if (!(container.size() == 3)) ::fast_io::fast_terminate();
+	if (!(container[0].s == "one")) ::fast_io::fast_terminate();
+	if (!(container[1].s == "two")) ::fast_io::fast_terminate();
+	if (!(container[2].s == "three")) ::fast_io::fast_terminate();
 }

tests/0026.container/0001.vector/emplace_index.cc

@@ -1,6 +1,3 @@
-#include <algorithm>
-#include <ranges>
-#include <string>
 #include <fast_io.h>
 #include <fast_io_dsal/vector.h>
 using namespace fast_io::io;
@@ -13,6 +10,13 @@ int main()
 	vec.emplace_index(0,6);
 	vec.emplace_index(0,8);
 	vec.erase_index(0);
+	// After push_back(4): [4]
+	// After emplace_index(0,6): [6,4]
+	// After emplace_index(0,8): [8,6,4]
+	// After erase_index(0): [6,4]
+	if (!(vec.size() == 2)) ::fast_io::fast_terminate();
+	if (!(vec[0] == 6)) ::fast_io::fast_terminate();
+	if (!(vec[1] == 4)) ::fast_io::fast_terminate();
 	for(auto const & e : vec)
 	{
 		::fast_io::io::println(e);

tests/0026.container/0001.vector/empty.cc

@@ -1,4 +1,4 @@
-#include <fast_io.h>
+#include <fast_io.h>
 #include <fast_io_dsal/vector.h>
 using namespace fast_io::io;
 using namespace fast_io::mnp;
@@ -7,7 +7,9 @@ int main()
 {
 	fast_io::vector<int> numbers;
 	println("Initially, numbers.empty(): ", boolalpha(numbers.empty()));
+	if (!(numbers.empty())) ::fast_io::fast_terminate();
 
 	numbers.push_back(42);
 	println("After adding elements, numbers.empty(): ", boolalpha(numbers.empty()));
-}
+	if (!(!numbers.empty())) ::fast_io::fast_terminate();
+}

tests/0026.container/0001.vector/end.cc

@@ -1,4 +1,4 @@
-#include <algorithm>
+#include <algorithm>
 #include <numeric>
 #include <string>
 #include <fast_io.h>
@@ -17,17 +17,20 @@ int main()
 	print("\n");
 
 	// Sums all integers in the vector nums (if any), printing only the result.
-	println("Sum of nums: ",
-			std::accumulate(nums.begin(), nums.end(), 0));
+	auto const sum = std::accumulate(nums.begin(), nums.end(), 0);
+	println("Sum of nums: ", sum);
+	if (!(sum == 31)) ::fast_io::fast_terminate();
 
 	// Prints the first fruit in the vector fruits, checking if there is any.
 	if (!fruits.empty())
 	{
 		println("First fruit: ", *fruits.begin());
+		if (!(*fruits.begin() == "orange")) ::fast_io::fast_terminate();
 	}
 
 	if (empty.begin() == empty.end())
 	{
 		print("vector 'empty' is indeed empty.\n");
 	}
-}
+	if (!(empty.begin() == empty.end())) ::fast_io::fast_terminate();
+}

tests/0026.container/0001.vector/erase.cc

@@ -1,4 +1,4 @@
-#include <fast_io.h>
+#include <fast_io.h>
 #include <fast_io_dsal/vector.h>
 using namespace fast_io::io;
 using namespace fast_io::mnp;
@@ -11,12 +11,18 @@ void print_container(fast_io::vector<int> const &c)
 int main()
 {
 	fast_io::vector<int> c{0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
+	if (!(c.size() == 10)) ::fast_io::fast_terminate();
 	print_container(c);
 
 	c.erase(c.begin());
+	if (!(c.size() == 9)) ::fast_io::fast_terminate();
+	if (!(c[0] == 1)) ::fast_io::fast_terminate();
 	print_container(c);
 
 	c.erase(c.begin() + 2, c.begin() + 5);
+	// Before: [1,2,3,4,5,6,7,8,9]; erase indices 2-4 (values 3,4,5)
+	if (!(c.size() == 6)) ::fast_io::fast_terminate();
+	if (!(c[0] == 1 && c[1] == 2 && c[2] == 6 && c[3] == 7 && c[4] == 8 && c[5] == 9)) ::fast_io::fast_terminate();
 	print_container(c);
 
 	// Erase all even numbers
@@ -31,5 +37,8 @@ int main()
 			++it;
 		}
 	}
+	// After erasing evens from [1,2,6,7,8,9]: [1,7,9]
+	if (!(c.size() == 3)) ::fast_io::fast_terminate();
+	if (!(c[0] == 1 && c[1] == 7 && c[2] == 9)) ::fast_io::fast_terminate();
 	print_container(c);
-}
+}

tests/0026.container/0001.vector/erase_index.cc

@@ -1,4 +1,4 @@
-#include <fast_io.h>
+#include <fast_io.h>
 #include <fast_io_dsal/vector.h>
 using namespace fast_io::io;
 using namespace fast_io::mnp;
@@ -11,12 +11,19 @@ inline void print_container(fast_io::vector<int> const &c)
 int main()
 {
 	fast_io::vector<int> c{0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
+	if (!(c.size() == 10)) ::fast_io::fast_terminate();
 	print_container(c);
 
 	c.erase_index(0);
+	if (!(c.size() == 9)) ::fast_io::fast_terminate();
+	if (!(c[0] == 1)) ::fast_io::fast_terminate();
 	print_container(c);
 
 	c.erase_index(2, 5);
+	// After erasing index 0: [1,2,3,4,5,6,7,8,9]
+	// erase_index(2,5): erase indices 2..4 (values 3,4,5) => [1,2,6,7,8,9]
+	if (!(c.size() == 6)) ::fast_io::fast_terminate();
+	if (!(c[0] == 1 && c[1] == 2 && c[2] == 6 && c[3] == 7 && c[4] == 8 && c[5] == 9)) ::fast_io::fast_terminate();
 	print_container(c);
 
 	// Erase all even numbers
@@ -31,6 +38,8 @@ int main()
 			++i;
 		}
 	}
-
+	// After erasing evens from [1,2,6,7,8,9]: [1,7,9]
+	if (!(c.size() == 3)) ::fast_io::fast_terminate();
+	if (!(c[0] == 1 && c[1] == 7 && c[2] == 9)) ::fast_io::fast_terminate();
 	print_container(c);
-}
+}

tests/0026.container/0001.vector/front.cc

@@ -1,4 +1,4 @@
-#include <fast_io.h>
+#include <fast_io.h>
 #include <fast_io_dsal/vector.h>
 using namespace fast_io::io;
 using namespace fast_io::mnp;
@@ -11,4 +11,5 @@ int main()
 	{
 		print("The first character is '", chvw(letters.front()), "'.\n");
 	}
-}
+	if (!(letters.front() == 'a')) ::fast_io::fast_terminate();
+}

tests/0026.container/0001.vector/insert.cc

@@ -1,4 +1,4 @@
-#include <iterator>
+#include <iterator>
 #include <fast_io.h>
 #include <fast_io_dsal/vector.h>
 using namespace fast_io::io;
@@ -13,9 +13,14 @@ int main()
 {
 	fast_io::vector<int> c1(3, 100);
 	print_info(1, c1);
+	if (!(c1.size() == 3)) ::fast_io::fast_terminate();
+	if (!(c1[0] == 100 && c1[1] == 100 && c1[2] == 100)) ::fast_io::fast_terminate();
 
 	auto it = c1.begin();
 	it = c1.insert(it, 200);
+	if (!(*it == 200)) ::fast_io::fast_terminate();
+	if (!(c1.size() == 4)) ::fast_io::fast_terminate();
+	if (!(c1[0] == 200)) ::fast_io::fast_terminate();
 	print_info(2, c1);
 #if 0
 	c1.insert(it, 2, 300);
@@ -35,4 +40,4 @@ int main()
 	c1.insert(c1.end(), {601, 602, 603});
 	print_info(6, c1);
 #endif
-}
+}

tests/0026.container/0001.vector/insert_range.cc

@@ -1,4 +1,3 @@
-#include <cassert>
 #include <iterator>
 #include <algorithm>
 #include <list>
@@ -12,10 +11,10 @@ int main()
 #if 0
 	auto container = fast_io::vector{1, 2, 3, 4};
 	auto pos = std::next(container.begin(), 2);
-	assert(*pos == 3);
+	if (!(*pos == 3)) ::fast_io::fast_terminate();
 	auto const rg = std::list{-1, -2, -3};
 
 	container.insert_range(pos, rg);
-	assert(std::ranges::equal(container, fast_io::vector{1, 2, -1, -2, -3, 3, 4}));
+	if (!(std::ranges::equal(container, fast_io::vector{1, 2, -1, -2, -3, 3, 4}))) ::fast_io::fast_terminate();
 #endif
 }