1 files changed, 107 insertions, 0 deletions
diff --git a/javaparser-testing/src/test/java/com/github/javaparser/ast/validator/Java7ValidatorTest.java b/javaparser-testing/src/test/java/com/github/javaparser/ast/validator/Java7ValidatorTest.java
new file mode 100644
index 000000000..a2a03f837
--- /dev/null
+++ b/javaparser-testing/src/test/java/com/github/javaparser/ast/validator/Java7ValidatorTest.java
@@ -0,0 +1,107 @@
+package com.github.javaparser.ast.validator;
+
+import com.github.javaparser.JavaParser;
+import com.github.javaparser.ParseResult;
+import com.github.javaparser.ParserConfiguration;
+import com.github.javaparser.Problem;
+import com.github.javaparser.ast.CompilationUnit;
+import com.github.javaparser.ast.expr.Expression;
+import com.github.javaparser.ast.stmt.Statement;
+import com.github.javaparser.ast.type.ClassOrInterfaceType;
+import com.github.javaparser.ast.type.UnionType;
+import org.junit.Test;
+
+import java.util.*;
+
+import static com.github.javaparser.ParseStart.COMPILATION_UNIT;
+import static com.github.javaparser.ParseStart.EXPRESSION;
+import static com.github.javaparser.ParseStart.STATEMENT;
+import static com.github.javaparser.ParserConfiguration.LanguageLevel.*;
+import static com.github.javaparser.Providers.provider;
+import static com.github.javaparser.utils.TestUtils.assertNoProblems;
+import static com.github.javaparser.utils.TestUtils.assertProblems;
+
+public class Java7ValidatorTest {
+    public static final JavaParser javaParser = new JavaParser(new ParserConfiguration().setLanguageLevel(JAVA_7));
+
+    @Test
+    public void generics() {
+        ParseResult<CompilationUnit> result = javaParser.parse(COMPILATION_UNIT, provider("class X<A>{List<String> b = new ArrayList<>();}"));
+        assertNoProblems(result);
+    }
+
+    @Test
+    public void defaultMethodWithoutBody() {
+        ParseResult<CompilationUnit> result = javaParser.parse(COMPILATION_UNIT, provider("interface X {default void a();}"));
+        assertProblems(result, "(line 1,col 14) 'default' is not allowed here.");
+    }
+
+    @Test
+    public void tryWithoutAnything() {
+        ParseResult<Statement> result = javaParser.parse(STATEMENT, provider("try{}"));
+        assertProblems(result, "(line 1,col 1) Try has no finally, no catch, and no resources.");
+    }
+
+    @Test
+    public void tryWithResourceVariableDeclaration() {
+        ParseResult<Statement> result = javaParser.parse(STATEMENT, provider("try(Reader r = new Reader()){}"));
+        assertNoProblems(result);
+    }
+
+    @Test
+    public void tryWithResourceReference() {
+        ParseResult<Statement> result = javaParser.parse(STATEMENT, provider("try(a.b.c){}"));
+        assertProblems(result, "(line 1,col 1) Try with resources only supports variable declarations.");
+    }
+
+    @Test
+    public void stringsInSwitch() {
+        ParseResult<Statement> result = javaParser.parse(STATEMENT, provider("switch(x){case \"abc\": ;}"));
+        assertNoProblems(result);
+    }
+
+    @Test
+    public void binaryIntegerLiterals() {
+        ParseResult<Expression> result = javaParser.parse(EXPRESSION, provider("0b01"));
+        assertNoProblems(result);
+    }
+
+    @Test
+    public void underscoresInIntegerLiterals() {
+        ParseResult<Expression> result = javaParser.parse(EXPRESSION, provider("1_000_000"));
+        assertNoProblems(result);
+    }
+
+    @Test
+    public void multiCatch() {
+        ParseResult<Statement> result = javaParser.parse(STATEMENT, provider("try{}catch(Abc|Def e){}"));
+        assertNoProblems(result);
+    }
+
+    @Test
+    public void multiCatchWithoutElements() {
+        UnionType unionType = new UnionType();
+
+        List<Problem> problems = new ArrayList<>();
+        new Java7Validator().accept(unionType, new ProblemReporter(problems::add));
+        
+        assertProblems(problems, "UnionType.elements can not be empty.");
+    }
+
+    @Test
+    public void multiCatchWithOneElement() {
+        UnionType unionType = new UnionType();
+        unionType.getElements().add(new ClassOrInterfaceType());
+
+        List<Problem> problems = new ArrayList<>();
+        new Java7Validator().accept(unionType, new ProblemReporter(problems::add));
+        
+        assertProblems(problems, "Union type (multi catch) must have at least two elements.");
+    }
+
+    @Test
+    public void noLambdas() {
+        ParseResult<Statement> result = javaParser.parse(STATEMENT, provider("a(() -> 1);"));
+        assertProblems(result, "(line 1,col 3) Lambdas are not supported.");
+    }
+}