From 0a0c7bf60560b59a3ce9bcdfee3eeda8daf5135e Mon Sep 17 00:00:00 2001
From: JoelGunawan <39652408+JoelGunawan@users.noreply.github.com>
Date: Mon, 14 Oct 2024 20:56:44 +0700
Subject: [PATCH 1/2] Add elementsAreNonDecreasing() validator (#193)

---
 include/tcframe/validator/vector.hpp                 | 10 ++++++++++
 test/unit/tcframe/validator/VectorValidatorTests.cpp |  8 ++++++++
 2 files changed, 18 insertions(+)

diff --git a/include/tcframe/validator/vector.hpp b/include/tcframe/validator/vector.hpp
index 25d5671..240a554 100644
--- a/include/tcframe/validator/vector.hpp
+++ b/include/tcframe/validator/vector.hpp
@@ -14,4 +14,14 @@ bool eachElementIsBetween(const vector<T>& v, T minVal, T maxVal) {
     return true;
 }
 
+template<typename T>
+bool elementsAreNonDescending(const vector<T>& v) {
+    for (std::size_t i = 1; i < v.size(); ++i) {
+        if (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
index fbe8da5..612b8fd 100644
--- a/test/unit/tcframe/validator/VectorValidatorTests.cpp
+++ b/test/unit/tcframe/validator/VectorValidatorTests.cpp
@@ -17,4 +17,12 @@ TEST_F(VectorValidatorTests, eachElementIsBetween) {
     EXPECT_TRUE(eachElementIsBetween(vector<int>{2, 3, 1, 5, 4}, 0, 6));
 }
 
+TEST_F(VectorValidatorTests, elementsAreNonDescending) {
+    EXPECT_FALSE(elementsAreNonDescending(vector<int>{1, 2, 3, 5, 3}));
+    EXPECT_FALSE(elementsAreNonDescending(vector<int>{2, 1, 1, 2, 5}));
+    EXPECT_TRUE(elementsAreNonDescending(vector<int>()));
+    EXPECT_TRUE(elementsAreNonDescending(vector<int>{1, 2, 3, 4, 5}));
+    EXPECT_TRUE(elementsAreNonDescending(vector<int>{1, 1, 2, 3, 3, 7}));
+}
+
 }

From 9b6b82c25b6b7d889372a3909c415b64121b2047 Mon Sep 17 00:00:00 2001
From: JoelGunawan <39652408+JoelGunawan@users.noreply.github.com>
Date: Thu, 17 Oct 2024 20:40:35 +0700
Subject: [PATCH 2/2] Add isBetween() validator (#197)

---
 CMakeLists.txt                                |  2 ++
 include/tcframe/validator/number.hpp          |  8 +++++++
 .../validator/NumberValidatorTests.cpp        | 21 +++++++++++++++++++
 3 files changed, 31 insertions(+)
 create mode 100644 include/tcframe/validator/number.hpp
 create mode 100644 test/unit/tcframe/validator/NumberValidatorTests.cpp

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4beef06..66040d0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -164,6 +164,7 @@ set(INCLUDE
         include/tcframe/util.hpp
         include/tcframe/util/StringUtils.hpp
         include/tcframe/util/optional.hpp
+        include/tcframe/validator/number.hpp
         include/tcframe/validator/vector.hpp
 )
 
@@ -259,6 +260,7 @@ set(TEST_UNIT
         test/unit/tcframe/util/OptionalTests.cpp
         test/unit/tcframe/util/StringUtilsTests.cpp
         test/unit/tcframe/util/TestUtils.hpp
+        test/unit/tcframe/validator/NumberValidatorTests.cpp
         test/unit/tcframe/validator/VectorValidatorTests.cpp
 )
 
diff --git a/include/tcframe/validator/number.hpp b/include/tcframe/validator/number.hpp
new file mode 100644
index 0000000..f26f7fa
--- /dev/null
+++ b/include/tcframe/validator/number.hpp
@@ -0,0 +1,8 @@
+namespace tcframe {
+
+template<typename T>
+bool isBetween(T N, T mn, T mx) {
+    return N >= mn && N <= mx;
+}
+
+}
diff --git a/test/unit/tcframe/validator/NumberValidatorTests.cpp b/test/unit/tcframe/validator/NumberValidatorTests.cpp
new file mode 100644
index 0000000..9d9bc91
--- /dev/null
+++ b/test/unit/tcframe/validator/NumberValidatorTests.cpp
@@ -0,0 +1,21 @@
+#include "gmock/gmock.h"
+
+#include "tcframe/validator/number.hpp"
+
+using ::testing::Eq;
+using ::testing::Test;
+
+namespace tcframe {
+
+class NumberValidatorTests : public Test {};
+
+TEST_F(NumberValidatorTests, isBetween) {
+    EXPECT_FALSE(isBetween(5, 1, 4));
+    EXPECT_FALSE(isBetween(5, 6, 10));
+    EXPECT_FALSE(isBetween(5, 100, -100));
+    EXPECT_TRUE(isBetween(5, 1, 5));
+    EXPECT_TRUE(isBetween(5, 5, 10));
+    EXPECT_TRUE(isBetween(5, 0, 10));
+}
+
+}