void RunAndAssert(CompressTestData testData, ICompressOptions options)
{
var(outAst, outMinJs, outNiceJs) = CompressTestCore(testData, options);
Assert.Equal(testData.ExpectedAst, outAst);
Assert.Equal(testData.ExpectedNiceJs, outNiceJs);
Assert.Equal(testData.ExpectedMinJs, outMinJs);
}
public void ShouldRemoveEmptyStatements(CompressTestData testData)
{
RunAndAssert(testData, EmptyStatementEliminationCompressOptions);
}
public void ShouldRemoveUnnecessaryBlocks(CompressTestData testData)
{
Assert.Equal(1u, BlockEliminationCompressOptions.MaxPasses);
RunAndAssert(testData, BlockEliminationCompressOptions);
}
public void ShouldRemoveUnreachableCode(CompressTestData testData)
{
RunAndAssert(testData, UnreachableCodeBlocksCompressOptions);
}
public void ShouldRemoveUnreachableCodeUnnecessaryBlocksAndEmptyStatements(CompressTestData testData)
{
RunAndAssert(testData, UnreachableCodeBlocksAndEmptyStatementsCompressOptions);
}
public static (string outAst, string outMinJs, string outNiceJs) CompressTestCore(CompressTestData testData, ICompressOptions options)
{
string outAst;
var outNiceJs = string.Empty;
var outMinJs = string.Empty;
try
{
var parser = new Parser(new Options(), testData.InputContent);
var toplevel = parser.Parse();
toplevel.FigureOutScope();
toplevel = toplevel.Compress(options);
var strSink = new StringLineSink();
var dumper = new DumpAst(new AstDumpWriter(strSink));
dumper.Walk(toplevel);
outAst = strSink.ToString();
var outMinJsBuilder = new SourceMapBuilder();
toplevel.PrintToBuilder(outMinJsBuilder, new OutputOptions());
outMinJs = outMinJsBuilder.Content();
var outNiceJsBuilder = new SourceMapBuilder();
toplevel.PrintToBuilder(outNiceJsBuilder, new OutputOptions {
Beautify = true
});
outNiceJs = outNiceJsBuilder.Content();
}
catch (SyntaxError e)
{
outAst = e.Message;
}
return(outAst, outMinJs, outNiceJs);
}
public void ShouldRemoveSideEffectFreeCode(CompressTestData testData)
{
RunAndAssert(testData, RemoveSideEffectFreeCodeCompressOptions);
}
public void ShouldRemoveUnusedFunctions(CompressTestData testData)
{
RunAndAssert(testData, UnusedFunctionEliminationCompressOptions);
}
public void ShouldHoistVariableToBeginOfScopeWith2Passes(CompressTestData testData)
{
RunAndAssert(testData, VariableHosting2PassesCompressOptions);
}
public void ShouldCompressFunctionsReturnStatement(CompressTestData testData)
{
RunAndAssert(testData, FunctionReturnCompressCompressOptions);
}
public void ShouldCompressBooleanExpressions(CompressTestData testData)
{
RunAndAssert(testData, BooleanCompressCompressOptions);
}
