<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <!--Rendered using the Haskell Html Library v0.2--> <HTML ><HEAD ><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=UTF-8" ><TITLE >Test.QuickCheck.Batch</TITLE ><LINK HREF="haddock.css" REL="stylesheet" TYPE="text/css" ><SCRIPT SRC="haddock-util.js" TYPE="text/javascript" ></SCRIPT ><SCRIPT TYPE="text/javascript" >window.onload = function () {setSynopsis("mini_Test-QuickCheck-Batch.html")};</SCRIPT ></HEAD ><BODY ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="topbar" ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD ><IMG SRC="haskell_icon.gif" WIDTH="16" HEIGHT="16" ALT=" " ></TD ><TD CLASS="title" >QuickCheck-1.2.0.0: Automatic testing of Haskell programs</TD ><TD CLASS="topbut" ><A HREF="index.html" >Contents</A ></TD ><TD CLASS="topbut" ><A HREF="doc-index.html" >Index</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="modulebar" ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD ><FONT SIZE="6" >Test.QuickCheck.Batch</FONT ></TD ><TD ALIGN="right" ><TABLE CLASS="narrow" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="infohead" >Portability</TD ><TD CLASS="infoval" >non-portable (uses Control.Exception, Control.Concurrent)</TD ></TR ><TR ><TD CLASS="infohead" >Stability</TD ><TD CLASS="infoval" >experimental</TD ></TR ><TR ><TD CLASS="infohead" >Maintainer</TD ><TD CLASS="infoval" >libraries@haskell.org</TD ></TR ></TABLE ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="section1" >Description</TD ></TR ><TR ><TD CLASS="doc" ><P >A batch driver for running QuickCheck. </P ><P ><EM >Note:</EM > in GHC only, it is possible to place a time limit on each test, to ensure that testing terminates. </P ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="section1" >Synopsis</TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="body" ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="decl" ><A HREF="#v%3Arun" >run</A > :: <A HREF="Test-QuickCheck.html#t%3ATestable" >Testable</A > a => a -> <A HREF="Test-QuickCheck-Batch.html#t%3ATestOptions" >TestOptions</A > -> <A HREF="../base/System-IO.html#t%3AIO" >IO</A > <A HREF="Test-QuickCheck-Batch.html#t%3ATestResult" >TestResult</A ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3ArunTests" >runTests</A > :: <A HREF="../base/Data-Char.html#t%3AString" >String</A > -> <A HREF="Test-QuickCheck-Batch.html#t%3ATestOptions" >TestOptions</A > -> [<A HREF="Test-QuickCheck-Batch.html#t%3ATestOptions" >TestOptions</A > -> <A HREF="../base/System-IO.html#t%3AIO" >IO</A > <A HREF="Test-QuickCheck-Batch.html#t%3ATestResult" >TestResult</A >] -> <A HREF="../base/System-IO.html#t%3AIO" >IO</A > <A HREF="../ghc-prim/GHC-Unit.html#t%3A%28%29" >()</A ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3AdefOpt" >defOpt</A > :: <A HREF="Test-QuickCheck-Batch.html#t%3ATestOptions" >TestOptions</A ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><SPAN CLASS="keyword" >data</SPAN > <A HREF="#t%3ATestOptions" >TestOptions</A > = <A HREF="#v%3ATestOptions" >TestOptions</A > {<TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="recfield" ><A HREF="#v%3Ano_of_tests" >no_of_tests</A > :: <A HREF="../ghc-prim/GHC-Types.html#t%3AInt" >Int</A ></TD ></TR ><TR ><TD CLASS="recfield" ><A HREF="#v%3Alength_of_tests" >length_of_tests</A > :: <A HREF="../ghc-prim/GHC-Types.html#t%3AInt" >Int</A ></TD ></TR ><TR ><TD CLASS="recfield" ><A HREF="#v%3Adebug_tests" >debug_tests</A > :: <A HREF="../ghc-prim/GHC-Bool.html#t%3ABool" >Bool</A ></TD ></TR ></TABLE >}</TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="decl" ><SPAN CLASS="keyword" >data</SPAN > <A HREF="#t%3ATestResult" >TestResult</A > </TD ></TR ><TR ><TD CLASS="body" ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="decl" >= <A HREF="#v%3ATestOk" >TestOk</A > <A HREF="../base/Data-Char.html#t%3AString" >String</A > <A HREF="../ghc-prim/GHC-Types.html#t%3AInt" >Int</A > [[<A HREF="../base/Data-Char.html#t%3AString" >String</A >]]</TD ></TR ><TR ><TD CLASS="decl" >| <A HREF="#v%3ATestExausted" >TestExausted</A > <A HREF="../base/Data-Char.html#t%3AString" >String</A > <A HREF="../ghc-prim/GHC-Types.html#t%3AInt" >Int</A > [[<A HREF="../base/Data-Char.html#t%3AString" >String</A >]]</TD ></TR ><TR ><TD CLASS="decl" >| <A HREF="#v%3ATestFailed" >TestFailed</A > [<A HREF="../base/Data-Char.html#t%3AString" >String</A >] <A HREF="../ghc-prim/GHC-Types.html#t%3AInt" >Int</A ></TD ></TR ><TR ><TD CLASS="decl" >| <A HREF="#v%3ATestAborted" >TestAborted</A > <A HREF="../base/Control-OldException.html#t%3AException" >Exception</A ></TD ></TR ></TABLE ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3AisBottom" >isBottom</A > :: a -> <A HREF="../ghc-prim/GHC-Bool.html#t%3ABool" >Bool</A ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3Abottom" >bottom</A > :: a</TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="section1" >Documentation</TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="decl" ><A NAME="v:run" ><A NAME="v%3Arun" ></A ></A ><B >run</B > :: <A HREF="Test-QuickCheck.html#t%3ATestable" >Testable</A > a => a -> <A HREF="Test-QuickCheck-Batch.html#t%3ATestOptions" >TestOptions</A > -> <A HREF="../base/System-IO.html#t%3AIO" >IO</A > <A HREF="Test-QuickCheck-Batch.html#t%3ATestResult" >TestResult</A ></TD ></TR ><TR ><TD CLASS="doc" >Run the test. Here we use the same random number each time, so we get reproducable results! </TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="decl" ><A NAME="v:runTests" ><A NAME="v%3ArunTests" ></A ></A ><B >runTests</B > :: <A HREF="../base/Data-Char.html#t%3AString" >String</A > -> <A HREF="Test-QuickCheck-Batch.html#t%3ATestOptions" >TestOptions</A > -> [<A HREF="Test-QuickCheck-Batch.html#t%3ATestOptions" >TestOptions</A > -> <A HREF="../base/System-IO.html#t%3AIO" >IO</A > <A HREF="Test-QuickCheck-Batch.html#t%3ATestResult" >TestResult</A >] -> <A HREF="../base/System-IO.html#t%3AIO" >IO</A > <A HREF="../ghc-prim/GHC-Unit.html#t%3A%28%29" >()</A ></TD ></TR ><TR ><TD CLASS="doc" >Prints a one line summary of various tests with common theme </TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="decl" ><A NAME="v:defOpt" ><A NAME="v%3AdefOpt" ></A ></A ><B >defOpt</B > :: <A HREF="Test-QuickCheck-Batch.html#t%3ATestOptions" >TestOptions</A ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="decl" ><SPAN CLASS="keyword" >data</SPAN > <A NAME="t:TestOptions" ><A NAME="t%3ATestOptions" ></A ></A ><B >TestOptions</B > </TD ></TR ><TR ><TD CLASS="body" ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="section4" >Constructors</TD ></TR ><TR ><TD CLASS="body" ><TABLE CLASS="vanilla" CELLSPACING="5" CELLPADDING="0" ><TR ><TD CLASS="arg" ><A NAME="v:TestOptions" ><A NAME="v%3ATestOptions" ></A ></A ><B >TestOptions</B ></TD ><TD CLASS="rdoc" ></TD ></TR ><TR ><TD CLASS="body" COLSPAN="2" ><TABLE CLASS="vanilla" CELLSPACING="1" CELLPADDING="0" ><TR ><TD CLASS="arg" ><A NAME="v:no_of_tests" ><A NAME="v%3Ano_of_tests" ></A ></A ><B >no_of_tests</B > :: <A HREF="../ghc-prim/GHC-Types.html#t%3AInt" >Int</A ></TD ><TD CLASS="rdoc" >number of tests to run. </TD ></TR ><TR ><TD CLASS="arg" ><A NAME="v:length_of_tests" ><A NAME="v%3Alength_of_tests" ></A ></A ><B >length_of_tests</B > :: <A HREF="../ghc-prim/GHC-Types.html#t%3AInt" >Int</A ></TD ><TD CLASS="rdoc" >time limit for test, in seconds. If zero, no time limit. <EM >Note:</EM > only GHC supports time limits. </TD ></TR ><TR ><TD CLASS="arg" ><A NAME="v:debug_tests" ><A NAME="v%3Adebug_tests" ></A ></A ><B >debug_tests</B > :: <A HREF="../ghc-prim/GHC-Bool.html#t%3ABool" >Bool</A ></TD ><TD CLASS="rdoc" ></TD ></TR ></TABLE ></TD ></TR ></TABLE ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="decl" ><SPAN CLASS="keyword" >data</SPAN > <A NAME="t:TestResult" ><A NAME="t%3ATestResult" ></A ></A ><B >TestResult</B > </TD ></TR ><TR ><TD CLASS="body" ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="section4" >Constructors</TD ></TR ><TR ><TD CLASS="body" ><TABLE CLASS="vanilla" CELLSPACING="1" CELLPADDING="0" ><TR ><TD CLASS="arg" ><A NAME="v:TestOk" ><A NAME="v%3ATestOk" ></A ></A ><B >TestOk</B > <A HREF="../base/Data-Char.html#t%3AString" >String</A > <A HREF="../ghc-prim/GHC-Types.html#t%3AInt" >Int</A > [[<A HREF="../base/Data-Char.html#t%3AString" >String</A >]]</TD ><TD CLASS="rdoc" ></TD ></TR ><TR ><TD CLASS="arg" ><A NAME="v:TestExausted" ><A NAME="v%3ATestExausted" ></A ></A ><B >TestExausted</B > <A HREF="../base/Data-Char.html#t%3AString" >String</A > <A HREF="../ghc-prim/GHC-Types.html#t%3AInt" >Int</A > [[<A HREF="../base/Data-Char.html#t%3AString" >String</A >]]</TD ><TD CLASS="rdoc" ></TD ></TR ><TR ><TD CLASS="arg" ><A NAME="v:TestFailed" ><A NAME="v%3ATestFailed" ></A ></A ><B >TestFailed</B > [<A HREF="../base/Data-Char.html#t%3AString" >String</A >] <A HREF="../ghc-prim/GHC-Types.html#t%3AInt" >Int</A ></TD ><TD CLASS="rdoc" ></TD ></TR ><TR ><TD CLASS="arg" ><A NAME="v:TestAborted" ><A NAME="v%3ATestAborted" ></A ></A ><B >TestAborted</B > <A HREF="../base/Control-OldException.html#t%3AException" >Exception</A ></TD ><TD CLASS="rdoc" ></TD ></TR ></TABLE ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="decl" ><A NAME="v:isBottom" ><A NAME="v%3AisBottom" ></A ></A ><B >isBottom</B > :: a -> <A HREF="../ghc-prim/GHC-Bool.html#t%3ABool" >Bool</A ></TD ></TR ><TR ><TD CLASS="doc" ><P >Look out behind you! These can be misused badly. However, in the context of a batch tester, can also be very useful. </P ><P >Examples of use of bottom and isBottom: </P ><PRE > {- test for abort -} prop_head2 = isBottom (head []) {- test for strictness -} prop_head3 = isBottom (head bottom) </PRE ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="decl" ><A NAME="v:bottom" ><A NAME="v%3Abottom" ></A ></A ><B >bottom</B > :: a</TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="botbar" >Produced by <A HREF="http://www.haskell.org/haddock/" >Haddock</A > version 2.4.2</TD ></TR ></TABLE ></BODY ></HTML >