Merge apn-bigdata-tests

4 files changed, 1277 insertions, 1 deletions

diff --git a/generic/tclListObj.c b/generic/tclListObj.c
index 1ade0ba..747eea0 100644
--- a/generic/tclListObj.c
+++ b/generic/tclListObj.c
@@ -1852,7 +1852,7 @@ Tcl_ListObjAppendList(
 				    : LISTREP_SPACE_ONLY_BACK,
 		    &listRep)
 	!= TCL_OK) {
-	return TCL_ERROR;
+	return MemoryAllocationError(interp, finalLen);
     }
     LIST_ASSERT(listRep.storePtr->numAllocated >= finalLen);
 
diff --git a/generic/tclTest.c b/generic/tclTest.c
index 936984f..3a6ebba 100644
--- a/generic/tclTest.c
+++ b/generic/tclTest.c
@@ -334,6 +334,7 @@ static Tcl_ObjCmdProc	TestFindFirstCmd;
 static Tcl_ObjCmdProc	TestFindLastCmd;
 static Tcl_ObjCmdProc	TestHashSystemHashCmd;
 static Tcl_ObjCmdProc	TestGetIntForIndexCmd;
+static Tcl_ObjCmdProc	TestLutilCmd;
 
 static Tcl_NRPostProc	NREUnwind_callback;
 static Tcl_ObjCmdProc	TestNREUnwind;
@@ -722,6 +723,8 @@ Tcltest_Init(
 	    NULL, NULL);
     Tcl_CreateObjCommand(interp, "testapplylambda", TestApplyLambdaObjCmd,
 	    NULL, NULL);
+    Tcl_CreateObjCommand(interp, "testlutil", TestLutilCmd,
+	    NULL, NULL);
 
     if (TclObjTest_Init(interp) != TCL_OK) {
 	return TCL_ERROR;
@@ -8595,6 +8598,102 @@ int TestApplyLambdaObjCmd (
 }
 
 /*
+ *----------------------------------------------------------------------
+ *
+ * TestLutilCmd --
+ *
+ *	This procedure implements the "testlequal" command. It is used to
+ *	test compare two lists for equality using the string representation
+ *      of each element. Implemented in C because script level loops are
+ *	too slow for comparing large (GB count) lists.
+ *
+ * Results:
+ *	A standard Tcl result.
+ *
+ * Side effects:
+ *	None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static int
+TestLutilCmd(
+    TCL_UNUSED(void *),
+    Tcl_Interp *interp,		/* Current interpreter. */
+    int objc,			/* Number of arguments. */
+    Tcl_Obj *const objv[])	/* Arguments. */
+{
+    Tcl_Size nL1, nL2;
+    Tcl_Obj *l1Obj = NULL;
+    Tcl_Obj *l2Obj = NULL;
+    Tcl_Obj **l1Elems;
+    Tcl_Obj **l2Elems;
+    static const char *const subcmds[] = {
+	   "equal", "diffindex", NULL
+    };
+    enum options {
+	   LUTIL_EQUAL, LUTIL_DIFFINDEX
+    } idx;
+
+    if (objc != 4) {
+	Tcl_WrongNumArgs(interp, 1, objv, "list1 list2");
+	return TCL_ERROR;
+    }
+    if (Tcl_GetIndexFromObj(interp, objv[1], subcmds, "option", 0,
+	    &idx) != TCL_OK) {
+	return TCL_ERROR;
+    }
+
+    /* Protect against shimmering, just to be safe */
+    l1Obj = Tcl_DuplicateObj(objv[2]);
+    l2Obj = Tcl_DuplicateObj(objv[3]);
+
+    int ret = TCL_ERROR;
+    if (Tcl_ListObjGetElements(interp, l1Obj, &nL1, &l1Elems) != TCL_OK) {
+	goto vamoose;
+    }
+    if (Tcl_ListObjGetElements(interp, l2Obj, &nL2, &l2Elems) != TCL_OK) {
+	goto vamoose;
+    }
+
+    Tcl_Size i, nCmp;
+
+    ret = TCL_OK;
+    switch (idx) {
+    case LUTIL_EQUAL:
+	/* Avoid the loop below if lengths differ */
+	if (nL1 != nL2) {
+	    Tcl_SetObjResult(interp, Tcl_NewIntObj(0));
+	    break;
+	}
+	/* FALLTHRU */
+    case LUTIL_DIFFINDEX:
+	nCmp = nL1 <= nL2 ? nL1 : nL2;
+	for (i = 0; i < nCmp; ++i) {
+	    if (strcmp(Tcl_GetString(l1Elems[i]), Tcl_GetString(l2Elems[i]))) {
+		break;
+	    }
+	}
+	if (i == nCmp && nCmp == nL1 && nCmp == nL2) {
+	    nCmp = idx == LUTIL_EQUAL ? 1 : -1;
+	} else {
+	    nCmp = idx == LUTIL_EQUAL ? 0 : i;
+	}
+	Tcl_SetObjResult(interp, Tcl_NewWideIntObj(nCmp));
+	break;
+    }
+
+vamoose:
+    if (l1Obj) {
+	Tcl_DecrRefCount(l1Obj);
+    }
+    if (l2Obj) {
+	Tcl_DecrRefCount(l2Obj);
+    }
+    return ret;
+}
+
+/*
  * Local Variables:
  * mode: c
  * c-basic-offset: 4
diff --git a/generic/tclTestObj.c b/generic/tclTestObj.c
index c453132..e801a2d 100644
--- a/generic/tclTestObj.c
+++ b/generic/tclTestObj.c
@@ -25,6 +25,7 @@
 #endif
 #include "tclStringRep.h"
 
+#include <assert.h>
 
 /*
  * Forward declarations for functions defined later in this file:
@@ -42,6 +43,7 @@ static Tcl_ObjCmdProc	TestintobjCmd;
 static Tcl_ObjCmdProc	TestlistobjCmd;
 static Tcl_ObjCmdProc	TestobjCmd;
 static Tcl_ObjCmdProc	TeststringobjCmd;
+static Tcl_ObjCmdProc	TestbigdataCmd;
 
 #define VARPTR_KEY "TCLOBJTEST_VARPTR"
 #define NUMBER_OF_OBJECT_VARS 20
@@ -117,6 +119,8 @@ TclObjTest_Init(
     Tcl_CreateObjCommand(interp, "testobj", TestobjCmd, NULL, NULL);
     Tcl_CreateObjCommand(interp, "teststringobj", TeststringobjCmd,
 	    NULL, NULL);
+    Tcl_CreateObjCommand(interp, "testbigdata", TestbigdataCmd,
+	    NULL, NULL);
     return TCL_OK;
 }
 
@@ -1519,6 +1523,144 @@ TeststringobjCmd(
 }
 
 /*
+ *------------------------------------------------------------------------
+ *
+ * TestbigdataCmd --
+ *
+ *    Implements the Tcl command testbigdata
+ *	testbigdata string ?LEN? ?SPLIT? - returns 01234567890123...
+ *      testbigdata bytearray ?LEN? ?SPLIT? - returns {0 1 2 3 4 5 6 7 8 9 0 1 ...}
+ *      testbigdata dict ?SIZE? - returns dict mapping integers to themselves
+ *    If no arguments given, returns the pattern used to generate strings.
+ *    If SPLIT is specified, the character at that position is set to "X".
+ *
+ * Results:
+ *    TCL_OK    - Success.
+ *    TCL_ERROR - Error.
+ *
+ * Side effects:
+ *    Interpreter result holds result or error message.
+ *
+ *------------------------------------------------------------------------
+ */
+static int
+TestbigdataCmd (
+    TCL_UNUSED(void *),
+    Tcl_Interp *interp,    /* Current interpreter. */
+    int objc,              /* Number of arguments. */
+    Tcl_Obj *const objv[]) /* Argument objects. */
+{
+    static const char *const subcmds[] = {
+	   "string", "bytearray", "list", "dict", NULL
+    };
+    enum options {
+	   BIGDATA_STRING, BIGDATA_BYTEARRAY, BIGDATA_LIST, BIGDATA_DICT
+    } idx;
+    char *s;
+    unsigned char *p;
+    Tcl_WideInt i, len, split;
+    Tcl_DString ds;
+    Tcl_Obj *objPtr;
+#define PATTERN_LEN 10
+    Tcl_Obj *patternObjs[PATTERN_LEN];
+
+    if (objc < 2 || objc > 4) {
+	Tcl_WrongNumArgs(interp, 1, objv, "command ?len? ?split?");
+	return TCL_ERROR;
+    }
+    if (Tcl_GetIndexFromObj(interp, objv[1], subcmds, "option", 0,
+	    &idx) != TCL_OK) {
+	return TCL_ERROR;
+    }
+    split = -1;
+    if (objc == 2) {
+	len = PATTERN_LEN;
+    } else {
+	if (Tcl_GetWideIntFromObj(interp, objv[2], &len) != TCL_OK) {
+	    return TCL_ERROR;
+	}
+	if (objc == 4) {
+	    if (Tcl_GetWideIntFromObj(interp, objv[3], &split) != TCL_OK) {
+		return TCL_ERROR;
+	    }
+	    if (split >= len) {
+		split = len - 1; /* Last position */
+	    }
+	}
+    }
+    /* Need one byte for nul terminator */
+    Tcl_WideInt limit =
+	sizeof(Tcl_Size) == sizeof(Tcl_WideInt) ? WIDE_MAX-1 : INT_MAX-1;
+    if (len < 0 || len > limit) {
+	Tcl_SetObjResult(
+	    interp,
+	    Tcl_ObjPrintf(
+		"%s is greater than max permitted length %" TCL_LL_MODIFIER "d",
+		Tcl_GetString(objv[2]),
+		limit));
+	return TCL_ERROR;
+    }
+
+    switch (idx) {
+    case BIGDATA_STRING:
+	Tcl_DStringInit(&ds);
+	Tcl_DStringSetLength(&ds, len);/* Also stores \0 at index len+1 */
+	s = Tcl_DStringValue(&ds);
+	for (i = 0; i < len; ++i) {
+	    s[i] = '0' + (i % PATTERN_LEN);
+	}
+	if (split >= 0) {
+	    assert(split < len);
+	    s[split] = 'X';
+	}
+	Tcl_DStringResult(interp, &ds);
+	break;
+    case BIGDATA_BYTEARRAY:
+	objPtr = Tcl_NewByteArrayObj(NULL, len);
+	p = Tcl_GetByteArrayFromObj(objPtr, &len);
+	for (i = 0; i < len; ++i) {
+	    p[i] = '0' + (i % PATTERN_LEN);
+	}
+	if (split >= 0) {
+	    assert(split < len);
+	    p[split] = 'X';
+	}
+	Tcl_SetObjResult(interp, objPtr);
+	break;
+    case BIGDATA_LIST:
+	for (i = 0; i < PATTERN_LEN; ++i) {
+	    patternObjs[i] = Tcl_NewIntObj(i);
+	    Tcl_IncrRefCount(patternObjs[i]);
+	}
+	objPtr = Tcl_NewListObj(len, NULL);
+	for (i = 0; i < len; ++i) {
+	    Tcl_ListObjAppendElement(
+		interp, objPtr, patternObjs[i % PATTERN_LEN]);
+	}
+	if (split >= 0) {
+	    assert(split < len);
+	    Tcl_Obj *splitMarker = Tcl_NewStringObj("X", 1);
+	    Tcl_ListObjReplace(interp, objPtr, split, 1, 1, &splitMarker);
+	}
+	for (i = 0; i < PATTERN_LEN; ++i) {
+	    patternObjs[i] = Tcl_NewIntObj(i);
+	    Tcl_DecrRefCount(patternObjs[i]);
+	}
+	Tcl_SetObjResult(interp, objPtr);
+	break;
+    case BIGDATA_DICT:
+	objPtr = Tcl_NewDictObj();
+	for (i = 0; i < len; ++i) {
+	    Tcl_Obj *objPtr2 = Tcl_NewWideIntObj(i);
+	    Tcl_DictObjPut(interp, objPtr, objPtr2, objPtr2);
+	}
+	Tcl_SetObjResult(interp, objPtr);
+	break;
+    }
+    return TCL_OK;
+}
+
+/*
  *----------------------------------------------------------------------
  *
  * SetVarToObj --
diff --git a/tests/bigdata.test b/tests/bigdata.test
new file mode 100644
index 0000000..5519ded
--- /dev/null
+++ b/tests/bigdata.test
@@ -0,0 +1,1035 @@
+# Test cases for large sized data
+#
+# Copyright © 2023 Ashok P. Nadkarni
+#
+# See the file "license.terms" for information on usage and redistribution
+# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
+
+# These are very rudimentary tests for large size arguments to commands.
+# They do not exercise all possible code paths such as shared/unshared Tcl_Objs,
+# literal/variable arguments etc.
+# They do however test compiled and uncompiled execution.
+
+if {"::tcltest" ni [namespace children]} {
+    package require tcltest
+
+    namespace import -force ::tcltest::*
+}
+
+::tcltest::loadTestedCommands
+catch [list package require -exact tcl::test [info patchlevel]]
+source [file join [file dirname [info script]] tcltests.tcl]
+
+#
+# bigtest and bigtestRO (RO->read only) generate compiled and uncompiled
+# versions of the given test script. The difference between the two is
+# that bigtest generates separate test instances for the two cases while
+# bigtestRO generates a single test case covering both. The latter can
+# only be used when operands are not modified and when combining tests
+# does not consume too much additional memory.
+
+# Wrapper to generate compiled and uncompiled cases for a test. If $args does
+# not contain a -body key, $comment is treated as the test body
+proc bigtest {id comment result args} {
+    if {[dict exists $args -body]} {
+        set body [dict get $args -body]
+        dict unset args -body
+    } else {
+        set body $comment
+    }
+    dict lappend args -constraints bigdata
+
+    uplevel 1 [list test $id.uncompiled "$comment (uncompiled)" \
+                   -body [list testevalex $body] \
+                   -result $result \
+                   {*}$args]
+
+    uplevel 1 [list test $id.compiled-script "$comment (compiled script)" \
+                   -body [list try $body] \
+                   -result $result \
+                   {*}$args]
+
+    return
+
+    # TODO - is this proc compilation required separately from the compile-script above?
+    dict append args -setup \n[list proc testxproc {} $body]
+    dict append args -cleanup "\nrename testxproc {}"
+    uplevel 1 [list test $id.compiled-proc "$comment (compiled proc)" \
+                   -body {testxproc} \
+                   -result $result \
+                   {*}$args]
+}
+
+# Like bigtest except that both compiled and uncompiled are combined into one
+# test using the same inout argument. This saves time but for obvious reasons
+# should only be used when the input argument is not modified.
+proc bigtestRO {id comment result args} {
+    if {[dict exists $args -body]} {
+        set body [dict get $args -body]
+        dict unset args -body
+    } else {
+        set body $comment
+    }
+    dict lappend args -constraints bigdata
+
+    set wrapper ""
+    set body "{$body}"
+    append wrapper "set uncompiled_result \[testevalex $body]" \n
+    append wrapper "set compiled_result \[try $body]" \n
+    append wrapper {list $uncompiled_result $compiled_result}
+    uplevel 1 [list test $id.uncompiled,compiled {$comment} \
+                   -body $wrapper \
+                   -result [list $result $result] \
+                   {*}$args]
+    return
+}
+
+interp alias {} bigClean {} unset -nocomplain s s1 s2 bin bin1 bin2 l l1 l2
+
+interp alias {} bigString {} testbigdata string
+interp alias {} bigBinary {} testbigdata bytearray
+interp alias {} bigList {} testbigdata list
+proc bigPatLen {} {
+    proc bigPatLen {} "return [string length [testbigdata string]]"
+    bigPatLen
+}
+
+# Returns list of expected elements at the indices specified
+proc bigStringIndices {indices} {
+    set pat [testbigdata string]
+    set patlen [string length $pat]
+    lmap idx $indices {
+        string index $pat [expr {$idx%$patlen}]
+    }
+}
+
+# Returns the largest multiple of the pattern length that is less than $limit
+proc bigPatlenMultiple {limit} {
+    set patlen [bigPatLen]
+    return [expr {($limit/$patlen)*$patlen}]
+}
+
+set ::bigLengths(intmax) 0x7fffffff
+set ::bigLengths(uintmax) 0xffffffff
+# Some tests are more convenient if operands are multiple of pattern length
+set ::bigLengths(patlenmultiple) [bigPatlenMultiple $::bigLengths(intmax)]
+set ::bigLengths(upatlenmultiple) [bigPatlenMultiple $::bigLengths(uintmax)]
+
+#
+# string cat
+bigtest string-cat-bigdata-1 "string cat large small result > INT_MAX" 1 -body {
+    string equal \
+        [string cat [bigString $::bigLengths(patlenmultiple)] [bigString]] \
+        [bigString [expr {[bigPatLen]+$::bigLengths(patlenmultiple)}]]
+}
+bigtest string-cat-bigdata-2 "string cat small large result > INT_MAX" 1 -body {
+    string equal \
+        [string cat [bigString] [bigString $::bigLengths(patlenmultiple)]] \
+        [bigString [expr {[bigPatLen]+$::bigLengths(patlenmultiple)}]]
+}
+bigtest string-cat-bigdata-3 "string cat result > UINT_MAX" 1 -body {
+    set s [bigString $::bigLengths(patlenmultiple)]
+    string equal \
+        [string cat $s [bigString] $s] \
+        [bigString [expr {[bigPatLen]+2*$::bigLengths(patlenmultiple)}]]
+}
+
+#
+# string compare/equal
+bigtestRO string-equal/compare-bigdata-1 "string compare/equal equal strings" {0 1} -body {
+    list [string compare $s1 $s2] [string equal $s1 $s2]
+} -setup {
+    set len [expr {$::bigLengths(intmax)+1}]
+    set s1 [bigString $len]
+    set s2 [bigString $len]; # Use separate string to avoid Tcl_Obj * being same
+} -cleanup {
+    bigClean
+}
+bigtestRO string-equal/compare-bigdata-2 "string compare/equal -length unequal strings" {-1 0 0 1} -body {
+    # Also tests lengths do not wrap
+    set result {}
+    lappend result [string compare $s1 $s2]
+    lappend result [string equal $s1 $s2]
+    # Check lengths > UINT_MAX
+    # Also that lengths do not truncate to sizeof(int)
+    lappend result [string compare -length $len $s1 $s2]
+    lappend result [string equal -length $len $s1 $s2]
+} -setup {
+    set len [expr {$::bigLengths(uintmax)+2}]
+    set s1 [bigString $len]
+    set s2 [bigString $len $len]; # Differs in last char
+} -cleanup {
+    bigClean
+} -constraints bug-a814ee5bbd
+
+#
+# string first
+bigtestRO string-first-bigdata-1 "string first > INT_MAX" {2147483648 -1 2147483650 1} -body {
+    list \
+        [string first X $s] \
+        [string first Y $s] \
+        [string first 0 $s 0x80000000] \
+        [string first 1 $s end-0x80000010]
+} -setup {
+    set s [bigString 0x8000000a 0x80000000]
+} -cleanup {
+    bigClean
+} -constraints bug-a814ee5bbd
+
+bigtestRO string-first-bigdata-2 "string first > UINT_MAX" {4294967296 -1 4294967300 1} -body {
+    list \
+        [string first X $s] \
+        [string first Y $s] \
+        [string first 0 $s 0x100000000] \
+        [string first 1 $s end-0x100000010]
+} -setup {
+    set s [bigString 0x10000000a 0x100000000]
+} -cleanup {
+    bigClean
+} -constraints bug-a814ee5bbd
+
+bigtestRO string-first-bigdata-3 "string first - long needle" 10 -body {
+    string first $needle $s
+} -setup {
+    set s [bigString 0x10000000a 0]
+    set needle [bigString 0x100000000]
+} -cleanup {
+   bigClean needle
+} -constraints bug-a814ee5bbd
+
+#
+# string index
+bigtestRO string-index-bigdata-1 "string index" {6 7 5 {} 5 4 {} 9 {}} -body {
+    list \
+        [string index $s 0x100000000] \
+        [string index $s 0x100000000+1] \
+        [string index $s 0x100000000-1] \
+        [string index $s 0x10000000a] \
+        [string index $s end] \
+        [string index $s end-1] \
+        [string index $s end+1] \
+        [string index $s end-0x100000000] \
+        [string index $s end-0x10000000a]
+} -setup {
+    set s [bigString 0x10000000a]
+} -cleanup {
+    bigClean
+}
+
+#
+# string insert
+bigtestRO string-insert-bigdata-1 "string insert" 1 -body {
+    # Note insert at multiple of 10 to enable comparison against generated string
+    string equal [string insert [bigString 4294967312] 4294967310 "0123456789"] [bigString 4294967322]
+}
+bigtestRO string-insert-bigdata-2 "string insert" 1 -body {
+    string equal [string insert [bigString 4294967312] 10 "0123456789"] [bigString 4294967322]
+}
+
+#
+# string is
+bigtestRO string-is-bigdata-1 "string is" {1 0 0 4294967296} -body {
+    # TODO - add the other "is" classes
+    unset -nocomplain failat result
+    lappend result [string is alnum -failindex failat $s] [info exists failat]
+    lappend result [string is digit -failindex failat $s] $failat
+} -setup {
+    set s [bigString 0x10000000a 0x100000000]
+} -cleanup {
+    bigClean failat
+}
+
+#
+# string last
+bigtestRO string-last-bigdata-1 "string last > INT_MAX" {2 -1 2147483640 11} -body {
+    set s [bigString 0x80000010 2]
+    list \
+        [string last X $s] \
+        [string last Y $s] \
+        [string last 0 $s 0x80000000] \
+        [string last 1 $s end-0x80000000]
+} -setup {
+    set s [bigString 0x80000010 2]
+} -cleanup {
+    bigClean
+} -constraints bug-a814ee5bbd
+
+bigtestRO string-last-bigdata-2 "string last > UINT_MAX" {4294967300 -1 4294967290 1} -body {
+    list \
+        [string last 0 $s] \
+        [string last Y $s] \
+        [string last 0 $s 0x100000000] \
+        [string last 1 $s end-0x100000010]
+} -setup {
+    set s [bigString 0x10000000a 2]
+} -cleanup {
+    bigClean
+} -constraints bug-a814ee5bbd
+
+bigtestRO string-last-bigdata-3 "string last - long needle" 0 -body {
+    string last $needle $s
+} -setup {
+    set s [bigString 0x10000000a 0x10000000a]
+    set needle [bigString 0x100000000]
+} -cleanup {
+    bigClean needle
+} -constraints bug-a814ee5bbd
+
+#
+# string length
+bigtestRO string-length-bigdata-1 {string length $s} 4294967296 -setup {
+    set s [bigString 0x100000000]
+} -cleanup {
+    bigClean
+}
+
+#
+# string map
+bigtestRO string-map-bigdata-1 {string map} {5 0 0 5} -body {
+    # Unset explicitly before setting to save memory as bigtestRO runs the
+    # script below twice.
+    unset -nocomplain s2
+    set s2 [string map {0 5 5 0} $s]
+    list \
+        [string index $s2 0] \
+        [string index $s2 5] \
+        [string index $s2 end] \
+        [string index $s2 end-5]
+} -setup {
+    set s [bigString 0x100000000]
+} -cleanup {
+    bigClean
+} -constraints bug-takesTooLong
+
+#
+# string match
+bigtestRO string-match-bigdata-1 {string match} {1 0 1} -body {
+    list \
+        [string match 0*5 $s] \
+        [string match 0*4 $s] \
+        [string match $s $s]
+} -setup {
+    set s [bigString 0x100000000]
+} -cleanup {
+    bigClean
+}
+
+#
+# string range
+bigtestRO string-range-bigdata-1 "string range" {6 7 5 {} 5 4 {} 9 {}} -body {
+    list \
+        [string range $s 0x100000000 0x100000000] \
+        [string range $s 0x100000000+1 0x100000000+1] \
+        [string range $s 0x100000000-1 0x100000000-1] \
+        [string range $s 0x10000000a 0x10000000a] \
+        [string range $s end end] \
+        [string range $s end-1 end-1] \
+        [string range $s end+1 end+1] \
+        [string range $s end-0x100000000 end-0x100000000] \
+        [string range $s end-0x10000000a end-0x10000000a]
+} -setup {
+    set s [bigString 0x10000000a]
+} -cleanup {
+    bigClean
+} -constraints bug-ad9361fd20f0
+# TODO - once above bug is fixed, add tests for large result range
+
+#
+# string repeat - use bigtest, not bigtestRO !!
+bigtest string-repeat-bigdata-1 "string repeat single char length > UINT_MAX" 4294967296 -body {
+    string length [string repeat x 0x100000000]
+}
+bigtest string-repeat-bigdata-2 "string repeat multiple char" {4294967296 0123456789abcdef 0123456789abcdef} -body {
+    set s [string repeat 0123456789abcdef [expr 0x100000000/16]]
+    list \
+        [string length $s] \
+        [string range $s 0 15] \
+        [string range $s end-15 end]
+} -cleanup {
+    bigClean
+}
+
+#
+# string replace
+bigtestRO string-replace-bigdata-1 "string replace" {789012345 012345678 XYZ789012345 012345678XYZ} -body {
+    # Unset explicitly before setting to save memory as bigtestRO runs the
+    # script below twice.
+    unset -nocomplain result
+    lappend result [string replace $s 0 0x100000000]
+    lappend result [string replace $s end-0x100000000 end]
+    lappend result [string replace $s 0 0x100000000 XYZ]
+    lappend result [string replace $s end-0x100000000 end XYZ]
+} -setup {
+    set s [bigString 0x10000000a]
+} -cleanup {
+    bigClean
+} -constraints bug-ad9361fd20f0
+# TODO - once above bug is fixed, add tests for large result range:
+# - replacements string is large
+# - replace in the middle - string length grows, shrinks
+# - last < first
+
+#
+# string reverse
+bigtestRO string-reverse-bigdata-1 "string reverse" {5432109876 9876543210} -body {
+    # Unset explicitly before setting to save memory as bigtestRO runs the
+    # script below twice.
+    unset -nocomplain s2 result
+    set s2 [string reverse $s]
+    list [string range $s2 0 9] [string range $s2 end-9 end]
+} -setup {
+    set s [bigString 0x10000000a]
+} -cleanup {
+    bigClean
+}
+
+#
+# string tolower
+bigtestRO string-tolower-bigdata-1 "string tolower" 1 -body {
+    string equal [string tolower $s] [string repeat abcd $repts]
+} -setup {
+    set repts [expr 0x100000010/4]
+    set s [string repeat ABCD $repts]
+} -cleanup {
+    bigClean repts
+}
+bigtestRO string-tolower-bigdata-2 "string tolower first last" {4294967312 ABCDabcdABCD 4294967312 ABCDabcdABCD 4294967312 ABCDabcdABCD} -body {
+    # Unset explicitly before setting to save memory as bigtestRO runs the
+    # script below twice.
+    unset -nocomplain s2 result
+    set s2 [string tolower $s 4 7]
+    lappend result [string length $s2] [string range $s2 0 11]
+
+    unset s2; #Explicit free to reduce total memory
+    set s2 [string tolower $s 0x100000008 0x10000000b]
+    lappend result [string length $s2] [string range $s2 0x100000004 end]
+
+    unset s2; #Explicit free to reduce total memory
+    set s2 [string tolower $s end-7 end-4]
+    lappend result [string length $s2] [string range $s2 0x100000004 end]
+} -setup {
+    set repts [expr 0x100000010/4]
+    set s [string repeat ABCD $repts]
+} -cleanup {
+    bigClean repts
+}
+
+#
+# string totitle
+bigtestRO string-totitle-bigdata-1 "string totitle first last" {4294967312 aBcDAbcdaBcD 4294967312 aBcDAbcdaBcD 4294967312 aBcDAbcdaBcD} -body {
+    # Unset explicitly before setting to save memory as bigtestRO runs the
+    # script below twice.
+    unset -nocomplain s2 result
+    set s2 [string totitle $s 4 7]
+    lappend result [string length $s2] [string range $s2 0 11]
+    unset s2; #Explicit free to reduce total memory
+    set s2 [string totitle $s 0x100000008 0x10000000b]
+    lappend result [string length $s2] [string range $s2 0x100000004 0x10000000f]
+    unset s2; #Explicit free to reduce total memory
+    set s2 [string totitle $s end-7 end-4]
+    lappend result [string length $s2] [string range $s2 0x100000004 0x10000000f]
+} -setup {
+    set repts [expr 0x100000010/4]
+    set s [string repeat aBcD $repts]
+} -cleanup {
+    bigClean repts
+}
+
+#
+# string toupper
+bigtestRO string-toupper-bigdata-1 "string toupper" 1 -body {
+    string equal [string toupper $s] [string repeat ABCD $repts]
+} -setup {
+    set repts [expr 0x100000010/4]
+    set s [string repeat abcd $repts]
+} -cleanup {
+    bigClean repts
+}
+bigtestRO string-toupper-bigdata-2 "string toupper first last" {4294967312 abcdABCDabcd 4294967312 abcdABCDabcd 4294967312 abcdABCDabcd} -body {
+    # Unset explicitly before setting to save memory as bigtestRO runs the
+    # script below twice.
+    unset -nocomplain s2 result
+    set s2 [string toupper $s 4 7]
+    lappend result [string length $s2] [string range $s2 0 11]
+    unset s2; #Explicit free to reduce total memory
+    set s2 [string toupper $s 0x100000008 0x10000000b]
+    lappend result [string length $s2] [string range $s2 0x100000004 0x10000000f]
+    unset s2; #Explicit free to reduce total memory
+    set s2 [string toupper $s end-7 end-4]
+    lappend result [string length $s2] [string range $s2 0x100000004 0x10000000f]
+} -setup {
+    set repts [expr 0x100000010/4]
+    set s [string repeat abcd $repts]
+} -cleanup {
+    bigClean repts
+}
+
+#
+# string trim
+bigtestRO string-trim-bigdata-1 "string trim" {abcdyxxy yxxyabcd} -body {
+    # Unset explicitly before setting to save memory as bigtestRO runs the
+    # script below twice.
+    unset -nocomplain s2
+    set s2 [string trim $s xy]
+    list [string range $s2 0 7] [string range $s2 end-7 end]
+} -setup {
+    set repts [expr 0x100000010/8]
+    set s [string repeat xyabcdyx $repts]
+} -cleanup {
+    bigClean
+}
+
+#
+# string trimleft
+bigtestRO string-trimleft-bigdata-1 "string trimleft" {abcdyxxy xyabcdyx} -body {
+    # Unset explicitly before setting to save memory as bigtestRO runs the
+    # script below twice.
+    unset -nocomplain s2
+    set s2 [string trimleft $s xy]
+    list [string range $s2 0 7] [string range $s2 end-7 end]
+} -setup {
+    set repts [expr 0x100000010/8]
+    set s [string repeat xyabcdyx $repts]
+} -cleanup {
+    bigClean
+}
+
+#
+# string trimright
+bigtestRO string-trimright-bigdata-1 "string trimright" {xyabcdyx yxxyabcd} -body {
+    # Unset explicitly before setting to save memory as bigtestRO runs the
+    # script below twice.
+    unset -nocomplain s2
+    set s2 [string trimright $s xy]
+    list [string range $s2 0 7] [string range $s2 end-7 end]
+} -setup {
+    set repts [expr 0x100000010/8]
+    set s [string repeat xyabcdyx $repts]
+} -cleanup {
+    bigClean
+}
+
+#
+# append
+bigtestRO append-bigdata-1 "append large to small" 1 -body {
+    set s 0123456789
+    append s [bigString 0x100000000]
+    string equal $s [bigString 0x10000000a]
+} -cleanup {
+    bigClean
+}
+bigtest append-bigdata-2 "append small to cross UINT_MAX boundary" 1 -body {
+    append s 0123456789
+    string equal $s [bigString 4294967300]
+} -setup {
+    set s [bigString 4294967290]
+} -cleanup {
+    bigClean
+}
+bigtest append-bigdata-3 "append small to cross UINT_MAX boundary" 1 -body {
+    set s2 ""
+    append s2 $s $s $s $s
+    string equal $s2 [bigString 4294967320]
+} -setup {
+    # Make length multiple of 4 AND 10 since the bigString pattern length is 10
+    set len [expr 4294967320/4]
+    set s [bigString $len]
+} -cleanup {
+    bigClean
+}
+
+#
+# format
+bigtestRO format-bigdata-1 "format %s" 1 -body {
+    # Unset explicitly before setting to save memory as bigtestRO runs the
+    # script below twice.
+    unset -nocomplain s2
+    set s2 [format %s $s]
+    string equal $s $s2
+} -setup {
+    set s [bigString 0x100000000]
+} -cleanup {
+    bigClean
+} -constraints bug-a550f9710b
+bigtest format-bigdata-2 "format bigstring%s" 1 -body {
+    set s [format $s X]
+    string equal $s [bigString 0x100000001 0x100000000]
+} -setup {
+    set s [bigString 0x100000000]
+    append s %s
+} -cleanup {
+    bigClean
+} -constraints bug-a550f9710b
+# TODO - once above bugs fixed, add tests for width and precision
+
+#
+# scan
+bigtestRO scan-bigdata-1 "scan %s" {1 1 2 1} -body {
+    # Unset explicitly before setting to save memory as bigtestRO runs the
+    # script below twice.
+    unset -nocomplain result digits
+    lappend result [string equal [scan $s %s] $s]
+    lappend result [string equal [scan $s {%[0-9X]}] $s]
+    lappend result [scan $s {%[0-9]%s} digits x] $x
+    lappend result [string equal $digits [bigString 0x100000008]]
+} -setup {
+    set s [bigString 0x10000000a 0x100000009]
+} -cleanup {
+    bigClean digits
+} -constraints bug-d4ede611a7
+
+#
+# regexp
+bigtestRO regexp-bigdata-1 "regexp" 1 -body {
+    # Unset explicitly before setting to save memory as bigtestRO runs the
+    # script below twice.
+    unset -nocomplain result digits
+    lappend result [regexp {[[:digit:]]*X} $s]
+} -setup {
+    set s [bigString 0x100000000 0x100000000]
+} -cleanup {
+    bigClean digits
+}
+bigtestRO regexp-bigdata-2 "regexp with capture" 1 -body {
+    # Unset explicitly before setting to save memory as bigtestRO runs the
+    # script below twice.
+    unset -nocomplain result digits match
+    lappend result [regexp {([[:digit:]])*X} $s match digits] [string equal $match $s]
+    puts B
+    unset match; # Free up memory
+    lappend result [string equal $digits [bigString 0x100000009]]
+} -setup {
+    set s [bigString 0x10000000a 0x100000009]
+} -cleanup {
+    bigClean digits match
+} -constraints bug-takesTooLong
+
+#
+# regsub
+bigtestRO regsub-bigdata-1 "regsub" X -body {
+    regsub -all \\d $s {}
+} -setup {
+    set s [bigString 0x100000001 0x100000000]
+} -cleanup {
+    bigClean
+} -constraints bug-takesTooLong
+bigtestRO regsub-bigdata-2 "regsub" 1 -body {
+    string equal [regsub -all \\d $s x] [string cat [string repeat x 0x100000000] X]
+} -setup {
+    set s [bigString 0x100000001 0x100000000]
+} -cleanup {
+    bigClean
+} -constraints bug-takesTooLong
+
+#
+# subst
+bigtestRO subst-bigdata-1 "subst" {1 1} -body {
+    unset -nocomplain result
+    lappend result [string equal [subst $s] $s]
+    lappend result [string equal [subst {$s}] $s]
+} -setup {
+    set s [bigString 0x10000000a]
+} -cleanup {
+    bigClean
+}
+
+#
+# binary format
+bigtestRO binary-format-bigdata-1 "binary format aN" 4294967296 -body {
+    # Unset explicitly before setting to save memory as bigtestRO runs the
+    # script below twice.
+    unset -nocomplain bin
+    set bin [binary format a4294967296 X]
+    string length $bin
+} -cleanup {
+    bigClean
+} -constraints bug-9369f83649
+# TODO - do string compare and add other format specifiers once above bug is fixed
+
+bigtestRO binary-format-bigdata-2 "binary format a*" 1 -body {
+    # Unset explicitly before setting to save memory as bigtestRO runs the
+    # script below twice.
+    unset -nocomplain bin2
+    set bin2 [binary format a* $bin]
+    string equal $bin $bin2
+} -setup {
+    set bin [bigBinary 4294967296]
+} -cleanup {
+    bigClean
+}
+
+#
+# binary scan
+bigtestRO binary-scan-bigdata-1 "binary scan aN" 4294967296 -body {
+    # Unset explicitly before setting to save memory as bigtestRO runs the
+    # script below twice.
+    unset -nocomplain bin2
+    binary scan $bin a4294967296 bin2
+    string length $bin2
+} -setup {
+    set bin [bigBinary 4294967296]
+} -cleanup {
+    bigClean
+} -constraints bug-9369f83649
+# TODO - do string compare and add other format specifiers once above bug is fixed
+
+bigtestRO binary-scan-bigdata-2 "binary scan a*" 1 -body {
+    # Unset explicitly before setting to save memory as bigtestRO runs the
+    # script below twice.
+    unset -nocomplain bin2
+    binary scan $bin a* bin2
+    string equal $bin $bin2
+} -setup {
+    set bin [bigBinary 4294967296]
+} -cleanup {
+    bigClean
+}
+# TODO - do string compare and add other format specifiers once above bug is fixed
+
+#
+# binary encode / decode base64
+bigtestRO binary-encode/decode-base64-bigdata-1 "binary encode/decode base64" 1 -body {
+    # Unset explicitly before setting to save memory as bigtestRO runs the
+    # script below twice.
+    string equal $bin [binary decode base64 [binary encode base64 $bin]]
+} -setup {
+    set bin [bigBinary 4294967296]
+} -cleanup {
+    bigClean
+} -constraints bug-c719fa8716
+
+#
+# binary encode / decode hex
+bigtestRO binary-encode/decode-hex-bigdata-1 "binary encode/decode hex" 1 -body {
+    # Unset explicitly before setting to save memory as bigtestRO runs the
+    # script below twice.
+    string equal $bin [binary decode hex [binary encode hex $bin]]
+} -setup {
+    set bin [bigBinary 4294967296]
+} -cleanup {
+    bigClean
+}
+
+#
+# binary encode / decode uuencode
+bigtestRO binary-encode/decode-uuencode-bigdata-1 "binary encode/decode uuencode" 1 -body {
+    string equal $bin [binary decode uuencode [binary encode uuencode $bin]]
+} -setup {
+    set bin [bigBinary 4294967296]
+} -cleanup {
+    bigClean
+} -constraints bug-2e3fed53ba
+
+################################################################
+# List commands
+
+#
+# foreach
+bigtestRO foreach-bigdata-1 "foreach" 1 -body {
+    # Unset explicitly before setting to save memory as bigtestRO runs the
+    # script below twice.
+    unset -nocomplain l2
+    foreach x $l {
+        lappend l2 $x
+    }
+    testlutil equal $l $l2
+} -setup {
+    set l [bigList 0x100000000]
+} -cleanup {
+    bigClean
+} -constraints lengthtruncation
+
+#
+# lappend
+bigtest lappend-bigdata-1 "lappend" {4294967300 4294967300 {1 2 3 4 5 a b c d}} -body {
+    # Do NOT initialize l in a -setup block. That requires more memory and fails.
+    # Do not have enough memory for a full compare.
+    # Just check end
+    set l [bigList 0x100000000]
+    list [llength [lappend l a b c d]] [llength $l] [lrange $l end-8 end]
+} -cleanup {
+    bigClean
+}
+
+#
+# lassign
+bigtestRO lassign-bigdata-1 "lassign" {0 1 2 3 4 5 6 7 8 9 1} -body {
+    # Unset explicitly before setting to save memory as bigtestRO runs the
+    # script below twice.
+    unset -nocomplain l2
+    set l2 [lassign $l a b c d e f g h i j]
+    list $a $b $c $d $e $f $g $h $i $j [testlutil equal $l2 [bigList 0x100000000]]
+} -setup {
+    set l [bigList 0x10000000a]
+} -cleanup {
+    bigClean
+} -constraints bug-d90fee06d0
+
+#
+# ledit
+bigtest ledit-bigdata-1 "ledit - small result" {{0 X Y Z 8} {0 X Y Z 8}} -body {
+    list [ledit l 1 0x100000001 X Y Z] $l
+} -setup {
+    set l [bigList 0x100000003]
+} -cleanup {
+    bigClean
+}
+
+bigtest ledit-bigdata-2 "ledit - large result" {4294967304 4294967304 {a b c d e f g 7}} -body {
+    # Do NOT initialize l in a -setup block. That requires more memory and fails.
+    set l [bigList 0x100000002]
+    list [llength [ledit l 0x100000000 0x100000000 a b c d e f g]] [llength $l] [lrange $l 0x100000000 end]
+} -cleanup {
+    bigClean
+}
+
+bigtest ledit-bigdata-3 "ledit - small -> large result" {2147483651 2147483651} -body {
+    set l2 {a b c x y z}
+    list [llength [ledit l2 2 3 {*}$l]] [llength $l2]
+} -setup {
+    set l [bigList 2147483647]
+} -cleanup {
+    bigClean
+} -constraints bug-7cddd2845c
+
+#
+# lindex
+bigtestRO lindex-bigdata-1 "lindex" {6 7 5 {} 5 4 {} 9 {}} -body {
+    list \
+        [lindex $l 0x100000000] \
+        [lindex $l 0x100000000+1] \
+        [lindex $l 0x100000000-1] \
+        [lindex $l 0x10000000a] \
+        [lindex $l end] \
+        [lindex $l end-1] \
+        [lindex $l end+1] \
+        [lindex $l end-0x100000000] \
+        [lindex $l end-0x10000000a]
+} -setup {
+    set l [bigList 0x10000000a]
+} -cleanup {
+    bigClean
+} -constraints bug-dcac54a685
+# TODO after bug fix - nested index
+
+#
+# linsert
+# Cannot use bigtestRO here because 16GB memory not enough to have two 4G sized lists
+# Have to throw away source list every time. Also means we cannot compare entire lists
+# and instead just compare the affected range
+bigtest linsert-bigdata-1 "linsert" {4294967330 1} -body {
+    # Note insert at multiple of 10 to enable comparison against generated string
+    set ins [split abcdefghij ""]
+    set pat [split 0123456789 ""]
+    set insidx 2000000000
+    set l [linsert [bigList 4294967320] $insidx {*}$ins]
+    list \
+        [llength $l] \
+        [testlutil equal [lrange $l $insidx-10 $insidx+19] [concat $pat $ins $pat]]
+} -cleanup {
+    bigClean
+}
+
+#
+# list and {*}
+bigtestRO list-bigdata-1 {list {*} } {4294967296 0 4294967295} -body {
+    unset -nocomplain l2
+    set l2 [list {*}$l]
+    list [llength $l2] [lindex $l2 0] [lindex $l2 end]
+} -setup {
+    set l [bigList 0x100000000]
+} -cleanup {
+    bigClean
+} -constraints bug-7cddd2845c
+
+#
+# llength
+bigtestRO llength-bigdata-1 {llength} 4294967296 -body {
+    llength $l
+} -setup {
+    set l [bigList 0x100000000]
+} -cleanup {
+    bigClean
+}
+
+#
+# lmap
+bigtestRO lmap-bigdata-1 "lmap" 1 -body {
+    testlutil equal $l [lmap e $l {set e}]
+} -setup {
+    set l [bigList 0x100000000]
+} -cleanup {
+    bigClean
+} -constraints bug-6926a21840
+
+#
+# lrange
+bigtestRO lrange-bigdata-1 "lrange" {6 7 5 {} 5 4 {} 9 {}} -body {
+    list \
+        [lrange $l 0x100000000 0x100000000] \
+        [lrange $l 0x100000000+1 0x100000000+1] \
+        [lrange $l 0x100000000-1 0x100000000-1] \
+        [lrange $l 0x10000000a 0x10000000a] \
+        [lrange $l end end] \
+        [lrange $l end-1 end-1] \
+        [lrange $l end+1 end+1] \
+        [lrange $l end-0x100000000 end-0x100000000] \
+        [lrange $l end-0x10000000a end-0x10000000a]
+} -setup {
+    set l [bigList 0x10000000a]
+} -cleanup {
+    bigClean
+} -constraints bug-dcac54a685
+# TODO - once above bug is fixed, add tests for large result range
+
+#
+# lrepeat - use bigtest, not bigtestRO !!
+bigtest lrepeat-bigdata-1 "lrepeat single element length > UINT_MAX" 4294967296 -body {
+    # Just to test long lengths are accepted as arguments
+    llength [lrepeat 0x100000000 x]
+} -constraints bug-4ce858a049
+
+bigtest lrepeat-bigdata-2 "string repeat multiple char" {4294967296 1} -body {
+    # Make length multiple of 4 AND 10 since the bigString pattern length is 10
+    set len [expr 4294967320/4]
+    set l [lrepeat $len 0 1 2 3 4 5 6 7 8 9]
+    list \
+        [llength $l] \
+        [testlutil equal $l [bigList 4294967320]]
+} -cleanup {
+    bigClean
+} -constraints bug-4ce858a049
+
+#
+# lreplace
+bigtestRO lreplace-bigdata-1 "lreplace - small result" [list \
+                                             [split 789012345 ""] \
+                                             [split 012345678 ""] \
+                                             [split XYZ789012345 ""] \
+                                             [split 012345678XYZ ""] \
+                                            ] -body {
+    # Unset explicitly before setting to save memory as bigtestRO runs the
+    # script below twice.
+    unset -nocomplain result
+    lappend result [lreplace $l 0 0x100000000]
+    lappend result [lreplace $l end-0x100000000 end]
+    lappend result [lreplace $l 0 0x100000000 X Y Z]
+    lappend result [lreplace $l end-0x100000000 end X Y Z]
+} -setup {
+    set l [bigList 0x10000000a]
+} -cleanup {
+    bigClean
+}
+
+bigtest lreplace-bigdata-2 "lreplace - large result" {4294967301 {a b c d e 0 1 2 3 4 5 6}} -body {
+    # Unset explicitly before setting to save memory as bigtestRO runs the
+    # script below twice.
+    unset -nocomplain l2
+    set l2 [lreplace [bigList 4294967296] 4294967290 0 a b c d e]
+    lrange $l2 4294967290 end
+} -setup {
+    #set l [bigList 4294967296]
+} -cleanup {
+    bigClean
+} -constraints bug-outofmemorypanic
+
+#
+# lsearch
+bigtestRO lsearch-bigdata-1 "lsearch" {4294967300 4294967310 -1}  -body {
+    list \
+        [lsearch -exact $l X] \
+        [lsearch -exact -start 4294967291 $l 0] \
+        [lsearch -exact $l Y]
+} -setup {
+    set l [bigList 0x100000010 4294967300]
+} -cleanup {
+    bigClean
+} -constraints bug-a4617c8e90
+
+#
+# lseq
+bigtest lseq-bigdata-1 "lseq" {4294967297 4294967296} -body {
+    list [llength $l] [lindex $l 0x100000000]
+} -setup {
+    set l [lseq 0x100000001]
+} -cleanup {
+    bigClean
+}
+bigtest lseq-bigdata-2 "lseq" {9223372036854775807 9223372036854775799} -body {
+    list [llength $l] [lindex $l 9223372036854775800]
+} -setup {
+    set l [lseq 0x7fffffffffffffff]; llength $l
+} -cleanup {
+    bigClean
+} -constraints bug-fa00fbbbab
+
+#
+# lset
+bigtest lset-bigdata-1 "lset" {4294967297 4294967297 {1 2 3 4 5 X}} -body {
+    # Do NOT initialize l in a -setup block. That requires more memory and fails.
+    set l [bigList 0x100000001]
+    list [llength [lset l 0x100000000 X]] [llength $l] [lrange $l end-5 end]
+} -cleanup {
+    bigClean
+}
+
+#
+# lsort
+bigtestRO lsort-bigdata-1 "lsort" [list 4294967296 [lrepeat 10 0] [lrepeat 10 9]] -body {
+    # Unset explicitly before setting to save memory as bigtestRO runs the
+    # script below twice.
+    unset -nocomplain l2
+    set l2 [lsort $l]
+    list [llength $l2] [lrange $l2 0 9] [lrange $l2 end-9 end]
+} -setup {
+    set l [bigList 0x100000000]
+} -cleanup {
+    bigClean
+} -constraints notenoughmemoryexception
+
+#
+# join
+bigtestRO join-bigdata-1 "join" 1 -body {
+    puts len:[string length [join $l ""]]
+    #string equal [join $l ""] $s
+} -setup {
+    set l [bigList 0x100000000]
+    set s [bigString 0x100000000]
+} -cleanup {
+    bigClean
+} -constraints bug-3c04fcdd1a
+
+bigtest split-bigdata-1 "split" {4294967296 {0 1 2 3 4} {1 2 3 4 5}} -body {
+    # Fill list compare needs too much memory
+    set l [split $s ""]
+    list [llength $l] [lrange 0 4] [lrange end-4 end]
+} -setup {
+    set s [bigString 0x100000000]
+} -cleanup {
+    bigClean
+} -constraints bug-takesTooLong
+
+bigtestRO concat-bigdata-1 "concat" {4294967296 {0 1 2 3 4} {6 7 0 1 2} {3 4 5 6 7}} -body {
+    unset -nocomplain l2
+    set l2 [concat $l $l]
+    list [llength $l2] [lrange $l2 0 4] [lrange $l2 0x80000000-2 0x80000000+2] [lrange $l2 end-4 end]
+} -setup {
+    set l [bigList 0x80000000]
+}
+
+#
+# TODO
+# encoding convertfrom
+# encoding convertto
+# dict *
+
+
+
+# cleanup
+::tcltest::cleanupTests
+return
+
+# Local Variables:
+# mode: tcl
+# fill-column: 78
+# End: