Create LongOperationTest.java

Author: Domaman202

src/test/java/com/github/kayjamlang/tests/expressions/operation/LongOperationTest.java

@@ -0,0 +1,31 @@
+package com.github.kayjamlang.tests.expressions.operation;
+
+import com.github.kayjamlang.core.expressions.Expression;
+import com.github.kayjamlang.core.expressions.OperationExpression;
+import com.github.kayjamlang.core.expressions.ValueExpression;
+import com.github.kayjamlang.core.expressions.data.Operation;
+import com.github.kayjamlang.tests.TestsUtils;
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+import static org.junit.Assert.assertSame;
+
+public class LongOperationTest {
+
+    @Test
+    public void test() throws Exception {
+        Expression expression = TestsUtils.parse("2 + 4 * 8");
+
+        assertNotNull(expression);
+        assertSame(OperationExpression.class, expression.getClass());
+
+        OperationExpression operationExpression = (OperationExpression) expression;
+        assertEquals(Operation.PLUS, operationExpression.operation);
+        assertSame(ValueExpression.class, operationExpression.left.getClass());
+        assertSame(OperationExpression.class, operationExpression.right.getClass());
+
+        OperationExpression rightOperationExpression = (OperationExpression) operationExpression.right;
+        assertEquals(Operation.MULTIPLY, rightOperationExpression.operation);
+        assertSame(ValueExpression.class, rightOperationExpression.right.getClass());
+    }
+}