update test case about BasicDecimal128Vector ,BasicDecimal32Vector，BasicDecimal64Vector of append null

Author: weisun123

test/com/xxdb/data/BasicDecimal128VectorTest.java

@@ -300,7 +300,15 @@ public void test_BasicDecimal128Vector_append_vector() throws Exception {
         tmp_128_v.Append(tmp_128_v2);
         assertEquals("[0.0000,-123.0043,132.2042,100.0000]",tmp_128_v.getString());
     }
-
+    @Test
+    public void test_BasicDecimal128Vector_append_null() throws Exception {
+        BasicDecimal128 basicDecimal128 = new BasicDecimal128(String.valueOf(0),0);
+        basicDecimal128.setNull();
+        BasicDecimal128Vector basicDecimal128Vector = new BasicDecimal128Vector(0,0);
+        basicDecimal128Vector.Append(basicDecimal128);
+        System.out.println(((Scalar)(basicDecimal128Vector.get(0))).isNull());
+        org.junit.Assert.assertEquals(true,((Scalar)(basicDecimal128Vector.get(0))).isNull());
+    }
     @Test
     public void test_BasicDecimal128Vector_getScale() throws Exception {
         String[] tmp_string_v = {"0.0","-123.00432","132.204234","100.0"};

test/com/xxdb/data/BasicDecimal32Test.java

@@ -88,6 +88,13 @@ public void testBasicDecimal32_value_string_scale_4(){
         assertEquals("0.0000",Decimal32_1.getString());
     }
     @Test
+    public void testBasicDecimal32_value_string_scale_8(){
+        BasicDecimal32 Decimal32 = new BasicDecimal32("0.999999999",8);
+        assertEquals("0.99999999",Decimal32.getString());
+        BasicDecimal32 Decimal32_1 = new BasicDecimal32("-0.999999999",8);
+        assertEquals("-0.99999999",Decimal32_1.getString());
+    }
+    @Test
     public void testBasicDecimal32_value_string_scale_9(){
         BasicDecimal32 Decimal32 = new BasicDecimal32("0.000000001",9);
         assertEquals("0.000000001",Decimal32.getString());

test/com/xxdb/data/BasicDecimal32VectorTest.java

@@ -288,6 +288,15 @@ public void test_BasicDecimal32Vector_append() throws Exception {
         BasicDecimal32 a = new BasicDecimal32(1.11223,4);
         tmp_32_v.Append(a);
     }
+    @Test
+    public void test_BasicDecimal32Vector_append_null() throws Exception {
+        BasicDecimal32 basicDecimal32 = new BasicDecimal32(0,0);
+        basicDecimal32.setNull();
+        BasicDecimal32Vector basicDecimal32Vector = new BasicDecimal32Vector(0,0);
+        basicDecimal32Vector.Append(basicDecimal32);
+        System.out.println(((Scalar)(basicDecimal32Vector.get(0))).isNull());
+        org.junit.Assert.assertEquals(true,((Scalar)(basicDecimal32Vector.get(0))).isNull());
+    }
 
     @Test
     public void test_BasicDecimal32Vector_Append_vector_scale_notMatch() throws Exception {

test/com/xxdb/data/BasicDecimal64Test.java

@@ -128,7 +128,7 @@ public void testBasicDecimal64_value_string_scale_19(){
         }catch(Exception E){
             ex=E.getMessage();
         }
-        assertEquals("Scale out of bound (valid range: [0, 18], but get: 19)",ex);
+        assertEquals("Scale 19 is out of bounds, it must be in [0,18].",ex);
     }
 
     @Test

test/com/xxdb/data/BasicDecimal64VectorTest.java

@@ -280,7 +280,15 @@ public void test_BasicDecimal64Vector_append() throws Exception {
         BasicDecimal64 a = new BasicDecimal64(1.11223,4);
         tmp_64_v.Append(a);
     }
-
+    @Test
+    public void test_BasicDecimal64Vector_append_null() throws Exception {
+        BasicDecimal64 basicDecimal64 = new BasicDecimal64(0L,0);
+        basicDecimal64.setNull();
+        BasicDecimal64Vector basicDecimal64Vector = new BasicDecimal64Vector(0,0);
+        basicDecimal64Vector.Append(basicDecimal64);
+        System.out.println(((Scalar)(basicDecimal64Vector.get(0))).isNull());
+        org.junit.Assert.assertEquals(true,((Scalar)(basicDecimal64Vector.get(0))).isNull());
+    }
     @Test
     public void test_BasicDecimal64Vector_append_vector_scale_notMatch() throws Exception {
         BasicDecimal64Vector tmp_64_v = new BasicDecimal64Vector(0,4);