From cdab2b8d87db346a8f965b1e446ce52f50b3c294 Mon Sep 17 00:00:00 2001
From: Ashar Fuadi <fushar@gmail.com>
Date: Sat, 2 Nov 2024 22:15:13 +0700
Subject: [PATCH] kagi

---
 include/tcframe/validator/core.hpp            | 23 +++++++++++++++++++
 .../tcframe/validator/CoreValidatorTests.cpp  | 12 ++++++++++
 2 files changed, 35 insertions(+)

diff --git a/include/tcframe/validator/core.hpp b/include/tcframe/validator/core.hpp
index 5a89b05..3050cfb 100644
--- a/include/tcframe/validator/core.hpp
+++ b/include/tcframe/validator/core.hpp
@@ -134,4 +134,27 @@ inline StringElementValidator eachCharacterOf(const string& val) {
     return StringElementValidator(val);
 }
 
+template<typename T, typename = ScalarType<T>>
+struct MatrixElementValidator {
+private:
+    const vector<vector<T>>& val;
+
+public:
+    explicit MatrixElementValidator(const vector<vector<T>>& _val) : val(_val) {}
+
+    bool isBetween(T minVal, T maxVal) {
+        for (const vector<T>& v : val) {
+            if (!eachElementOf(v).isBetween(minVal, maxVal)) {
+                return false;
+            }
+        }
+        return true;
+    }
+};
+
+template<typename T, typename = ScalarType<T>>
+inline MatrixElementValidator<T> eachElementOf(const vector<vector<T>>& val) {
+    return MatrixElementValidator(val);
+}
+
 }
diff --git a/test/unit/tcframe/validator/CoreValidatorTests.cpp b/test/unit/tcframe/validator/CoreValidatorTests.cpp
index c3cf87f..19920fd 100644
--- a/test/unit/tcframe/validator/CoreValidatorTests.cpp
+++ b/test/unit/tcframe/validator/CoreValidatorTests.cpp
@@ -24,6 +24,18 @@ TEST_F(CoreValidatorTests, eachElementOf_isBetween) {
     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));
+
+    EXPECT_TRUE(eachElementOf(vector<int>{}).isBetween(0, 6));
+
+    EXPECT_FALSE(eachElementOf(vector<vector<int>>{
+        vector<int>{1, 2},
+        vector<int>{3, 4}}).isBetween(2, 4));
+    EXPECT_FALSE(eachElementOf(vector<vector<int>>{
+        vector<int>{1, 2},
+        vector<int>{3, 4}}).isBetween(1, 5));
+    EXPECT_TRUE(eachElementOf(vector<vector<int>>{
+        vector<int>{1, 2},
+        vector<int>{3, 4}}).isBetween(1, 4));
 }
 
 TEST_F(CoreValidatorTests, elementsOf_areAscending) {