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# XCTMeasureOptions

Options to control the gathering of performance measurements during tests.

```
class XCTMeasureOptions
```

## Topics

### Getting Default Options

[`class var `default`: XCTMeasureOptions`](/documentation/XCTest/XCTMeasureOptions/default)

The default measurement options.

### Using Option Details

[`var invocationOptions: XCTMeasureOptions.InvocationOptions`](/documentation/XCTest/XCTMeasureOptions/invocationOptions-swift.property)

Options that define whether measurement is automatically or manually controlled.

[`struct InvocationOptions`](/documentation/XCTest/XCTMeasureOptions/InvocationOptions-swift.struct)

Test measurement options that control how measurement starts and stops.

[`var iterationCount: Int`](/documentation/XCTest/XCTMeasureOptions/iterationCount)

The number of times the performance test measures its block.

## Relationships

### Inherits From

[`NSObject-swift.class`](/documentation/ObjectiveC/NSObject-swift.class)

### Conforms To

[`Hashable`](/documentation/Swift/Hashable)

[`CustomDebugStringConvertible`](/documentation/Swift/CustomDebugStringConvertible)

[`Equatable`](/documentation/Swift/Equatable)

[`CustomStringConvertible`](/documentation/Swift/CustomStringConvertible)

[`CVarArg`](/documentation/Swift/CVarArg)

[`NSObjectProtocol`](/documentation/ObjectiveC/NSObjectProtocol)

---

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