final MockSourceViewer sourceViewer = new MockSourceViewer(document, offset);
final IContentAssistProcessor p = inStrings ? new ErlStringContentAssistProcessor(
sourceViewer, module, project, null) : new ErlContentAssistProcessor(
sourceViewer, module, project, null);
final ICompletionProposal[] completionProposals = p.computeCompletionProposals(
sourceViewer, offset);
MatcherAssert.assertThat(ListExtensions.map(
Lists.newArrayList(completionProposals),
new Functions.Function1<ICompletionProposal, String>() {