feat: int/float/decimal精度优化

src/test/java/com/codechecker/cache/schema/SkeletonJsonRendererTest.java

@@ -80,4 +80,31 @@ class SkeletonJsonRendererTest {
                 "截断后仍应保留改动相关字段: " + truncated);
         assertEquals(true, truncated.length() >= 10);
     }
+
+    @Test
+    void numberPlaceholdersDistinguishIntegerFloatAndBigDecimal() {
+        TypeSchema schema = new TypeSchema("MoneyVo");
+        schema.add(new FieldSchema("count", JsonType.NUMBER, "Integer"));
+        schema.add(new FieldSchema("rate", JsonType.NUMBER, "Double"));
+        schema.add(new FieldSchema("amount", JsonType.NUMBER, "BigDecimal"));
+        schema.add(new FieldSchema("score", JsonType.NUMBER, "Float"));
+
+        String json = new SkeletonJsonRenderer().render(schema);
+        assertTrue(json.contains("\"count\":0"), json);
+        assertTrue(json.contains("\"rate\":0.0"), json);
+        assertTrue(json.contains("\"amount\":0.00"), json);
+        assertTrue(json.contains("\"score\":0.0"), json);
+    }
+
+    @Test
+    void integerToBigDecimalSkeletonsLookDifferent() {
+        TypeSchema oldS = new TypeSchema("A");
+        oldS.add(new FieldSchema("amount", JsonType.NUMBER, "Integer"));
+        TypeSchema newS = new TypeSchema("A");
+        newS.add(new FieldSchema("amount", JsonType.NUMBER, "BigDecimal"));
+
+        SkeletonJsonRenderer renderer = new SkeletonJsonRenderer();
+        assertEquals("{\"amount\":0}", renderer.render(oldS));
+        assertEquals("{\"amount\":0.00}", renderer.render(newS));
+    }
 }