diff --git a/meson.build b/meson.build
index 523ac3b258..0b0c35bd8a 100644
--- a/meson.build
+++ b/meson.build
@@ -364,8 +364,6 @@ install: false)
 
 test('test-hashtable', test_hashtable)
 
-test_mem_sources = noun_src + jets_all_src + vere_sans_main + ['tests/test.c']
-
 test_mem = executable('test-mem',
 sources : test_sources + ['tests/test.c'],
 include_directories : incdir,
@@ -375,3 +373,13 @@ dependencies: deps + os_deps,
 install: false)
 
 test('test-mem', test_mem, should_fail: true)
+
+test_hash = executable('test-hash',
+sources : test_sources + ['tests/hash_tests.c'],
+include_directories : incdir,
+c_args : os_c_flags,
+link_args: os_link_flags,
+dependencies: deps + os_deps,
+install: false)
+
+test('test_hash', test_hash)
diff --git a/tests/hash_tests.c b/tests/hash_tests.c
new file mode 100644
index 0000000000..6a11795eec
--- /dev/null
+++ b/tests/hash_tests.c
@@ -0,0 +1,68 @@
+#include "all.h"
+
+/* _setup(): prepare for tests.
+*/
+static void
+_setup(void)
+{
+  u3m_init(c3y);
+  u3m_pave(c3y, c3n);
+}
+
+/* _test_mur(): spot check u3r_mur hashes.
+*/
+static void
+_test_mur(void)
+{
+  if ( 0x4d441035 != u3r_mur_string("Hello, world!") ) {
+    fprintf(stderr, "fail\r\n");
+    exit(1);
+  }
+
+  if ( 0x4d441035 != u3r_mur(u3i_string("Hello, world!")) ) {
+    fprintf(stderr, "fail\r\n");
+    exit(1);
+  }
+
+  if ( 0x79ff04e8 != u3r_mur_bytes(0, 0) ) {
+    fprintf(stderr, "fail\r\n");
+    exit(1);
+  }
+
+  if ( 0x64dfda5c != u3r_mur(u3i_string("xxxxxxxxxxxxxxxxxxxxxxxxxxxx")) ) {
+    fprintf(stderr, "fail\r\n");
+    exit(1);
+  }
+
+  if ( 0x389ca03a != u3r_mur_cell(0, 0) ) {
+    fprintf(stderr, "fail\r\n");
+    exit(1);
+  }
+
+  if ( 0x389ca03a != u3r_mur_cell(1, 1) ) {
+    fprintf(stderr, "fail\r\n");
+    exit(1);
+  }
+
+  if ( 0x5258a6c0 != u3r_mur_cell(0, u3qc_bex(32)) ) {
+    fprintf(stderr, "fail\r\n");
+    exit(1);
+  }
+
+  if ( 0x2ad39968 != u3r_mur_cell(u3qa_dec(u3qc_bex(128)), 1) ) {
+    fprintf(stderr, "fail\r\n");
+    exit(1);
+  }
+}
+
+/* main(): run all test cases.
+*/
+int
+main(int argc, char* argv[])
+{
+  _setup();
+
+  _test_mur();
+
+  return 0;
+}