1 files changed, 49 insertions, 0 deletions
diff --git a/tests/util.test b/tests/util.test
index 46bb945..35fc642 100644
--- a/tests/util.test
+++ b/tests/util.test
@@ -20,6 +20,7 @@ testConstraint testbytestring [llength [info commands testbytestring]]
 testConstraint testdstring [llength [info commands testdstring]]
 testConstraint testconcatobj [llength [info commands testconcatobj]]
 testConstraint testdoubledigits [llength [info commands testdoubledigits]]
+testConstraint testprint [llength [info commands testprint]]
 
 # Big test for correct ordering of data in [expr]
 
@@ -4035,6 +4036,54 @@ test util-17.1 {bankers' rounding [Bug 3349507]} {ieeeFloatingPoint} {
     0x4400000000000000 0xc400000000000000
 }]
 
+test util-18.1 {Tcl_ObjPrintf} {testprint} {
+    testprint %lld [expr 2**63-1]
+} {9223372036854775807}
+
+test util-18.2 {Tcl_ObjPrintf} {testprint} {
+    testprint %I64d [expr 2**63-1]
+} {9223372036854775807}
+
+test util-18.3 {Tcl_ObjPrintf} {testprint} {
+    testprint %qd [expr 2**63-1]
+} {9223372036854775807}
+
+test util-18.4 {Tcl_ObjPrintf} {testprint} {
+    testprint %jd [expr 2**63-1]
+} {9223372036854775807}
+
+test util-18.5 {Tcl_ObjPrintf} {testprint} {
+    testprint %lld [expr -2**63]
+} {-9223372036854775808}
+
+test util-18.6 {Tcl_ObjPrintf} {testprint} {
+    testprint %I64d [expr -2**63]
+} {-9223372036854775808}
+
+test util-18.7 {Tcl_ObjPrintf} {testprint} {
+    testprint %qd [expr -2**63]
+} {-9223372036854775808}
+
+test util-18.8 {Tcl_ObjPrintf} {testprint} {
+    testprint %jd [expr -2**63]
+} {-9223372036854775808}
+
+test util-18.9 {Tcl_ObjPrintf} {testprint} {
+    testprint "%I64d %I32d" [expr -2**63+2]
+} {-9223372036854775806 2}
+
+test util-18.10 {Tcl_ObjPrintf} {testprint} {
+    testprint "%I64d %p" 65535
+} {65535 0xffff}
+
+test util-18.11 {Tcl_ObjPrintf} {testprint} {
+    testprint "%I64d %td" 65536
+} {65536 65536}
+
+test util-18.12 {Tcl_ObjPrintf} {testprint} {
+    testprint "%I64d %Id" 65537
+} {65537 65537}
+
 set ::tcl_precision $saved_precision
 
 # cleanup