| <html><head><title>ovm_test</title><link rel="stylesheet" type="text/css" href="../../styles/main.css"><script language=JavaScript src="../../javascript/main.js"></script></head><body class="FramedContentPage" onLoad="NDOnLoad()"><script language=JavaScript><!-- |
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| <div class="CClass"><div class=CTopic id=MainTopic><h1 class=CTitle><a name="ovm_test" href="../../../../src/methodology/ovm_test.svh">ovm_test</a></h1><div class=CBody><p>This class is the virtual base class for the user-defined tests.</p><p>The ovm_test virtual class should be used as the base class for user-defined tests. Doing so provides the ability to select which test to execute using the OVM_TESTNAME command line or argument to the <a href="../base/ovm_root-svh.html#ovm_root.run_test" class=LMethod id=link7 onMouseOver="ShowTip(event, 'tt6', 'link7')" onMouseOut="HideTip('tt6')">ovm_root::run_test</a> task.</p><p>For example</p><blockquote><pre>prompt> SIM_COMMAND +OVM_TESTNAME=test_bus_retry</pre></blockquote><p>The global run_test() task should be specified inside an initial block such as</p><blockquote><pre>initial run_test();</pre></blockquote><p>Multiple tests, identified by their type name, are compiled in and then selected for execution from the command line without need for recompilation. Random seed selection is also available on the command line.</p><p>If +OVM_TESTNAME=test_name is specified, then an object of type ‘test_name’ is created by factory and phasing begins. Here, it is presumed that the test will instantiate the test environment, or the test environment will have already been instantiated before the call to run_test().</p><p>If the specified test_name cannot be created by the <a href="../base/ovm_factory-svh.html#ovm_factory" class=LClass id=link8 onMouseOver="ShowTip(event, 'tt7', 'link8')" onMouseOut="HideTip('tt7')">ovm_factory</a>, then a fatal error occurs. If run_test() is called without OVM_TESTNAME being specified, then all components constructed before the call to run_test will be cycled through their simulation phases.</p><p>Deriving from ovm_test will allow you to distinguish tests from other component types that inherit from ovm_component directly. Such tests will automatically inherit features that may be added to ovm_test in the future.</p> |
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| <div class=Summary><div class=STitle>Summary</div><div class=SBorder><table border=0 cellspacing=0 cellpadding=0 class=STable> |
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| <tr class="SClass"><td colspan=2 class=SEntry><a href="#ovm_test" id=link4 onMouseOver="ShowTip(event, 'tt4', 'link4')" onMouseOut="HideTip('tt4')">ovm_test</a></td></tr> |
| <tr class=SMain><td colspan=2 class=SWideDescription>This class is the virtual base class for the user-defined tests.</td></tr> |
| <tr class="SHierarchy SIndent1 "><td colspan=2 class="SEntry SIndent1">Class Hierarchy</td><tr><tr class="SPrototype SIndent1"><td colspan=2 class=SDescription><div class=ClassHierarchy> |
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| <tr><td><div class=CHParent><div class=CHEntry><a href="../base/ovm_object-svh.html#ovm_object" class=LClass id=link1 onMouseOver="ShowTip(event, 'tt1', 'link1')" onMouseOut="HideTip('tt1')">ovm_object</a></div></div></td></tr> |
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| <tr><td><div class=CHParent><div class=CHEntry><a href="../base/ovm_report_object-svh.html#ovm_report_object" class=LClass id=link2 onMouseOver="ShowTip(event, 'tt2', 'link2')" onMouseOut="HideTip('tt2')">ovm_report_object</a></div></div></td></tr> |
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| <tr><td><div class=CHParent><div class=CHEntry><a href="../base/ovm_component-svh.html#ovm_component" class=LClass id=link3 onMouseOver="ShowTip(event, 'tt3', 'link3')" onMouseOut="HideTip('tt3')">ovm_component</a></div></div></td></tr> |
| <tr><td><div class=CHCurrent><div class=CHEntry>ovm_test</div></div></td></tr></table> |
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| <td colspan=2 class="SEntry SIndent1">Class Declaration</td><tr><tr class="SPrototype SIndent1"><td colspan=2 class=SDescription><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td>virtual class ovm_test extends ovm_component</td></tr></table></blockquote></td></tr> |
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| <tr class="SGroup SIndent1"><td class=SEntry><a href="#ovm_test.Methods" >Methods</a></td><td class=SDescription></td></tr> |
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| <tr class="SMethod SIndent2"><td class=SEntry><a href="#ovm_test.new" id=link5 onMouseOver="ShowTip(event, 'tt5', 'link5')" onMouseOut="HideTip('tt5')">new</a></td><td class=SDescription>Creates and initializes an instance of this class using the normal constructor arguments for <a href="../base/ovm_component-svh.html#ovm_component" class=LClass id=link6 onMouseOver="ShowTip(event, 'tt3', 'link6')" onMouseOut="HideTip('tt3')">ovm_component</a>: <i>name</i> is the name of the instance, and <i>parent</i> is the handle to the hierarchical parent, if any.</td></tr></table></div></div><!--END_ND_SUMMARY--></div></div></div> |
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| <div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="ovm_test.Methods" href="../../../../src/methodology/ovm_test.svh">Methods</a></h3></div></div> |
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| <div class="CMethod"><div class=CTopic><h3 class=CTitle><a name="ovm_test.new" href="../../../../src/methodology/ovm_test.svh">new</a></h3><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>function new (</td><td class=PType nowrap>string </td><td class=PParameter nowrap>name,</td></tr><tr><td></td><td class=PType nowrap>ovm_component </td><td class=PParameter nowrap>parent</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><div class=CBody><p>Creates and initializes an instance of this class using the normal constructor arguments for <a href="../base/ovm_component-svh.html#ovm_component" class=LClass id=link9 onMouseOver="ShowTip(event, 'tt3', 'link9')" onMouseOut="HideTip('tt3')">ovm_component</a>: <i>name</i> is the name of the instance, and <i>parent</i> is the handle to the hierarchical parent, if any.</p></div></div></div> |
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| <div class=CToolTip id="tt1"><div class=CClass><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td>virtual class ovm_object extends ovm_void</td></tr></table></blockquote>The ovm_object class is the base class for all OVM data and hierarchical classes. </div></div><div class=CToolTip id="tt2"><div class=CClass><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td>class ovm_report_object extends ovm_object</td></tr></table></blockquote>The ovm_report_object provides an interface to the OVM reporting facility. </div></div><div class=CToolTip id="tt3"><div class=CClass><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td>virtual class ovm_component extends ovm_report_object</td></tr></table></blockquote>The ovm_component class is the root base class for OVM components. </div></div><div class=CToolTip id="tt4"><div class=CClass><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td>virtual class ovm_test extends ovm_component</td></tr></table></blockquote>This class is the virtual base class for the user-defined tests.</div></div><div class=CToolTip id="tt5"><div class=CMethod><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>function new (</td><td class=PType nowrap>string </td><td class=PParameter nowrap>name,</td></tr><tr><td></td><td class=PType nowrap>ovm_component </td><td class=PParameter nowrap>parent</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Creates and initializes an instance of this class using the normal constructor arguments for ovm_component: <i>name</i> is the name of the instance, and <i>parent</i> is the handle to the hierarchical parent, if any.</div></div><div class=CToolTip id="tt6"><div class=CMethod><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>virtual task run_test (</td><td class=PType nowrap>string </td><td class=PParameter nowrap>test_name</td><td class=PDefaultValuePrefix> = </td><td class=PDefaultValue width=100%>""</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Phases all components through all registered phases. </div></div><div class=CToolTip id="tt7"><div class=CClass><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td>class ovm_factory</td></tr></table></blockquote>As the name implies, ovm_factory is used to manufacture (create) OVM objects and components. </div></div><!--END_ND_TOOLTIPS--> |
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