1 files changed, 66 insertions, 0 deletions
diff --git a/javaparser-testing/src/test/java/com/github/javaparser/ast/ParseResultTest.java b/javaparser-testing/src/test/java/com/github/javaparser/ast/ParseResultTest.java
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index 000000000..45d7725bc
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+++ b/javaparser-testing/src/test/java/com/github/javaparser/ast/ParseResultTest.java
@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2007-2010 Júlio Vilmar Gesser.
+ * Copyright (C) 2011, 2013-2016 The JavaParser Team.
+ *
+ * This file is part of JavaParser.
+ *
+ * JavaParser can be used either under the terms of
+ * a) the GNU Lesser General Public License as published by
+ *     the Free Software Foundation, either version 3 of the License, or
+ *     (at your option) any later version.
+ * b) the terms of the Apache License
+ *
+ * You should have received a copy of both licenses in LICENCE.LGPL and
+ * LICENCE.APACHE. Please refer to those files for details.
+ *
+ * JavaParser is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ */
+
+package com.github.javaparser.ast;
+
+import com.github.javaparser.JavaParser;
+import com.github.javaparser.ParseResult;
+import com.github.javaparser.ParserConfiguration;
+import com.github.javaparser.Problem;
+import org.junit.Test;
+
+import static com.github.javaparser.ParseStart.COMPILATION_UNIT;
+import static com.github.javaparser.Providers.provider;
+import static com.github.javaparser.ast.Node.Parsedness.PARSED;
+import static com.github.javaparser.ast.Node.Parsedness.UNPARSABLE;
+import static com.github.javaparser.utils.Utils.EOL;
+import static org.assertj.core.api.Assertions.assertThat;
+
+public class ParseResultTest {
+    private final JavaParser javaParser = new JavaParser(new ParserConfiguration());
+
+    @Test
+    public void whenParsingSucceedsThenWeGetResultsAndNoProblems() {
+        ParseResult<CompilationUnit> result = javaParser.parse(COMPILATION_UNIT, provider("class X{}"));
+
+        assertThat(result.getResult().isPresent()).isTrue();
+        assertThat(result.getResult().get().getParsed()).isEqualTo(PARSED);
+        assertThat(result.getProblems()).isEmpty();
+        assertThat(result.getTokens().isPresent()).isTrue();
+
+        assertThat(result.toString()).isEqualTo("Parsing successful");
+    }
+
+    @Test
+    public void whenParsingFailsThenWeGetProblemsAndABadResult() {
+        ParseResult<CompilationUnit> result = javaParser.parse(COMPILATION_UNIT, provider("class {"));
+
+        assertThat(result.getResult().isPresent()).isTrue();
+        assertThat(result.getResult().get().getParsed()).isEqualTo(UNPARSABLE);
+        assertThat(result.getProblems().size()).isEqualTo(1);
+
+        Problem problem = result.getProblem(0);
+        assertThat(problem.getMessage()).isEqualTo("Parse error. Found \"{\", expected one of  \"enum\" \"exports\" \"module\" \"open\" \"opens\" \"provides\" \"requires\" \"strictfp\" \"to\" \"transitive\" \"uses\" \"with\" <IDENTIFIER>");
+        assertThat(result.getTokens().isPresent()).isTrue();
+
+        assertThat(result.toString()).startsWith("Parsing failed:" + EOL + "(line 1,col 1) Parse error.");
+    }
+}