diff --git a/packages/client/test/unit/util/typeCasting.test.ts b/packages/client/test/unit/util/typeCasting.test.ts
index 783074e..51902cb 100644
--- a/packages/client/test/unit/util/typeCasting.test.ts
+++ b/packages/client/test/unit/util/typeCasting.test.ts
@@ -1,4 +1,13 @@
-import {Bool, Field, Float64, Int64, Uint64, Utf8} from 'apache-arrow'
+import {
+  Bool,
+  Field,
+  Float64,
+  Int64,
+  Timestamp,
+  TimeUnit,
+  Uint64,
+  Utf8,
+} from 'apache-arrow'
 import {getMappedValue} from '../../../src/util/TypeCasting'
 import {expect} from 'chai'
 
@@ -30,6 +39,21 @@ describe('Type casting test', () => {
     field = generateStringField(fieldName)
     expect(getMappedValue(field, 'a')).to.equal('a')
     expect(getMappedValue(field, true)).to.equal(true)
+
+    field = generateTimeStamp(fieldName)
+    const nowNanoSecond = Date.now() * 1_000_000
+    expect(getMappedValue(field, nowNanoSecond)).to.equal(nowNanoSecond)
+
+    field = generateIntFieldTestTypeMeta(fieldName)
+    expect(getMappedValue(field, 1)).to.equal(1)
+
+    // If metadata is null return the value
+    field = new Field(fieldName, new Int64(), true, null)
+    expect(getMappedValue(field, 1)).to.equal(1)
+
+    // If value is null return null
+    field = new Field(fieldName, new Int64(), true, null)
+    expect(getMappedValue(field, null)).to.equal(null)
   })
 })
 
@@ -62,3 +86,15 @@ function generateBooleanField(name: string): Field {
   map.set('iox::column::type', 'iox::column_type::field::boolean')
   return new Field(name, new Bool(), true, map)
 }
+
+function generateIntFieldTestTypeMeta(name: string): Field {
+  const map = new Map<string, string>()
+  map.set('iox::column::type', 'iox::column_type::field::test')
+  return new Field(name, new Int64(), true, map)
+}
+
+function generateTimeStamp(name: string): Field {
+  const map = new Map<string, string>()
+  map.set('iox::column::type', 'iox::column_type::timestamp')
+  return new Field(name, new Timestamp(TimeUnit.NANOSECOND), true, map)
+}