1 files changed, 75 insertions, 0 deletions
diff --git a/javaparser-testing/src/test/java/com/github/javaparser/printer/JsonPrinterTest.java b/javaparser-testing/src/test/java/com/github/javaparser/printer/JsonPrinterTest.java
new file mode 100644
index 000000000..7e26254a4
--- /dev/null
+++ b/javaparser-testing/src/test/java/com/github/javaparser/printer/JsonPrinterTest.java
@@ -0,0 +1,75 @@
+package com.github.javaparser.printer;
+
+import com.github.javaparser.JavaParser;
+import com.github.javaparser.ast.CompilationUnit;
+import com.github.javaparser.ast.expr.Expression;
+import org.junit.Test;
+
+import static com.github.javaparser.JavaParser.*;
+import static com.github.javaparser.utils.Utils.EOL;
+import static org.junit.Assert.*;
+
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.OutputStreamWriter;
+import java.io.Writer;
+import java.io.BufferedWriter;
+
+public class JsonPrinterTest {
+    @Test
+    public void testWithType() {
+        JsonPrinter jsonPrinter = new JsonPrinter(true);
+        Expression expression = parseExpression("x(1,1)");
+
+        String output = jsonPrinter.output(expression);
+
+        assertEquals("{\"type\":\"MethodCallExpr\",\"name\":{\"type\":\"SimpleName\",\"identifier\":\"x\"},\"arguments\":[{\"type\":\"IntegerLiteralExpr\",\"value\":\"1\"},{\"type\":\"IntegerLiteralExpr\",\"value\":\"1\"}]}", output);
+    }
+
+    @Test
+    public void testWithoutType() {
+        JsonPrinter jsonPrinter = new JsonPrinter(false);
+        Expression expression = parseExpression("1+1");
+
+        String output = jsonPrinter.output(expression);
+
+        assertEquals("{\"operator\":\"PLUS\",\"left\":{\"value\":\"1\"},\"right\":{\"value\":\"1\"}}", output);
+    }
+
+    @Test
+    public void testEscaping() {
+        JsonPrinter jsonPrinter = new JsonPrinter(false);
+        CompilationUnit expression = parse("class X {//hi\"" + EOL + "int x;}");
+
+        String output = jsonPrinter.output(expression);
+
+        assertEquals("{\"types\":[{\"isInterface\":\"false\",\"name\":{\"identifier\":\"X\",\"comment\":{\"content\":\"hi\\\"\"}},\"members\":[{\"variables\":[{\"name\":{\"identifier\":\"x\"},\"type\":{\"type\":\"INT\"}}]}]}]}", output);
+    }
+
+    @Test
+    public void issue1338() {
+        String code = "class Test {" +
+                "  public void method() {" +
+                "    String.format(\"I'm using %s\", \"JavaParser\");" +
+                "  }" +
+                "}";
+        CompilationUnit unit = parse(code);
+        JsonPrinter printer = new JsonPrinter(true);
+        printer.output(unit);
+    }
+
+    @Test
+    public void issue1421() {
+        // Handle multi-line strings in JSON output
+        String code = "/* \n" +
+                "* Some comment\n" +
+                "*/\n" +
+                "public class Test {}";
+        CompilationUnit unit = parse(code);
+        JsonPrinter printer = new JsonPrinter(true);
+
+        String output = printer.output(unit);
+
+        assertEquals("{\"type\":\"CompilationUnit\",\"types\":[{\"type\":\"ClassOrInterfaceDeclaration\",\"isInterface\":\"false\",\"name\":{\"type\":\"SimpleName\",\"identifier\":\"Test\"},\"comment\":{\"type\":\"BlockComment\",\"content\":\" \\n* Some comment\\n\"}}]}", output);
+    }
+}
+\ No newline at end of file