Validator: refactor vector validators to core

CMakeLists.txt

@@ -165,7 +165,6 @@ set(INCLUDE
         include/tcframe/util/StringUtils.hpp
         include/tcframe/util/optional.hpp
         include/tcframe/validator/core.hpp
-        include/tcframe/validator/vector.hpp
 )
 
 set(TEST_UNIT
@@ -261,7 +260,6 @@ set(TEST_UNIT
         test/unit/tcframe/util/StringUtilsTests.cpp
         test/unit/tcframe/util/TestUtils.hpp
         test/unit/tcframe/validator/CoreValidatorTests.cpp
-        test/unit/tcframe/validator/VectorValidatorTests.cpp
 )
 
 add_executable(test_unit ${INCLUDE} ${TEST_UNIT})

include/tcframe/validator/core.hpp

@@ -3,6 +3,8 @@
 
 using std::enable_if_t;
 using std::is_arithmetic_v;
+using std::size_t;
+using std::vector;
 
 namespace tcframe {
 
@@ -27,4 +29,89 @@ ScalarValidator<T> valueOf(T val) {
     return ScalarValidator(val);
 }
 
+template<typename T, typename = ScalarType<T>>
+struct VectorElementValidator {
+private:
+    const vector<T>& val;
+
+public:
+    explicit VectorElementValidator(const vector<T>& _val) : val(_val) {}
+
+    bool isBetween(T minVal, T maxVal) {
+        for (T v : val) {
+            if (!valueOf(v).isBetween(minVal, maxVal)) {
+                return false;
+            }
+        }
+        return true;
+    }
+};
+
+template<typename T, typename = ScalarType<T>>
+VectorElementValidator<T> eachElementOf(const vector<T>& val) {
+    return VectorElementValidator(val);
+}
+
+template<typename T, typename = ScalarType<T>>
+VectorElementValidator<T> eachElementOf(vector<T>&& val) {
+    return VectorElementValidator(val);
+}
+
+template<typename T, typename = ScalarType<T>>
+struct VectorElementsValidator {
+private:
+    const vector<T>& val;
+
+public:
+    explicit VectorElementsValidator(const vector<T>& _val) : val(_val) {}
+
+    bool areAscending() {
+        for (size_t i = 1; i < val.size(); ++i) {
+            if (val[i - 1] >= val[i]) {
+                return false;
+            }
+        }
+        return true;
+    }
+
+    bool areDescending() {
+        for (size_t i = 1; i < val.size(); ++i) {
+            if (val[i - 1] >= val[i]) {
+                return false;
+            }
+        }
+        return true;
+    }
+
+    bool areNonAscending() {
+        for (size_t i = 1; i < val.size(); ++i) {
+            if (val[i - 1] < val[i]) {
+                return false;
+            }
+        }
+        return true;
+    }
+
+    bool areNonDescending() {
+        for (size_t i = 1; i < val.size(); ++i) {
+            if (val[i - 1] > val[i]) {
+                return false;
+            }
+        }
+        return true;
+    }
+
+    bool areUnique() {
+        vector<T> v = *val;
+        sort(v.begin(), v.end());
+        size_t ns = unique(v.begin(), v.end()) - v.begin();
+        return ns == v.size();
+    }
+};
+
+template<typename T, typename = ScalarType<T>>
+VectorElementsValidator<T> elementsOf(const vector<T>& val) {
+    return VectorElementsValidator(val);
+}
+
 }

test/unit/tcframe/validator/CoreValidatorTests.cpp

@@ -18,4 +18,52 @@ TEST_F(CoreValidatorTests, valueOf_isBetween) {
     EXPECT_TRUE(valueOf(5).isBetween(0, 10));
 }
 
+TEST_F(CoreValidatorTests, eachElementOf_isBetween) {
+    EXPECT_FALSE(eachElementOf(vector<int>{2, 3, 1, 5, 4}).isBetween(1, 4));
+    EXPECT_FALSE(eachElementOf(vector<int>{2, 3, 1, 5, 4}).isBetween(2, 5));
+    EXPECT_FALSE(eachElementOf(vector<int>{2, 3, 1, 5, 4}).isBetween(2, 4));
+    EXPECT_TRUE(eachElementOf(vector<int>{2, 3, 1, 5, 4}).isBetween(1, 5));
+    EXPECT_TRUE(eachElementOf(vector<int>{2, 3, 1, 5, 4}).isBetween(0, 6));
+}
+
+TEST_F(CoreValidatorTests, elementsOf_areAscending) {
+    EXPECT_FALSE(elementsOf(vector<int>{1, 2, 3, 5, 3}).areAscending());
+    EXPECT_FALSE(elementsOf(vector<int>{2, 1, 1, 2, 5}).areAscending());
+    EXPECT_FALSE(elementsOf(vector<int>{1, 1, 2, 3, 3, 7}).areAscending());
+    EXPECT_TRUE(elementsOf(vector<int>()).areAscending());
+    EXPECT_TRUE(elementsOf(vector<int>{1, 2, 3, 4, 5}).areAscending());
+}
+
+TEST_F(CoreValidatorTests, elementsOf_areDescending) {
+    EXPECT_FALSE(elementsOf(vector<int>{3, 5, 3, 2, 1}).areDescending());
+    EXPECT_FALSE(elementsOf(vector<int>{5, 2, 1, 1, 2}).areDescending());
+    EXPECT_FALSE(elementsOf(vector<int>{7, 3, 3, 2, 1, 1}).areDescending());
+    EXPECT_TRUE(elementsOf(vector<int>()).areDescending());
+    EXPECT_TRUE(elementsOf(vector<int>{5, 4, 3, 2, 1}).areDescending());
+}
+
+TEST_F(CoreValidatorTests, elementsOf_areNonAscending) {
+    EXPECT_FALSE(elementsOf(vector<int>{3, 5, 3, 2, 1}).areNonAscending());
+    EXPECT_FALSE(elementsOf(vector<int>{5, 2, 1, 1, 2}).areNonAscending());
+    EXPECT_TRUE(elementsOf(vector<int>()).areNonAscending());
+    EXPECT_TRUE(elementsOf(vector<int>{5, 4, 3, 2, 1}).areNonAscending());
+    EXPECT_TRUE(elementsOf(vector<int>{7, 3, 3, 2, 1, 1}).areNonAscending());
+}
+
+TEST_F(CoreValidatorTests, elementsOf_areNonDescending) {
+    EXPECT_FALSE(elementsOf(vector<int>{1, 2, 3, 5, 3}).areNonDescending());
+    EXPECT_FALSE(elementsOf(vector<int>{2, 1, 1, 2, 5}).areNonDescending());
+    EXPECT_TRUE(elementsOf(vector<int>()).areNonDescending());
+    EXPECT_TRUE(elementsOf(vector<int>{1, 2, 3, 4, 5}).areNonDescending());
+    EXPECT_TRUE(elementsOf(vector<int>{1, 1, 2, 3, 3, 7}).areNonDescending());
+}
+
+TEST_F(CoreValidatorTests, elementsOf_areUnique) {
+    EXPECT_FALSE(elementsOf(vector<int>{5, 1, 3, 4, 2, 1}).areUnique());
+    EXPECT_FALSE(elementsOf(vector<char>{'a', 'c', 'f', 'f', 'd'}).areUnique());
+    EXPECT_TRUE(elementsOf(vector<int>()).areUnique());
+    EXPECT_TRUE(elementsOf(vector<int>{5, 2, 4, 1, 9}).areUnique());
+    EXPECT_TRUE(elementsOf(vector<char>{'a', 'x', 'd', 'g', 'h'}).areUnique());
+}
+
 }