6 files changed, 10 insertions, 10 deletions
diff --git a/src/test/base32_tests.cpp b/src/test/base32_tests.cpp
index 3f7c5e99ee..3b44564ddb 100644
--- a/src/test/base32_tests.cpp
+++ b/src/test/base32_tests.cpp
@@ -17,7 +17,7 @@ BOOST_AUTO_TEST_CASE(base32_testvectors)
     static const std::string vstrIn[]  = {"","f","fo","foo","foob","fooba","foobar"};
     static const std::string vstrOut[] = {"","my======","mzxq====","mzxw6===","mzxw6yq=","mzxw6ytb","mzxw6ytboi======"};
     static const std::string vstrOutNoPadding[] = {"","my","mzxq","mzxw6","mzxw6yq","mzxw6ytb","mzxw6ytboi"};
-    for (unsigned int i=0; i<sizeof(vstrIn)/sizeof(vstrIn[0]); i++)
+    for (unsigned int i=0; i<std::size(vstrIn); i++)
     {
         std::string strEnc = EncodeBase32(vstrIn[i]);
         BOOST_CHECK_EQUAL(strEnc, vstrOut[i]);
diff --git a/src/test/base64_tests.cpp b/src/test/base64_tests.cpp
index bb8d102bd0..714fccffaa 100644
--- a/src/test/base64_tests.cpp
+++ b/src/test/base64_tests.cpp
@@ -16,7 +16,7 @@ BOOST_AUTO_TEST_CASE(base64_testvectors)
 {
     static const std::string vstrIn[]  = {"","f","fo","foo","foob","fooba","foobar"};
     static const std::string vstrOut[] = {"","Zg==","Zm8=","Zm9v","Zm9vYg==","Zm9vYmE=","Zm9vYmFy"};
-    for (unsigned int i=0; i<sizeof(vstrIn)/sizeof(vstrIn[0]); i++)
+    for (unsigned int i=0; i<std::size(vstrIn); i++)
     {
         std::string strEnc = EncodeBase64(vstrIn[i]);
         BOOST_CHECK_EQUAL(strEnc, vstrOut[i]);
diff --git a/src/test/hash_tests.cpp b/src/test/hash_tests.cpp
index 87f6470afa..41a626c0ea 100644
--- a/src/test/hash_tests.cpp
+++ b/src/test/hash_tests.cpp
@@ -107,14 +107,14 @@ BOOST_AUTO_TEST_CASE(siphash)
 
     // Check test vectors from spec, one byte at a time
     CSipHasher hasher2(0x0706050403020100ULL, 0x0F0E0D0C0B0A0908ULL);
-    for (uint8_t x=0; x<ARRAYLEN(siphash_4_2_testvec); ++x)
+    for (uint8_t x=0; x<std::size(siphash_4_2_testvec); ++x)
     {
         BOOST_CHECK_EQUAL(hasher2.Finalize(), siphash_4_2_testvec[x]);
         hasher2.Write(&x, 1);
     }
     // Check test vectors from spec, eight bytes at a time
     CSipHasher hasher3(0x0706050403020100ULL, 0x0F0E0D0C0B0A0908ULL);
-    for (uint8_t x=0; x<ARRAYLEN(siphash_4_2_testvec); x+=8)
+    for (uint8_t x=0; x<std::size(siphash_4_2_testvec); x+=8)
     {
         BOOST_CHECK_EQUAL(hasher3.Finalize(), siphash_4_2_testvec[x]);
         hasher3.Write(uint64_t(x)|(uint64_t(x+1)<<8)|(uint64_t(x+2)<<16)|(uint64_t(x+3)<<24)|
diff --git a/src/test/miner_tests.cpp b/src/test/miner_tests.cpp
index 3e90bb054b..80382be682 100644
--- a/src/test/miner_tests.cpp
+++ b/src/test/miner_tests.cpp
@@ -216,7 +216,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
 
     // We can't make transactions until we have inputs
     // Therefore, load 110 blocks :)
-    static_assert(sizeof(blockinfo) / sizeof(*blockinfo) == 110, "Should have 110 blocks to import");
+    static_assert(std::size(blockinfo) == 110, "Should have 110 blocks to import");
     int baseheight = 0;
     std::vector<CTransactionRef> txFirst;
     for (const auto& bi : blockinfo) {
diff --git a/src/test/scriptnum_tests.cpp b/src/test/scriptnum_tests.cpp
index 281018be9f..746d4d3c6b 100644
--- a/src/test/scriptnum_tests.cpp
+++ b/src/test/scriptnum_tests.cpp
@@ -164,9 +164,9 @@ static void RunOperators(const int64_t& num1, const int64_t& num2)
 
 BOOST_AUTO_TEST_CASE(creation)
 {
-    for(size_t i = 0; i < sizeof(values) / sizeof(values[0]); ++i)
+    for(size_t i = 0; i < std::size(values); ++i)
     {
-        for(size_t j = 0; j < sizeof(offsets) / sizeof(offsets[0]); ++j)
+        for(size_t j = 0; j < std::size(offsets); ++j)
         {
             RunCreate(values[i]);
             RunCreate(values[i] + offsets[j]);
@@ -177,9 +177,9 @@ BOOST_AUTO_TEST_CASE(creation)
 
 BOOST_AUTO_TEST_CASE(operators)
 {
-    for(size_t i = 0; i < sizeof(values) / sizeof(values[0]); ++i)
+    for(size_t i = 0; i < std::size(values); ++i)
     {
-        for(size_t j = 0; j < sizeof(offsets) / sizeof(offsets[0]); ++j)
+        for(size_t j = 0; j < std::size(offsets); ++j)
         {
             RunOperators(values[i], values[i]);
             RunOperators(values[i], -values[i]);
diff --git a/src/test/sighash_tests.cpp b/src/test/sighash_tests.cpp
index bc862de78a..2eb980e8cd 100644
--- a/src/test/sighash_tests.cpp
+++ b/src/test/sighash_tests.cpp
@@ -88,7 +88,7 @@ void static RandomScript(CScript &script) {
     script = CScript();
     int ops = (InsecureRandRange(10));
     for (int i=0; i<ops; i++)
-        script << oplist[InsecureRandRange(sizeof(oplist)/sizeof(oplist[0]))];
+        script << oplist[InsecureRandRange(std::size(oplist))];
 }
 
 void static RandomTransaction(CMutableTransaction &tx, bool fSingle) {