Add HasValue

Author: Muhammad Rehan Saeed

Source/Schema.NET/Values{T1,T2,T3,T4}.cs

@@ -122,6 +122,11 @@ public Values(IEnumerable<object> items)
         /// </summary>
         public int Count => this.Value1.Count + this.Value2.Count + this.Value3.Count + this.Value4.Count;
 
+        /// <summary>
+        /// Gets a value indicating whether this instance has a value.
+        /// </summary>
+        public bool HasValue => this.HasValue1 || this.HasValue2 || this.HasValue3 || this.HasValue4;
+
         /// <summary>
         /// Gets whether the value of type <typeparamref name="T1" /> has a value.
         /// </summary>

Source/Schema.NET/Values{T1,T2,T3}.cs

@@ -96,6 +96,11 @@ public Values(IEnumerable<object> items)
         /// </summary>
         public int Count => this.Value1.Count + this.Value2.Count + this.Value3.Count;
 
+        /// <summary>
+        /// Gets a value indicating whether this instance has a value.
+        /// </summary>
+        public bool HasValue => this.HasValue1 || this.HasValue2 || this.HasValue3;
+
         /// <summary>
         /// Gets whether the value of type <typeparamref name="T1" /> has a value.
         /// </summary>

Source/Schema.NET/Values{T1,T2}.cs

@@ -74,6 +74,11 @@ public Values(IEnumerable<object> items)
         /// </summary>
         public int Count => this.Value1.Count + this.Value2.Count;
 
+        /// <summary>
+        /// Gets a value indicating whether this instance has a value.
+        /// </summary>
+        public bool HasValue => this.HasValue1 || this.HasValue2;
+
         /// <summary>
         /// Gets whether the value of type <typeparamref name="T1" /> has a value.
         /// </summary>

Tests/Schema.NET.Test/Values2Test.cs

@@ -58,6 +58,16 @@ public void Constructor_NullList_ThrowsArgumentNullException() =>
         public void Count_Items_ReturnsExpectedCount(int expectedCount, params object[] items) =>
             Assert.Equal(expectedCount, new Values<int, string>(items).Count);
 
+        [Fact]
+        public void HasValue_DoesntHaveValue_ReturnsFalse() =>
+            Assert.False(default(Values<int, string>).HasValue);
+
+        [Theory]
+        [InlineData(1)]
+        [InlineData("Foo")]
+        public void HasValue_HasValue_ReturnsTrue(params object[] parameters) =>
+            Assert.True(new Values<int, string>(parameters).HasValue);
+
         [Fact]
         public void HasValue1_HasValue_ReturnsTrue() => Assert.True(new Values<int, string>(1).HasValue1);
 

Tests/Schema.NET.Test/Values3Test.cs

@@ -76,6 +76,17 @@ public void Constructor_NullList_ThrowsArgumentNullException() =>
         public void Count_Items_ReturnsExpectedCount(int expectedCount, params object[] items) =>
             Assert.Equal(expectedCount, new Values<int, string, DayOfWeek>(items).Count);
 
+        [Fact]
+        public void HasValue_DoesntHaveValue_ReturnsFalse() =>
+            Assert.False(default(Values<int, string, DayOfWeek>).HasValue);
+
+        [Theory]
+        [InlineData(1)]
+        [InlineData("Foo")]
+        [InlineData(DayOfWeek.Friday)]
+        public void HasValue_HasValue_ReturnsTrue(params object[] parameters) =>
+            Assert.True(new Values<int, string, DayOfWeek>(parameters).HasValue);
+
         [Fact]
         public void HasValue1_HasValue_ReturnsTrue() =>
             Assert.True(new Values<int, string, DayOfWeek>(1).HasValue1);

Tests/Schema.NET.Test/Values4Test.cs

@@ -96,6 +96,17 @@ public void Constructor_NullList_ThrowsArgumentNullException() =>
         public void Count_Items_ReturnsExpectedCount(int expectedCount, params object[] items) =>
             Assert.Equal(expectedCount, new Values<int, string, DayOfWeek, Person>(items).Count);
 
+        [Fact]
+        public void HasValue_DoesntHaveValue_ReturnsFalse() =>
+            Assert.False(default(Values<int, string, DayOfWeek, Person>).HasValue);
+
+        [Theory]
+        [InlineData(1)]
+        [InlineData("Foo")]
+        [InlineData(DayOfWeek.Friday)]
+        public void HasValue_HasValue_ReturnsTrue(params object[] parameters) =>
+            Assert.True(new Values<int, string, DayOfWeek, Person>(parameters).HasValue);
+
         [Fact]
         public void HasValue1_HasValue_ReturnsTrue() =>
             Assert.True(new Values<int, string, DayOfWeek, Person>(1).HasValue1);