From e4c549fdb8a86b2790d64c662396800e5ec15e08 Mon Sep 17 00:00:00 2001 From: zhaofeng233 Date: Sun, 14 Mar 2021 00:10:23 +0800 Subject: [PATCH] =?UTF-8?q?=E5=8F=91=E7=8E=B0=E4=B8=A4=E5=A4=84=E6=96=B0?= =?UTF-8?q?=E9=94=99=E8=AF=AF?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- src/test/java/encoding/VlIntTest.java | 52 ++++++++++++++++++--------- 1 file changed, 36 insertions(+), 16 deletions(-) diff --git a/src/test/java/encoding/VlIntTest.java b/src/test/java/encoding/VlIntTest.java index 2f30a2e..b60f337 100644 --- a/src/test/java/encoding/VlIntTest.java +++ b/src/test/java/encoding/VlIntTest.java @@ -44,51 +44,71 @@ public class VlIntTest { public void getVlIntValue2Int() { //vlint(int)的size小于4时，测试是否能准确转为int输出 int a = 222; - int b = 22222222; + int a2 = 22222222; + byte[] b1 = new byte[]{0x00,0x7f, (byte) 0xff}; //32767 + byte[] b2 = new byte[]{0x00,(byte) 0x80, 0x00}; //32768 + byte[] b3 = new byte[]{0x00,(byte) 0xff, (byte) 0xff};//65535 VlInt vlInt_int1 = new VlInt(a); - VlInt vlInt_int2 = new VlInt(b); + VlInt vlInt_int2 = new VlInt(a2); + VlInt vlInt_b1 = new VlInt(b1); + VlInt vlInt_b2 = new VlInt(b2); + VlInt vlInt_b3 = new VlInt(b3); //测试size大小 assertTrue(vlInt_int1.size()<4); assertFalse(vlInt_int2.size()<4); //测试VlIntValue是否转为int assertEquals(vlInt_int1.getVlIntValue2Int(),a); + assertEquals(vlInt_b1.getVlIntValue2Int(),32767); + assertEquals(vlInt_b2.getVlIntValue2Int(),32768); + assertEquals(vlInt_b3.getVlIntValue2Int(),65535); } + //error：以bytes[]形式构造的VlInt，2^31-1 到 2^32-1之间的数会出错 @Test public void getVlIntValue2Long() { long l1 = new Long(0); long l2 = new Long(1); long l3 = new Long(4294967295L); //2^32-1 - long l4 = new Long(4294967296L); //2^32 + byte[] b1 = new byte[]{0x00,0x7f,(byte) 0xff,(byte) 0xff,(byte) 0xff};//2^31-1 + byte[] b2= new byte[]{0x00,(byte) 0x80,0x00,0x00,0x00};//2^31 VlInt vlInt_long1 = new VlInt(l1); // size = 1 VlInt vlInt_long2 = new VlInt(l2); // size = 1 VlInt vlInt_long3 = new VlInt(l3); // size = 5 - VlInt vlInt_long4 = new VlInt(l4); // size = 9 - - assertTrue(vlInt_long3.size()<8); - assertFalse(vlInt_long4.size()<8); + VlInt vlInt_long4 = new VlInt(b1); + VlInt vlInt_long5 = new VlInt(b2); + //以VlInt(long)形式构造的VlInt assertEquals(vlInt_long1.getVlIntValue2Long(),l1); assertEquals(vlInt_long2.getVlIntValue2Long(),l2); assertEquals(vlInt_long3.getVlIntValue2Long(),l3); + ///以VlInt(bytes[])形式构造的VlInt + assertEquals(vlInt_long4.getVlIntValue2Long(),2147483647L);//2^31-1 + assertEquals(vlInt_long5.getVlIntValue2Long(),2147483648L);//2^31 } + //error：以bytes[]形式构造的VlInt，在大于2^31-1的数会出错 @Test public void getVlIntValue() { - long l1 = new Long(4294967295L); //2^32-1 - long l2 = new Long(4294967296L); //2^32 + BigInteger b_0 = BigInteger.valueOf(2147483647L);//2^31-1 + BigInteger b_1 = BigInteger.valueOf(2147483648L);//2^31 BigInteger b = BigInteger.valueOf(4294967296L);//2^32 + //2^31-1 + byte[] b0 = new byte[]{0x00,0x00,0x00,0x00,0x00,0x7f,(byte) 0xff,(byte) 0xff,(byte) 0xff};//2147483647 + byte[] b1 = new byte[]{0x00,0x00,0x00,0x00,0x00,(byte) 0x80,0x00,0x00,0x00}; + //2^32-1 + byte[] b2 = new byte[]{0x00,0x00,0x00,0x00,0x00,(byte) 0xff,(byte) 0xff,(byte) 0xff,(byte) 0xff}; + byte[] b3 = new byte[]{0x00,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x00};//2^32 - VlInt vlInt_long = new VlInt(l1); - VlInt vlInt_long2 = new VlInt(l2); VlInt vlInt_bigInteger = new VlInt(b); - //判断size - assertFalse(vlInt_long.size()>=9); - assertTrue(vlInt_long2.size()>=9); - assertTrue(vlInt_bigInteger.size()>=9); - //判断值是否相等 + VlInt vlInt_b0 = new VlInt(b0); + VlInt vlInt_b1 = new VlInt(b1); + //以VlInt(BigInteger)形式构造的VlInt assertEquals(vlInt_bigInteger.getVlIntValue(),b); + ///以VlInt(bytes[])形式构造的VlInt + assertEquals(vlInt_b0.getVlIntValue(),b_0); + assertEquals(vlInt_b1.getVlIntValue(),b_1); + } @Test