added unit tests for checking Table extreme values

Author: ericahin

core/test/processing/data/TableTest.java

@@ -36,4 +36,73 @@ public void parseInto() {
         Assert.assertEquals(people[0].name, "Person1");
         Assert.assertEquals(people[0].age, 30);
     }
+
+    public void testGetMaxFloat() {
+        Table table = new Table();
+        table.addColumn("col1", Table.FLOAT);
+        table.addColumn("col2", Table.FLOAT);
+        table.addColumn("col3", Table.FLOAT);
+
+        //Normal case with positive values
+        TableRow row1 = table.addRow();
+        row1.setFloat("col1", 5.5f);
+        row1.setFloat("col2", 10.2f);
+        row1.setFloat("col3", 3.7f);
+
+        TableRow row2 = table.addRow();
+        row2.setFloat("col1", 15.8f);
+        row2.setFloat("col2", 2.1f);
+        row2.setFloat("col3", 8.9f);
+
+        assertEquals(15.8f, table.getMaxFloat(), 0.001f);
+
+        //Table with negative values
+        Table table2 = new Table();
+        table2.addColumn("col1", Table.FLOAT);
+        TableRow row3 = table2.addRow();
+        row3.setFloat("col1", -5.5f);
+        TableRow row4 = table2.addRow();
+        row4.setFloat("col1", -2.3f);
+
+        assertEquals(-2.3f, table2.getMaxFloat(), 0.001f);
+
+        //Table with missing values (NaN)
+        Table table3 = new Table();
+        table3.addColumn("col1", Table.FLOAT);
+        table3.addColumn("col2", Table.FLOAT);
+
+        TableRow row5 = table3.addRow();
+        row5.setFloat("col1", Float.NaN);
+        row5.setFloat("col2", 7.5f);
+
+        TableRow row6 = table3.addRow();
+        row6.setFloat("col1", 12.3f);
+        row6.setFloat("col2", Float.NaN);
+
+        assertEquals(12.3f, table3.getMaxFloat(), 0.001f);
+
+        //Table with all missing values
+        Table table4 = new Table();
+        table4.addColumn("col1", Table.FLOAT);
+        TableRow row7 = table4.addRow();
+        row7.setFloat("col1", Float.NaN);
+        TableRow row8 = table4.addRow();
+        row8.setFloat("col1", Float.NaN);
+
+        assertTrue(Float.isNaN(table4.getMaxFloat()));
+
+        //Empty table
+        Table table5 = new Table();
+        table5.addColumn("col1", Table.FLOAT);
+
+        assertTrue(Float.isNaN(table5.getMaxFloat()));
+
+        //Single value
+        Table table6 = new Table();
+        table6.addColumn("col1", Table.FLOAT);
+        TableRow row9 = table6.addRow();
+        row9.setFloat("col1", 42.0f);
+
+        assertEquals(42.0f, table6.getMaxFloat(), 0.001f);
+    }
 }