added elementsAreNonAscending(), elementsAreDescending(), and element…

…sAreAscending() validators
ia-toki · Oct 17, 2024 · c9aa252 · c9aa252
1 parent 0ab2d1c
commit c9aa252
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diff --git a/include/tcframe/validator/vector.hpp b/include/tcframe/validator/vector.hpp
@@ -24,4 +24,44 @@ bool elementsAreNonDescending(const vector<T>& v) {
     return true;
 }
 
+template<typename T>
+bool elementsAreNonAscending(const vector<T> &v) {
+    for (std::size_t i = 1; i < v.size(); ++i) {
+        if (v[i - 1] < v[i]) {
+            return false;
+        }
+    }
+    return true;
+}
+
+template<typename T>
+bool elementsAreDescending(const vector<T>& v) {
+    for (std::size_t i = 1; i < v.size(); ++i) {
+        if (v[i - 1] <= v[i]) {
+            return false;
+        }
+    }
+    return true;
+}
+
+template<typename T>
+bool elementsAreAscending(const vector<T> &v) {
+    for (std::size_t i = 1; i < v.size(); ++i) {
+        if (v[i - 1] >= v[i]) {
+            return false;
+        }
+    }
+    return true;
+}
+
+template<typename T, typename Compare>
+bool elementsAreOrdered(const vector<T> &v, Compare comp) {
+    for (std::size_t i = 1; i < v.size(); ++i) {
+        if(!comp(v[i - 1], v[i])) {
+            return false;
+        }
+    }
+    return true;
+}
+
 }
diff --git a/test/unit/tcframe/validator/VectorValidatorTests.cpp b/test/unit/tcframe/validator/VectorValidatorTests.cpp
@@ -25,4 +25,28 @@ TEST_F(VectorValidatorTests, elementsAreNonDescending) {
     EXPECT_TRUE(elementsAreNonDescending(vector<int>{1, 1, 2, 3, 3, 7}));
 }
 
+TEST_F(VectorValidatorTests, elementsAreNonAscending) {
+    EXPECT_FALSE(elementsAreNonAscending(vector<int>{3, 5, 3, 2, 1}));
+    EXPECT_FALSE(elementsAreNonAscending(vector<int>{5, 2, 1, 1, 2}));
+    EXPECT_TRUE(elementsAreNonAscending(vector<int>()));
+    EXPECT_TRUE(elementsAreNonAscending(vector<int>{5, 4, 3, 2, 1}));
+    EXPECT_TRUE(elementsAreNonAscending(vector<int>{7, 3, 3, 2, 1, 1}));
+}
+
+TEST_F(VectorValidatorTests, elementsAreDescending) {
+    EXPECT_FALSE(elementsAreDescending(vector<int>{3, 5, 3, 2, 1}));
+    EXPECT_FALSE(elementsAreDescending(vector<int>{5, 2, 1, 1, 2}));
+    EXPECT_FALSE(elementsAreDescending(vector<int>{7, 3, 3, 2, 1, 1}));
+    EXPECT_TRUE(elementsAreDescending(vector<int>()));
+    EXPECT_TRUE(elementsAreDescending(vector<int>{5, 4, 3, 2, 1}));
+}
+
+TEST_F(VectorValidatorTests, elementsAreAscending) {
+    EXPECT_FALSE(elementsAreAscending(vector<int>{1, 2, 3, 5, 3}));
+    EXPECT_FALSE(elementsAreAscending(vector<int>{2, 1, 1, 2, 5}));
+    EXPECT_FALSE(elementsAreAscending(vector<int>{1, 1, 2, 3, 3, 7}));
+    EXPECT_TRUE(elementsAreAscending(vector<int>()));
+    EXPECT_TRUE(elementsAreAscending(vector<int>{1, 2, 3, 4, 5}));
+}
+
 }