Exemplo n.º 1
0
  /**
   * Test for one of the bugs causing issue 8284. JsObfuscateNamer was reassigning the same names
   * across different fragments.
   */
  public void testDuplicateNamesWithCodeSplitterError() throws Exception {
    JsProgram program = new JsProgram();
    // Reference to a in .b is to the top level scope a function where the one in _.c is to the
    // local a definition.
    //
    // After deduping _.b and _.c the identifier a in the deduped function points to the top level
    // scope a function and runing a namer afterwards makes the deduping invalid.
    String fragment0js = "_.a=function (){return _.a;}; _.b=function (){return _.a}; _.a();_.b();";
    String fragment1js = "_.c=function (){return _.c;}; _.d=function (){return _.c}; _.c();_.d();";

    List<JsStatement> fragment0 =
        JsParser.parse(SourceOrigin.UNKNOWN, program.getScope(), new StringReader(fragment0js));
    List<JsStatement> fragment1 =
        JsParser.parse(SourceOrigin.UNKNOWN, program.getScope(), new StringReader(fragment1js));
    program.setFragmentCount(2);
    program.getFragmentBlock(0).getStatements().addAll(fragment0);
    program.getFragmentBlock(1).getStatements().addAll(fragment1);

    // Mark all functions as if they were translated from Java sources.
    setAllFromJava(program);

    optimize(program, JsSymbolResolver.class, JsDuplicateFunctionRemoverProxy.class);

    // There should be two distinct dedupped functions here.
    MockNameGenerator tempFreshNameGenerator = new MockNameGenerator();
    String firstName = tempFreshNameGenerator.getFreshName();
    String secondName = tempFreshNameGenerator.getFreshName();

    assertNotNull(program.getScope().findExistingName(secondName));
  }