diff --git a/ts/00_commitinfo_data.ts b/ts/00_commitinfo_data.ts
index 77988cb..99b9a3f 100644
--- a/ts/00_commitinfo_data.ts
+++ b/ts/00_commitinfo_data.ts
@@ -2,7 +2,7 @@
  * autocreated commitinfo by @pushrocks/commitinfo
  */
 export const commitinfo = {
-  name: '@pushrocks/smartexpect',
-  version: '1.0.15',
-  description: 'manage expectations in code',
-};
+  name: '@push.rocks/smartexpect',
+  version: '1.0.16',
+  description: 'manage expectations in code'
+}
diff --git a/ts/smartexpect.classes.assertion.ts b/ts/smartexpect.classes.assertion.ts
index 089353f..370ce55 100644
--- a/ts/smartexpect.classes.assertion.ts
+++ b/ts/smartexpect.classes.assertion.ts
@@ -277,6 +277,207 @@ export class Assertion {
     });
   }
 
+  // ... previous code ...
+
+  public toBeOneOf(values: any[]) {
+    return this.runCheck(() => {
+      const result = values.includes(this.getObjectToTestReference());
+      if (!result) {
+        throw new Error(
+          `${this.baseReference} with drill down ${this.propertyDrillDown} is not one of ${values}`
+        );
+      }
+    });
+  }
+
+  public toHaveLength(length: number) {
+    return this.runCheck(() => {
+      const obj = this.getObjectToTestReference();
+      if (typeof obj.length !== 'number' || obj.length !== length) {
+        throw new Error(
+          `${this.baseReference} with drill down ${this.propertyDrillDown} does not have a length of ${length}`
+        );
+      }
+    });
+  }
+
+  public toBeCloseTo(value: number, precision = 2) {
+    return this.runCheck(() => {
+      const difference = Math.abs(this.getObjectToTestReference() - value);
+      if (difference > Math.pow(10, -precision) / 2) {
+        throw new Error(
+          `${this.baseReference} with drill down ${this.propertyDrillDown} is not close to ${value} up to ${precision} decimal places`
+        );
+      }
+    });
+  }
+
+  public toThrow(expectedError?: any) {
+    return this.runCheck(() => {
+      let thrown = false;
+      try {
+        this.getObjectToTestReference()();
+      } catch (e) {
+        thrown = true;
+        if (expectedError && !(e instanceof expectedError)) {
+          throw new Error(
+            `Expected function to throw ${expectedError.name}, but it threw ${e.name}`
+          );
+        }
+      }
+      if (!thrown) {
+        throw new Error(`Expected function to throw, but it didn't.`);
+      }
+    });
+  }
+
+  public toBeTruthy() {
+    return this.runCheck(() => {
+      if (!this.getObjectToTestReference()) {
+        throw new Error(
+          `${this.baseReference} with drill down ${this.propertyDrillDown} is not truthy`
+        );
+      }
+    });
+  }
+
+  public toBeFalsy() {
+    return this.runCheck(() => {
+      if (this.getObjectToTestReference()) {
+        throw new Error(
+          `${this.baseReference} with drill down ${this.propertyDrillDown} is not falsy`
+        );
+      }
+    });
+  }
+
+  public toBeGreaterThanOrEqual(numberArg: number) {
+    return this.runCheck(() => {
+      if (this.getObjectToTestReference() <= numberArg) {
+        throw new Error(
+          `${this.baseReference} with drill down ${this.propertyDrillDown} is not greater than or equal to ${numberArg}`
+        );
+      }
+    });
+  }
+
+  public toBeLessThanOrEqual(numberArg: number) {
+    return this.runCheck(() => {
+      if (this.getObjectToTestReference() >= numberArg) {
+        throw new Error(
+          `${this.baseReference} with drill down ${this.propertyDrillDown} is not less than or equal to ${numberArg}`
+        );
+      }
+    });
+  }
+
+  public toMatchObject(objectArg: object) {
+    return this.runCheck(() => {
+      function deepEqual(obj1: any, obj2: any): boolean {
+        // If both are of primitive types and are equal
+        if (obj1 === obj2) {
+          return true;
+        }
+      
+        // If either of them is null or not an object
+        if (typeof obj1 !== 'object' || obj1 === null || typeof obj2 !== 'object' || obj2 === null) {
+          return false;
+        }
+      
+        const keys1 = Object.keys(obj1);
+        const keys2 = Object.keys(obj2);
+      
+        // If their properties' count doesn't match
+        if (keys1.length !== keys2.length) {
+          return false;
+        }
+      
+        // Checking if every property in obj1 has a counterpart in obj2
+        for (const key of keys1) {
+          if (!keys2.includes(key)) {
+            return false;
+          }
+          if (!deepEqual(obj1[key], obj2[key])) {
+            return false;
+          }
+        }
+      
+        return true;
+      }      
+      const partialMatch = deepEqual(
+        this.getObjectToTestReference(),
+        objectArg
+      ); // Note: Implement a deep comparison function or use one from a library
+      if (!partialMatch) {
+        throw new Error(
+          `${this.baseReference} with drill down ${this.propertyDrillDown} does not match the object ${objectArg}`
+        );
+      }
+    });
+  }
+
+  public toContainEqual(value: any) {
+    return this.runCheck(() => {
+      const arr = this.getObjectToTestReference();
+      const found = arr.some((item: any) => plugins.fastDeepEqual(item, value)); // Assuming fastDeepEqual checks deep equality
+      if (!found) {
+        throw new Error(
+          `${this.baseReference} with drill down ${this.propertyDrillDown} does not contain the value ${value}`
+        );
+      }
+    });
+  }
+
+  public toBeArray() {
+    return this.runCheck(() => {
+      if (!Array.isArray(this.getObjectToTestReference())) {
+        throw new Error(
+          `${this.baseReference} with drill down ${this.propertyDrillDown} is not an array`
+        );
+      }
+    });
+  }
+
+  public toInclude(substring: string) {
+    return this.runCheck(() => {
+      if (!this.getObjectToTestReference().includes(substring)) {
+        throw new Error(
+          `${this.baseReference} with drill down ${this.propertyDrillDown} does not include the substring ${substring}`
+        );
+      }
+    });
+  }
+
+  public toBeDate() {
+    return this.runCheck(() => {
+      if (!(this.getObjectToTestReference() instanceof Date)) {
+        throw new Error(
+          `${this.baseReference} with drill down ${this.propertyDrillDown} is not a date`
+        );
+      }
+    });
+  }
+
+  public toBeBeforeDate(date: Date) {
+    return this.runCheck(() => {
+      if (!(this.getObjectToTestReference() < date)) {
+        throw new Error(
+          `${this.baseReference} with drill down ${this.propertyDrillDown} is not before ${date}`
+        );
+      }
+    });
+  }
+
+  public toBeAfterDate(date: Date) {
+    return this.runCheck(() => {
+      if (!(this.getObjectToTestReference() > date)) {
+        throw new Error(
+          `${this.baseReference} with drill down ${this.propertyDrillDown} is not after ${date}`
+        );
+      }
+    });
+  }
+
   public property(propertyNameArg: string) {
     this.propertyDrillDown.push(propertyNameArg);
     return this;