diff --git a/test/Jamfile.v2 b/test/Jamfile.v2
index ad14368..acefec0 100644
--- a/test/Jamfile.v2
+++ b/test/Jamfile.v2
@@ -15,6 +15,7 @@ test-suite integer
         [ run integer_traits_test.cpp ]
         [ run integer_test.cpp : : : <toolset>gcc:<cxxflags>-Wno-long-long <toolset>darwin:<cxxflags>-Wno-long-long <toolset>sun:<cxxflags>"-Qoption ccfe -tmpldepth=128" ]
         [ run integer_mask_test.cpp ]
+        [ run integer_log2_test.cpp ]
         [ run static_log2_test.cpp ]
         [ run static_min_max_test.cpp ]
         [ run extended_euclidean_test.cpp ]
diff --git a/test/integer_log2_test.cpp b/test/integer_log2_test.cpp
new file mode 100644
index 0000000..064b0e4
--- /dev/null
+++ b/test/integer_log2_test.cpp
@@ -0,0 +1,163 @@
+//  Boost integer_log2.hpp test program  --------------------------------------//
+
+//  (C) Copyright Andrey Semashev 2021.
+//  Distributed under the Boost Software License, Version 1.0. (See
+//  accompanying file LICENSE_1_0.txt or copy at
+//  https://www.boost.org/LICENSE_1_0.txt)
+
+//  See https://www.boost.org for most recent version including documentation.
+
+#include <boost/config.hpp>
+#include <boost/cstdint.hpp>
+#include <boost/integer/integer_log2.hpp>
+
+#include <boost/core/lightweight_test.hpp>
+
+#include <iostream>
+
+
+// Macros to compact code
+#define PRIVATE_LB_TEST( v, e )  BOOST_TEST( ::boost::integer_log2((v)) == e )
+
+#define PRIVATE_PRINT_LB( v )    ::std::cout << "boost::integer_log2(" << (v) \
+ << ") = " << ::boost::integer_log2((v)) << '.' << ::std::endl
+
+// Control to check for a compile-time error
+#ifndef CONTROL_LB_0_TEST
+#define PRIVATE_LB_0_TEST
+#else
+#define PRIVATE_LB_0_TEST  PRIVATE_PRINT_LB( 0 )
+#endif
+
+
+// Main testing function
+int main()
+{
+    std::cout << "Doing tests on integer_log2." << std::endl;
+
+    PRIVATE_LB_0_TEST;
+
+    PRIVATE_LB_TEST( (unsigned char)1, 0 );
+    PRIVATE_LB_TEST( (unsigned char)2, 1 );
+
+    PRIVATE_LB_TEST( 1, 0 );
+
+    PRIVATE_LB_TEST( 2, 1 );
+    PRIVATE_LB_TEST( 3, 1 );
+
+    PRIVATE_LB_TEST( 4, 2 );
+    PRIVATE_LB_TEST( 5, 2 );
+    PRIVATE_LB_TEST( 6, 2 );
+    PRIVATE_LB_TEST( 7, 2 );
+
+    PRIVATE_LB_TEST(  8, 3 );
+    PRIVATE_LB_TEST(  9, 3 );
+    PRIVATE_LB_TEST( 10, 3 );
+    PRIVATE_LB_TEST( 11, 3 );
+    PRIVATE_LB_TEST( 12, 3 );
+    PRIVATE_LB_TEST( 13, 3 );
+    PRIVATE_LB_TEST( 14, 3 );
+    PRIVATE_LB_TEST( 15, 3 );
+
+    PRIVATE_LB_TEST( 16, 4 );
+    PRIVATE_LB_TEST( 17, 4 );
+    PRIVATE_LB_TEST( 18, 4 );
+    PRIVATE_LB_TEST( 19, 4 );
+    PRIVATE_LB_TEST( 20, 4 );
+    PRIVATE_LB_TEST( 21, 4 );
+    PRIVATE_LB_TEST( 22, 4 );
+    PRIVATE_LB_TEST( 23, 4 );
+    PRIVATE_LB_TEST( 24, 4 );
+    PRIVATE_LB_TEST( 25, 4 );
+    PRIVATE_LB_TEST( 26, 4 );
+    PRIVATE_LB_TEST( 27, 4 );
+    PRIVATE_LB_TEST( 28, 4 );
+    PRIVATE_LB_TEST( 29, 4 );
+    PRIVATE_LB_TEST( 30, 4 );
+    PRIVATE_LB_TEST( 31, 4 );
+
+    PRIVATE_LB_TEST( 32, 5 );
+    PRIVATE_LB_TEST( 33, 5 );
+    PRIVATE_LB_TEST( 34, 5 );
+    PRIVATE_LB_TEST( 35, 5 );
+    PRIVATE_LB_TEST( 36, 5 );
+    PRIVATE_LB_TEST( 37, 5 );
+    PRIVATE_LB_TEST( 38, 5 );
+    PRIVATE_LB_TEST( 39, 5 );
+    PRIVATE_LB_TEST( 40, 5 );
+
+    PRIVATE_LB_TEST( 63, 5 );
+
+    PRIVATE_LB_TEST( 64, 6 );
+    PRIVATE_LB_TEST( 65, 6 );
+
+    PRIVATE_LB_TEST( 127, 6 );
+
+    PRIVATE_LB_TEST( 128, 7 );
+    PRIVATE_LB_TEST( 129, 7 );
+
+    PRIVATE_LB_TEST( 255, 7 );
+
+    PRIVATE_LB_TEST( 256, 8 );
+    PRIVATE_LB_TEST( 257, 8 );
+
+    PRIVATE_LB_TEST( 511, 8 );
+
+    PRIVATE_LB_TEST( 512, 9 );
+    PRIVATE_LB_TEST( 513, 9 );
+
+    PRIVATE_LB_TEST( 1023, 9 );
+
+    PRIVATE_LB_TEST( 1024, 10 );
+    PRIVATE_LB_TEST( 1025, 10 );
+
+    PRIVATE_LB_TEST( 2047, 10 );
+
+    PRIVATE_LB_TEST( 2048, 11 );
+    PRIVATE_LB_TEST( 2049, 11 );
+
+    PRIVATE_LB_TEST( 4095, 11 );
+
+    PRIVATE_LB_TEST( 4096, 12 );
+    PRIVATE_LB_TEST( 4097, 12 );
+
+    PRIVATE_LB_TEST( 8191, 12 );
+
+    PRIVATE_LB_TEST( 8192, 13 );
+    PRIVATE_LB_TEST( 8193, 13 );
+
+    PRIVATE_LB_TEST( 16383, 13 );
+
+    PRIVATE_LB_TEST( 16384, 14 );
+    PRIVATE_LB_TEST( 16385, 14 );
+
+    PRIVATE_LB_TEST( 32767, 14 );
+
+    PRIVATE_LB_TEST( 32768, 15 );
+    PRIVATE_LB_TEST( 32769, 15 );
+
+    PRIVATE_LB_TEST( 65535, 15 );
+
+    PRIVATE_LB_TEST( 65536, 16 );
+    PRIVATE_LB_TEST( 65537, 16 );
+
+#if defined(UINT32_C)
+    PRIVATE_LB_TEST( UINT32_C(4294967295), 31 );
+#endif
+
+#if defined(UINT64_C) && !defined(BOOST_NO_INT64_T)
+    PRIVATE_LB_TEST( UINT64_C(4294967296), 32 );
+    PRIVATE_LB_TEST( UINT64_C(4294967297), 32 );
+
+    PRIVATE_LB_TEST( UINT64_C(18446744073709551615), 63 );
+#endif
+
+#if defined(BOOST_HAS_INT128)
+    PRIVATE_LB_TEST( boost::uint128_type(1u) << 64u, 64 );
+    PRIVATE_LB_TEST( (boost::uint128_type(1u) << 64u) + 1u, 64 );
+
+    PRIVATE_LB_TEST( ~boost::uint128_type(0u), 127 );
+#endif
+
+    return boost::report_errors();
+}