diff --git a/doc/xml/release.xml b/doc/xml/release.xml
index be1213a89..0b3711903 100644
--- a/doc/xml/release.xml
+++ b/doc/xml/release.xml
@@ -90,6 +90,14 @@
                     </release-item>
                 </release-development-list>
             </release-doc-list>
+
+            <release-test-list>
+                <release-development-list>
+                    <release-item>
+                        <p>Add missing ToLog() coverage to <code>String</code>, <code>List</code>, and <code>PgControl</code>.</p>
+                    </release-item>
+                </release-development-list>
+            </release-test-list>
         </release>
 
         <release date="2019-02-09" version="2.10" title="Bug Fixes">
diff --git a/test/define.yaml b/test/define.yaml
index 1f25fcbb0..a87892904 100644
--- a/test/define.yaml
+++ b/test/define.yaml
@@ -350,7 +350,7 @@ unit:
     test:
       # ----------------------------------------------------------------------------------------------------------------------------
       - name: interface
-        total: 2
+        total: 3
 
         coverage:
           postgres/interface: full
diff --git a/test/src/module/common/typeListTest.c b/test/src/module/common/typeListTest.c
index cf43f21ad..087734548 100644
--- a/test/src/module/common/typeListTest.c
+++ b/test/src/module/common/typeListTest.c
@@ -29,7 +29,7 @@ testRun(void)
     FUNCTION_HARNESS_VOID();
 
     // *****************************************************************************************************************************
-    if (testBegin("lstNew(), lstMemContext(), and lstFree()"))
+    if (testBegin("lstNew(), lstMemContext(), lstToLog(), and lstFree()"))
     {
         List *list = lstNew(sizeof(void *));
 
@@ -41,6 +41,8 @@ testRun(void)
         void *ptr = NULL;
         TEST_RESULT_PTR(lstAdd(list, &ptr), list, "add item");
 
+        TEST_RESULT_STR(strPtr(lstToLog(list)), "{size: 1}", "check log");
+
         TEST_RESULT_VOID(lstFree(list), "free list");
         TEST_RESULT_VOID(lstFree(lstNew(1)), "free empty list");
         TEST_RESULT_VOID(lstFree(NULL), "free null list");
diff --git a/test/src/module/common/typeStringTest.c b/test/src/module/common/typeStringTest.c
index ec9b51b82..578ec0393 100644
--- a/test/src/module/common/typeStringTest.c
+++ b/test/src/module/common/typeStringTest.c
@@ -81,8 +81,11 @@ testRun(void)
         String *string2 = strNew("ZZZZ");
 
         TEST_RESULT_STR(strPtr(strCat(string, "YYYY")), "XXXXYYYY", "cat string");
+        TEST_RESULT_SIZE(string->common.extra, 4, "check extra");
         TEST_RESULT_STR(strPtr(strCatFmt(string, "%05d", 777)), "XXXXYYYY00777", "cat formatted string");
+        TEST_RESULT_SIZE(string->common.extra, 6, "check extra");
         TEST_RESULT_STR(strPtr(strCatChr(string, '!')), "XXXXYYYY00777!", "cat chr");
+        TEST_RESULT_SIZE(string->common.extra, 5, "check extra");
 
         TEST_RESULT_STR(strPtr(string2), "ZZZZ", "check unaltered string");
     }
@@ -213,10 +216,17 @@ testRun(void)
     }
 
     // *****************************************************************************************************************************
-    if (testBegin("strToLog()"))
+    if (testBegin("strToLog() and strObjToLog()"))
     {
         TEST_RESULT_STR(strPtr(strToLog(strNew("test"))), "{\"test\"}", "format string");
         TEST_RESULT_STR(strPtr(strToLog(NULL)), "null", "format null string");
+
+        char buffer[256];
+        TEST_RESULT_UINT(strObjToLog(NULL, (StrObjToLogFormat)strToLog, buffer, sizeof(buffer)), 4, "format null string");
+        TEST_RESULT_STR(buffer, "null", "check null string");
+
+        TEST_RESULT_UINT(strObjToLog(strNew("teststr"), (StrObjToLogFormat)strToLog, buffer, sizeof(buffer)), 11, "format string");
+        TEST_RESULT_STR(buffer, "{\"teststr\"}", "check string");
     }
 
     // *****************************************************************************************************************************
diff --git a/test/src/module/postgres/interfaceTest.c b/test/src/module/postgres/interfaceTest.c
index b2c15d09f..11a741741 100644
--- a/test/src/module/postgres/interfaceTest.c
+++ b/test/src/module/postgres/interfaceTest.c
@@ -89,5 +89,21 @@ testRun(void)
         TEST_RESULT_INT(info.version, PG_VERSION_83, "   check version");
     }
 
+    // *****************************************************************************************************************************
+    if (testBegin("pgControlToLog()"))
+    {
+        PgControl pgControl =
+        {
+            .version = PG_VERSION_11,
+            .systemId = 0xEFEFEFEFEF,
+            .walSegmentSize= 16 * 1024 * 1024,
+            .pageChecksum = true
+        };
+
+        TEST_RESULT_STR(
+            strPtr(pgControlToLog(&pgControl)),
+            "{version: 110000, systemId: 1030522662895, walSegmentSize: 16777216, pageChecksum: true}", "check log");
+    }
+
     FUNCTION_HARNESS_RESULT_VOID();
 }