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| 23 | <!-- End of Header -->
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| 24 |
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| 25 | <div id="content">
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| 26 |
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| 27 | <h3>DatapointAttribute / DatapointsAttribute (NUnit 2.5) (Experimental)</h3>
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| 28 |
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| 29 | <p>The <b>Datapoint</b> and <b>Datapoints</b> attributes are used
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| 30 | to provide data for <b>Theories</b> and are ignored for ordinary
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| 31 | tests - including tests with parameters.
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| 32 |
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| 33 | <h4>DataPointAttribute</h4>
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| 34 |
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| 35 | <p>When a Theory is loaded, NUnit creates arguments for each
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| 36 | of its parameters by using any fields of the same type
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| 37 | as the parameter annotated with the <b>DatapointAttribute</b>.
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| 38 | Fields must be members of the class containing the Theory
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| 39 | and their Type must exactly match the argument for which
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| 40 | data is being supplied.
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| 41 |
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| 42 | <h4>DataPointsAttribute</h4>
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| 43 |
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| 44 | <p>In addition to specifying individual datapoints, collections of
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| 45 | datapoints may be provided by use of the <b>DatapointsAttribute</b>
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| 46 | - note the spelling. This attribute may be placed on methods or
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| 47 | properties in addition to fields. The returned value must be
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| 48 | either an array of the required type or (beginning with NUnit
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| 49 | 2.5.5) an <b>IEnumerable<T></b> returning an enumeration
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| 50 | of the required type. The data Type must exactly match the argument
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| 51 | for which data is being supplied.
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| 52 |
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| 53 | <h4>Automatically Supplied Datapoints</h4>
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| 54 |
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| 55 | <p>It is normally not necessary to specify datapoints for
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| 56 | <b>boolean</b> or <b>enum</b> arguments. Beginning with
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| 57 | version 2.5.4, NUnit automatically supplies values of <b>true</b>
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| 58 | and <b>false</b> for <b>boolean</b> arguments and will supply all
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| 59 | defined values of any enumeration.
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| 60 |
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| 61 | <p>If for some reason you don't wish to use all possible values, you
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| 62 | can override this behavior by supplying your own datapoints. If you
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| 63 | supply any datapoints for an argument, automatic datapoint generation
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| 64 | is suppressed.
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| 65 |
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| 66 | <h4>Example</h4>
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| 67 |
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| 68 | <p>For an example of use, see <a href="theory.html">TheoryAttribute</a>.
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| 69 |
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| 70 | <h4>See also...</h4>
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| 71 |
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| 72 | <ul>
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| 73 | <li><a href="theory.html">TheoryAttribute</a><li><a href="parameterizedTests.html">Parameterized Tests</a></ul>
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