初始化

app/src/test/java/com/arpa/hndahesudintocctmsdriver/ExampleUnitTest.kt

@@ -0,0 +1,14 @@
+package com.arpa.hndahesudintocctmsdriver
+
+import org.junit.Test
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+class ExampleUnitTest {
+    @Test
+    fun addition_isCorrect() {
+    }
+}

app/src/test/java/com/arpa/hndahesudintocctmsdriver/test1.java

@@ -0,0 +1,23 @@
+package com.arpa.hndahesudintocctmsdriver;
+
+import android.util.Log;
+
+import org.junit.Test;
+
+import java.math.BigDecimal;
+
+/**
+ * @author hlh
+ * @version 1.0.0
+ * @date 2021/10/12 16:53
+ * @description:
+ */
+public class test1 {
+
+    @Test
+    public void te(){
+        String s = new BigDecimal("100.000").subtract(new BigDecimal("5")).toString();
+        Log.i("",s);
+
+    }
+}