[C#] Add failing test around throwing to indicate that group size representation is invalid.

Author: ZachBray

sbe-tool/src/test/java/uk/co/real_logic/sbe/generation/csharp/Issue567GroupSizeTest.java

@@ -0,0 +1,34 @@
+package uk.co.real_logic.sbe.generation.csharp;
+
+import static uk.co.real_logic.sbe.xml.XmlSchemaParser.parse;
+
+import org.agrona.generation.StringWriterOutputManager;
+import org.junit.Test;
+
+import uk.co.real_logic.sbe.TestUtil;
+import uk.co.real_logic.sbe.ir.Ir;
+import uk.co.real_logic.sbe.xml.IrGenerator;
+import uk.co.real_logic.sbe.xml.MessageSchema;
+import uk.co.real_logic.sbe.xml.ParserOptions;
+
+public class Issue567GroupSizeTest
+{
+
+ @Test(expected = Exception.class)
+ public void shouldThrowWhenUsingATypeThatIsNotConstrainedToFitInAnIntAsTheGroupSize() throws Exception
+ {
+ // Arrange
+ final ParserOptions options = ParserOptions.builder().stopOnError(true).build();
+ final MessageSchema schema = parse(TestUtil.getLocalResource("issue567-invalid.xml"), options);
+ final IrGenerator irg = new IrGenerator();
+ final Ir ir = irg.generate(schema);
+
+ final StringWriterOutputManager outputManager = new StringWriterOutputManager();
+ outputManager.setPackageName(ir.applicableNamespace());
+ final CSharpGenerator generator = new CSharpGenerator(ir, outputManager);
+
+ // Act + Assert
+ generator.generate();
+ }
+
+}

sbe-tool/src/test/resources/issue567-invalid.xml

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+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<sbe:messageSchema xmlns:sbe="http://fixprotocol.io/2016/sbe"
+ package="issue567"
+ id="567"
+ version="0"
+ semanticVersion="5.2"
+ description="issue 567 example where group size doesn't fit in an int32"
+ byteOrder="littleEndian">
+ <types>
+ <composite name="messageHeader" description="Message identifiers and length of message root">
+ <type name="blockLength" primitiveType="uint16"/>
+ <type name="templateId" primitiveType="uint16"/>
+ <type name="schemaId" primitiveType="uint16"/>
+ <type name="version" primitiveType="uint16"/>
+ </composite>
+ <composite name="groupSizeEncoding" description="Repeating group dimensions">
+ <type name="blockLength" primitiveType="uint16"/>
+ <type name="numInGroup" primitiveType="uint32"/>
+ </composite>
+ <composite name="varStringEncoding">
+ <type name="length" primitiveType="uint32" maxValue="1073741824"/>
+ <type name="varData" primitiveType="uint8" length="0" characterEncoding="UTF-8"/>
+ </composite>
+ <composite name="varDataEncoding">
+ <type name="length" primitiveType="uint32" maxValue="1073741824"/>
+ <type name="varData" primitiveType="uint8" length="0"/>
+ </composite>
+ </types>
+ <types>
+ <composite name="issue567Element" description="element for group exposing issue 567">
+ <type name="id" primitiveType="int32" />
+ </composite>
+ </types>
+ <sbe:message name="issue567" id="1" description="issue 560 test">
+ <field name="groupField" id="1" type="issue567Element" />
+ </sbe:message>
+</sbe:messageSchema>