chore: update test cases from problem specifications for prime-factors (#895)

- Updated all the test cases including new ones added
- Updated examples to also use `long long` instead of `int`
[no important files changed]

Author: JagritGumber

exercises/practice/prime-factors/.meta/config.json

@@ -8,7 +8,8 @@
     "jackhughesweb",
     "KevinWMatthews",
     "kytrinyx",
-    "patricksjackson"
+    "patricksjackson",
+    "JagritGumber"
   ],
   "files": {
     "solution": [

exercises/practice/prime-factors/.meta/example.cpp

@@ -1,14 +1,13 @@
-#include "prime_factors.h"
 #include <cmath>
 
-namespace prime_factors
-{
+#include "prime_factors.h"
+
+namespace prime_factors {
 
-std::vector<int> of(int n)
-{
-    std::vector<int> factors;
-    const int end{static_cast<int>(std::sqrt(n))};
-    for (int candidate{2}; candidate <= end; ++candidate) {
+std::vector<long long> of(long long n) {
+    std::vector<long long> factors;
+    const long long end{static_cast<long long>(std::sqrt(n))};
+    for (long long candidate{2}; candidate <= end; ++candidate) {
         while (n % candidate == 0) {
             factors.push_back(candidate);
             n /= candidate;
@@ -21,4 +20,4 @@ std::vector<int> of(int n)
     return factors;
 }
 
-}
+}  // namespace prime_factors

exercises/practice/prime-factors/.meta/example.h

@@ -3,10 +3,9 @@
 
 #include <vector>
 
-namespace prime_factors
-{
+namespace prime_factors {
 
-std::vector<int> of(int n);
+std::vector<long long> of(long long n);
 
 }
 

exercises/practice/prime-factors/.meta/tests.toml

@@ -1,19 +1,41 @@
-# This is an auto-generated file. Regular comments will be removed when this
-# file is regenerated. Regenerating will not touch any manually added keys,
-# so comments can be added in a "comment" key.
+# This is an auto-generated file.
+#
+# Regenerating this file via `configlet sync` will:
+# - Recreate every `description` key/value pair
+# - Recreate every `reimplements` key/value pair, where they exist in problem-specifications
+# - Remove any `include = true` key/value pair (an omitted `include` key implies inclusion)
+# - Preserve any other key/value pair
+#
+# As user-added comments (using the # character) will be removed when this file
+# is regenerated, comments can be added via a `comment` key.
 
 [924fc966-a8f5-4288-82f2-6b9224819ccd]
 description = "no factors"
 
 [17e30670-b105-4305-af53-ddde182cb6ad]
 description = "prime number"
 
+[238d57c8-4c12-42ef-af34-ae4929f94789]
+description = "another prime number"
+
 [f59b8350-a180-495a-8fb1-1712fbee1158]
 description = "square of a prime"
 
+[756949d3-3158-4e3d-91f2-c4f9f043ee70]
+description = "product of first prime"
+
 [bc8c113f-9580-4516-8669-c5fc29512ceb]
 description = "cube of a prime"
 
+[7d6a3300-a4cb-4065-bd33-0ced1de6cb44]
+description = "product of second prime"
+
+[073ac0b2-c915-4362-929d-fc45f7b9a9e4]
+description = "product of third prime"
+
+[6e0e4912-7fb6-47f3-a9ad-dbcd79340c75]
+description = "product of first and second prime"
+
 [00485cd3-a3fe-4fbe-a64a-a4308fc1f870]
 description = "product of primes and non-primes"
 

exercises/practice/prime-factors/prime_factors_test.cpp

@@ -5,94 +5,111 @@
 #include "test/catch.hpp"
 #endif
 
-TEST_CASE("_1_yields_empty")
-{
-    const std::vector<int> expected{};
+TEST_CASE("no factors", "[factors][924fc966-a8f5-4288-82f2-6b9224819ccd]") {
+    const std::vector<long long> expected{};
 
-    const std::vector<int> actual{prime_factors::of(1)};
+    const std::vector<long long> actual{prime_factors::of(1)};
 
     REQUIRE(expected == actual);
 }
 
 #if defined(EXERCISM_RUN_ALL_TESTS)
-TEST_CASE("_2_yields_2")
-{
-    const std::vector<int> expected{2};
+TEST_CASE("prime number", "[factors][17e30670-b105-4305-af53-ddde182cb6ad]") {
+    const std::vector<long long> expected{2};
 
-    const std::vector<int> actual{prime_factors::of(2)};
+    const std::vector<long long> actual{prime_factors::of(2)};
 
     REQUIRE(expected == actual);
 }
 
-TEST_CASE("_3_yields_3")
-{
-    const std::vector<int> expected{3};
+TEST_CASE("another prime number",
+          "[factors][238d57c8-4c12-42ef-af34-ae4929f94789]") {
+    const std::vector<long long> expected{3};
 
-    const std::vector<int> actual{prime_factors::of(3)};
+    const std::vector<long long> actual{prime_factors::of(3)};
 
     REQUIRE(expected == actual);
 }
 
-TEST_CASE("_4_yields_2_2")
-{
-    const std::vector<int> expected{2, 2};
+TEST_CASE("square of a prime",
+          "[factors][f59b8350-a180-495a-8fb1-1712fbee1158]") {
+    const std::vector<long long> expected{3, 3};
 
-    const std::vector<int> actual{prime_factors::of(4)};
+    const std::vector<long long> actual{prime_factors::of(9)};
 
     REQUIRE(expected == actual);
 }
 
-TEST_CASE("_6_yields_2_3")
-{
-    const std::vector<int> expected{2, 3};
+TEST_CASE("product of first prime",
+          "[factors][756949d3-3158-4e3d-91f2-c4f9f043ee70]") {
+    const std::vector<long long> expected{2, 2};
 
-    const std::vector<int> actual{prime_factors::of(6)};
+    const std::vector<long long> actual{prime_factors::of(4)};
 
     REQUIRE(expected == actual);
 }
 
-TEST_CASE("_8_yields_2_2_2")
-{
-    const std::vector<int> expected{2, 2, 2};
+TEST_CASE("cube of a prime",
+          "[factors][bc8c113f-9580-4516-8669-c5fc29512ceb]") {
+    const std::vector<long long> expected{2, 2, 2};
 
-    const std::vector<int> actual{prime_factors::of(8)};
+    const std::vector<long long> actual{prime_factors::of(8)};
 
     REQUIRE(expected == actual);
 }
 
-TEST_CASE("_9_yields_3_3")
-{
-    const std::vector<int> expected{3, 3};
+TEST_CASE("product of second prime",
+          "[factors][7d6a3300-a4cb-4065-bd33-0ced1de6cb44]") {
+    const std::vector<long long> expected{3, 3, 3};
 
-    const std::vector<int> actual{prime_factors::of(9)};
+    const std::vector<long long> actual{prime_factors::of(27)};
 
     REQUIRE(expected == actual);
 }
 
-TEST_CASE("_27_yields_3_3_3")
-{
-    const std::vector<int> expected{3, 3, 3};
+TEST_CASE("product of third prime",
+          "[factors][073ac0b2-c915-4362-929d-fc45f7b9a9e4]") {
+    const std::vector<long long> expected{5, 5, 5, 5};
 
-    const std::vector<int> actual{prime_factors::of(27)};
+    const std::vector<long long> actual{prime_factors::of(625)};
 
     REQUIRE(expected == actual);
 }
 
-TEST_CASE("_625_yields_5_5_5_5")
-{
-    const std::vector<int> expected{5, 5, 5, 5};
+TEST_CASE("product of first and second prime",
+          "[factors][6e0e4912-7fb6-47f3-a9ad-dbcd79340c75]") {
+    const std::vector<long long> expected{2, 3};
 
-    const std::vector<int> actual{prime_factors::of(625)};
+    const std::vector<long long> actual{prime_factors::of(6)};
 
     REQUIRE(expected == actual);
 }
 
-TEST_CASE("_901255_yields_5_17_23_461")
-{
-    const std::vector<int> expected{5, 17, 23, 461};
+TEST_CASE("product of primes and non-primes",
+          "[factors][00485cd3-a3fe-4fbe-a64a-a4308fc1f870]") {
+    const std::vector<long long> expected{2, 2, 3};
 
-    const std::vector<int> actual{prime_factors::of(901255)};
+    const std::vector<long long> actual{prime_factors::of(12)};
 
     REQUIRE(expected == actual);
 }
+
+TEST_CASE("product of primes",
+          "[factors][02251d54-3ca1-4a9b-85e1-b38f4b0ccb91]") {
+    const std::vector<long long> expected{5, 17, 23, 461};
+
+    const std::vector<long long> actual{prime_factors::of(901255)};
+
+    REQUIRE(expected == actual);
+}
+
+TEST_CASE("factors include a large prime",
+          "[factors][070cf8dc-e202-4285-aa37-8d775c9cd473]") {
+    const std::vector<long long> expected{11, 9539, 894119};
+
+    const std::vector<long long> actual{prime_factors::of(93819012551)};
+
+    REQUIRE(expected == actual);
+}
+
 #endif