src/tests/antunit/taskdefs/tar-test.xml

<?xml version="1.0"?>
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  this work for additional information regarding copyright ownership.
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  (the "License"); you may not use this file except in compliance with
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<project name="tar-test" default="antunit"
         xmlns:cond="antlib:org.apache.tools.ant.types.conditions"
         xmlns:au="antlib:org.apache.ant.antunit">
  <import file="../antunit-base.xml" />

  <target name="setUp">
    <mkdir dir="${input}" />
    <mkdir dir="${output}" />
  </target>

  <target name="testTarFilesetHandlesFilesetReferences" depends="setUp">
    <fileset id="xml.fileset" dir="." includes="*.xml" />
    <tar  destfile="${output}/testtar.tar">
      <tarfileset  prefix="pre" refid="xml.fileset" />
    </tar>
  </target>

  <target name="testRemoveLeadingSlashes" depends="setUp">
    <tar destfile="${output}/testtar.tar">
      <tarfileset file="${ant.file}" fullpath="/foo.xml"/>
    </tar>
    <au:assertTrue>
      <cond:resourceexists>
        <tarentry name="foo.xml">
          <file file="${output}/testtar.tar"/>
        </tarentry>
      </cond:resourceexists>
    </au:assertTrue>
    <au:assertFalse>
      <cond:resourceexists>
        <tarentry name="/foo.xml">
          <file file="${output}/testtar.tar"/>
        </tarentry>
      </cond:resourceexists>
    </au:assertFalse>
  </target>

  <target name="testPreserveLeadingSlashes" depends="setUp">
    <tar destfile="${output}/testtar.tar">
      <tarfileset file="${ant.file}" fullpath="/foo.xml"
                  preserveleadingslashes="true"/>
    </tar>
    <au:assertTrue>
      <cond:resourceexists>
        <tarentry name="/foo.xml">
          <file file="${output}/testtar.tar"/>
        </tarentry>
      </cond:resourceexists>
    </au:assertTrue>
    <au:assertFalse>
      <cond:resourceexists>
        <tarentry name="foo.xml">
          <file file="${output}/testtar.tar"/>
        </tarentry>
      </cond:resourceexists>
    </au:assertFalse>
  </target>

  <target name="testSingleFile" depends="setUp"
          description="https://issues.apache.org/bugzilla/show_bug.cgi?id=48035">
    <touch file="${input}/foo.txt"/>
    <tar destfile="${output}/foo.tar">
      <file file="${input}/foo.txt"/>
    </tar>
    <au:assertFileExists file="${output}/foo.tar"/>
    <copy file="${output}/foo.tar" tofile="${output}/bar.tar"
          preservelastmodified="true"/>
    <sleep seconds="2"/>
    <touch file="${input}/foo.txt"/>
    <tar destfile="${output}/foo.tar">
      <file file="${input}/foo.txt"/>
    </tar>
    <au:assertDestIsOutofdate src="${output}/foo.tar" dest="${output}/bar.tar"/>
  </target>
</project>