Adding Captor and its test

src/Api/Captor.ts

@@ -0,0 +1,37 @@
+import {It} from "./It";
+
+export interface Captor<T> {
+    readonly value?: T
+    readonly allValues: T[]
+
+    capture(): T
+}
+
+export class ArgumentCaptor<T> implements Captor<T> {
+    static argumentCaptor<Q>() : Captor<Q> {
+        return new ArgumentCaptor<Q>();
+    }
+    private constructor() {
+    }
+
+    private capturedValues: T[] = [];
+
+    get value(): T {
+        if (this.capturedValues.length > 0) {
+            return this.capturedValues[0]
+        }
+        return undefined
+    }
+
+    get allValues(): T[] {
+        return this.capturedValues
+    }
+
+    capture(): T {
+        return It.is((arg) => {
+            this.capturedValues.push(arg);
+            return true
+        })
+    }
+}
+

src/Api/_all.ts

@@ -8,4 +8,5 @@ export * from "./IUsing";
 export * from "./IVerifies";
 export * from "./MockBehavior";
 export * from "./ExpectedCallType";
-export * from "./Times";
+export * from "./Times";
+export * from "./Captor";

src/typemoq.ts

@@ -3,8 +3,9 @@ export { MockApi as Mock } from "./Api/MockApi";
 export { IMock } from "./Api/IMock";
 export { It } from "./Api/It";
 export { Times } from "./Api/Times";
+export { Captor, ArgumentCaptor } from "./Api/Captor"
 export { ExpectedCallType } from "./Api/ExpectedCallType";
 export { GlobalMockApi as GlobalMock } from "./Api/GlobalMockApi";
 export { IGlobalMock } from "./Api/IGlobalMock";
 export { GlobalScopeApi as GlobalScope } from "./Api/GlobalScopeApi";
-export { MockException } from "./Error/MockException";
+export { MockException } from "./Error/MockException";