feat: bootstrap suitelink tag client codecs

tests/SuiteLink.Client.Tests/SuiteLinkValueTests.cs

@@ -0,0 +1,76 @@
+using SuiteLink.Client;
+
+namespace SuiteLink.Client.Tests;
+
+public sealed class SuiteLinkValueTests
+{
+    [Fact]
+    public void Default_ValueIsNone_AndTryGetMethodsReturnFalse()
+    {
+        var value = default(SuiteLinkValue);
+
+        Assert.Equal(SuiteLinkValueKind.None, value.Kind);
+        Assert.False(value.TryGetBoolean(out _));
+        Assert.False(value.TryGetInt32(out _));
+        Assert.False(value.TryGetFloat32(out _));
+        Assert.False(value.TryGetString(out _));
+    }
+
+    [Fact]
+    public void FromBoolean_CreatesBooleanValue_AndTryGetBooleanSucceeds()
+    {
+        var value = SuiteLinkValue.FromBoolean(true);
+
+        Assert.Equal(SuiteLinkValueKind.Boolean, value.Kind);
+        Assert.True(value.TryGetBoolean(out var boolValue));
+        Assert.True(boolValue);
+        Assert.False(value.TryGetInt32(out _));
+        Assert.False(value.TryGetFloat32(out _));
+        Assert.False(value.TryGetString(out _));
+    }
+
+    [Fact]
+    public void FromInt32_CreatesInt32Value_AndTryGetInt32Succeeds()
+    {
+        var value = SuiteLinkValue.FromInt32(42);
+
+        Assert.Equal(SuiteLinkValueKind.Int32, value.Kind);
+        Assert.True(value.TryGetInt32(out var intValue));
+        Assert.Equal(42, intValue);
+        Assert.False(value.TryGetBoolean(out _));
+        Assert.False(value.TryGetFloat32(out _));
+        Assert.False(value.TryGetString(out _));
+    }
+
+    [Fact]
+    public void FromFloat32_CreatesFloat32Value_AndTryGetFloat32Succeeds()
+    {
+        var value = SuiteLinkValue.FromFloat32(12.5f);
+
+        Assert.Equal(SuiteLinkValueKind.Float32, value.Kind);
+        Assert.True(value.TryGetFloat32(out var floatValue));
+        Assert.Equal(12.5f, floatValue);
+        Assert.False(value.TryGetBoolean(out _));
+        Assert.False(value.TryGetInt32(out _));
+        Assert.False(value.TryGetString(out _));
+    }
+
+    [Fact]
+    public void FromString_CreatesStringValue_AndTryGetStringSucceeds()
+    {
+        var value = SuiteLinkValue.FromString("tag-value");
+
+        Assert.Equal(SuiteLinkValueKind.String, value.Kind);
+        Assert.True(value.TryGetString(out var stringValue));
+        Assert.Equal("tag-value", stringValue);
+        Assert.False(value.TryGetBoolean(out _));
+        Assert.False(value.TryGetInt32(out _));
+        Assert.False(value.TryGetFloat32(out _));
+    }
+
+    [Fact]
+    public void FromString_NullValue_ThrowsArgumentNullException()
+    {
+        Assert.Throws<ArgumentNullException>(() => SuiteLinkValue.FromString(null!));
+    }
+}