From 71cecfdc9abcf23cd9b17edcb098cee74e769188 Mon Sep 17 00:00:00 2001
From: Philipp Kunz <gitlab@philkunz.com>
Date: Fri, 21 Jan 2022 19:40:30 +0100
Subject: [PATCH] fix(core): update

---
 ts/smartexpect.classes.assertion.ts | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/ts/smartexpect.classes.assertion.ts b/ts/smartexpect.classes.assertion.ts
index e0a211e..9430831 100644
--- a/ts/smartexpect.classes.assertion.ts
+++ b/ts/smartexpect.classes.assertion.ts
@@ -100,4 +100,31 @@ export class Assertion {
       }
     });
   }
+
+  public toBeTrue() {
+    return this.runCheck(() => {
+      const result = typeof this.baseReference === 'boolean' && this.baseReference === true;
+      if (!result) {
+        throw new Error(`${this.baseReference} is not true or not of type boolean`);
+      }
+    });
+  }
+
+  public toBeFalse() {
+    return this.runCheck(() => {
+      const result = typeof this.baseReference === 'boolean' && this.baseReference === false;
+      if (!result) {
+        throw new Error(`${this.baseReference} is not false or not of type boolean`);
+      }
+    });
+  }
+
+  public toBeInstanceOf(classArg: any) {
+    return this.runCheck(() => {
+      const result = this.baseReference instanceof classArg;
+      if (!result) {
+        throw new Error(`${this.baseReference} is not an instance of ${classArg}`);
+      }
+    });
+  }
 }