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package com.github.javaparser.modules;
import com.github.javaparser.JavaParser;
import com.github.javaparser.JavaToken;
import com.github.javaparser.ParseStart;
import com.github.javaparser.ParserConfiguration;
import com.github.javaparser.ast.CompilationUnit;
import com.github.javaparser.ast.expr.IntegerLiteralExpr;
import com.github.javaparser.ast.expr.MarkerAnnotationExpr;
import com.github.javaparser.ast.expr.Name;
import com.github.javaparser.ast.expr.SingleMemberAnnotationExpr;
import com.github.javaparser.ast.modules.*;
import com.github.javaparser.ast.type.ClassOrInterfaceType;
import com.github.javaparser.ast.validator.Java9Validator;
import com.github.javaparser.printer.ConcreteSyntaxModel;
import org.junit.Test;
import static com.github.javaparser.GeneratedJavaParserConstants.IDENTIFIER;
import static com.github.javaparser.JavaParser.parseClassOrInterfaceType;
import static com.github.javaparser.JavaParser.parseName;
import static com.github.javaparser.Providers.provider;
import static com.github.javaparser.utils.Utils.EOL;
import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.Assert.assertEquals;
public class ModuleDeclarationTest {
public static final JavaParser javaParser = new JavaParser(new ParserConfiguration().setValidator(new Java9Validator()));
private final CompilationUnit parse(String code) {
return javaParser.parse(ParseStart.COMPILATION_UNIT, provider(code)).getResult().get();
}
@Test
public void moduleInfoKeywordsAreSeenAsIdentifiers() {
CompilationUnit cu = parse("class module { }");
JavaToken moduleToken = cu.getClassByName("module").get().getName().getTokenRange().get().getBegin();
assertEquals(IDENTIFIER, moduleToken.getKind());
}
@Test
public void issue988RequireTransitiveShouldRequireAModuleCalledTransitive() {
CompilationUnit cu = parse("module X { requires transitive; }");
ModuleRequiresStmt requiresTransitive = (ModuleRequiresStmt) cu.getModule().get().getModuleStmts().get(0);
assertEquals("transitive", requiresTransitive.getNameAsString());
assertEquals(IDENTIFIER, requiresTransitive.getName().getTokenRange().get().getBegin().getKind());
}
@Test
public void jlsExample1() {
CompilationUnit cu = parse(
"@Foo(1) @Foo(2) @Bar " +
"module M.N {" +
" requires A.B;" +
" requires transitive C.D;" +
" requires static E.F;" +
" requires transitive static G.H;" +
"" +
" exports P.Q;" +
" exports R.S to T1.U1, T2.U2;" +
"" +
" opens P.Q;" +
" opens R.S to T1.U1, T2.U2;" +
"" +
" uses V.W;" +
" provides X.Y with Z1.Z2, Z3.Z4;" +
"}");
ModuleDeclaration module = cu.getModule().get();
assertEquals("M.N", module.getNameAsString());
assertEquals(false, module.isOpen());
assertThat(module.getAnnotations()).containsExactly(
new SingleMemberAnnotationExpr(new Name("Foo"), new IntegerLiteralExpr("1")),
new SingleMemberAnnotationExpr(new Name("Foo"), new IntegerLiteralExpr("2")),
new MarkerAnnotationExpr(new Name("Bar")));
ModuleRequiresStmt moduleRequiresStmt = (ModuleRequiresStmt) module.getModuleStmts().get(0);
assertThat(moduleRequiresStmt.getNameAsString()).isEqualTo("A.B");
assertThat(moduleRequiresStmt.getModifiers()).isEmpty();
ModuleExportsStmt moduleExportsStmt = (ModuleExportsStmt) module.getModuleStmts().get(5);
assertThat(moduleExportsStmt.getNameAsString()).isEqualTo("R.S");
assertThat(moduleExportsStmt.getModuleNames()).containsExactly(parseName("T1.U1"), parseName("T2.U2"));
ModuleOpensStmt moduleOpensStmt = (ModuleOpensStmt) module.getModuleStmts().get(7);
assertThat(moduleOpensStmt.getNameAsString()).isEqualTo("R.S");
assertThat(moduleOpensStmt.getModuleNames()).containsExactly(parseName("T1.U1"), parseName("T2.U2"));
ModuleUsesStmt moduleUsesStmt = (ModuleUsesStmt) module.getModuleStmts().get(8);
assertThat(moduleUsesStmt.getType().toString()).isEqualTo("V.W");
ModuleProvidesStmt moduleProvidesStmt = (ModuleProvidesStmt) module.getModuleStmts().get(9);
assertThat(moduleProvidesStmt.getType().toString()).isEqualTo("X.Y");
assertThat(moduleProvidesStmt.getWithTypes()).containsExactly(
new ClassOrInterfaceType(parseClassOrInterfaceType("Z1"), "Z2"),
new ClassOrInterfaceType(parseClassOrInterfaceType("Z3"), "Z4"));
}
@Test
public void jlsExample2HasAnOpenModule() {
CompilationUnit cu = parse("open module M.N {}");
ModuleDeclaration module = cu.getModule().get();
assertEquals("M.N", module.getNameAsString());
assertEquals(true, module.isOpen());
}
@Test
public void testPrettyPrinting() {
CompilationUnit cu = parse(
"@Foo(1) @Foo(2) @Bar " +
"module M.N {" +
" requires A.B;" +
" requires transitive C.D;" +
" requires static E.F;" +
" requires transitive static G.H;" +
"" +
" exports P.Q;" +
" exports R.S to T1.U1, T2.U2;" +
"" +
" opens P.Q;" +
" opens R.S to T1.U1, T2.U2;" +
"" +
" uses V.W;" +
" provides X.Y with Z1.Z2, Z3.Z4;" +
"}");
assertEquals(
"@Foo(1) @Foo(2) @Bar " + EOL +
"module M.N {" + EOL +
" requires A.B;" + EOL +
" requires transitive C.D;" + EOL +
" requires static E.F;" + EOL +
" requires static transitive G.H;" + EOL +
" exports P.Q;" + EOL +
" exports R.S to T1.U1, T2.U2;" + EOL +
" opens P.Q;" + EOL +
" opens R.S to T1.U1, T2.U2;" + EOL +
" uses V.W;" + EOL +
" provides X.Y with Z1.Z2, Z3.Z4;" + EOL +
"}" + EOL, cu.toString());
}
@Test
public void testCsmPrinting() {
CompilationUnit cu = parse(
"@Foo(1) @Foo(2) @Bar " +
"open module M.N {" +
" requires A.B;" +
" requires transitive C.D;" +
" requires static E.F;" +
" requires transitive static G.H;" +
"" +
" exports P.Q;" +
" exports R.S to T1.U1, T2.U2;" +
"" +
" opens P.Q;" +
" opens R.S to T1.U1, T2.U2;" +
"" +
" uses V.W;" +
" provides X.Y with Z1.Z2, Z3.Z4;" +
"}");
assertEquals(
"@Foo(1) @Foo(2) @Bar" + EOL +
"open module M.N {" + EOL +
" requires A.B;" + EOL +
" requires transitive C.D;" + EOL +
" requires static E.F;" + EOL +
" requires static transitive G.H;" + EOL +
" exports P.Q;" + EOL +
" exports R.S to T1.U1, T2.U2;" + EOL +
" opens P.Q;" + EOL +
" opens R.S to T1.U1, T2.U2;" + EOL +
" uses V.W;" + EOL +
" provides X.Y with Z1.Z2, Z3.Z4;" + EOL +
"}" + EOL, ConcreteSyntaxModel.genericPrettyPrint(cu));
}
}
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