From e433c571581eae56161e5c4dc8dcae36e31d8039 Mon Sep 17 00:00:00 2001 From: "jan.nijtmans" Date: Fri, 21 Jan 2022 08:43:13 +0000 Subject: Add test-cases for Tcl_GetIntForIndex(). This reveals a minor bug --- generic/tclTest.c | 29 +++++++++++++++++++++++++++++ generic/tclUtil.c | 7 ++----- tests/indexObj.test | 47 +++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 78 insertions(+), 5 deletions(-) diff --git a/generic/tclTest.c b/generic/tclTest.c index 7ec3c41..95ef5b7 100644 --- a/generic/tclTest.c +++ b/generic/tclTest.c @@ -327,6 +327,7 @@ static Tcl_ObjCmdProc TestNumUtfCharsCmd; static Tcl_ObjCmdProc TestFindFirstCmd; static Tcl_ObjCmdProc TestFindLastCmd; static Tcl_ObjCmdProc TestHashSystemHashCmd; +static Tcl_ObjCmdProc TestGetIntForIndexCmd; static Tcl_NRPostProc NREUnwind_callback; static Tcl_ObjCmdProc TestNREUnwind; @@ -598,6 +599,8 @@ Tcltest_Init( TestFindFirstCmd, NULL, NULL); Tcl_CreateObjCommand(interp, "testfindlast", TestFindLastCmd, NULL, NULL); + Tcl_CreateObjCommand(interp, "testgetintforindex", + TestGetIntForIndexCmd, NULL, NULL); Tcl_CreateCommand(interp, "testsetplatform", TestsetplatformCmd, NULL, NULL); Tcl_CreateCommand(interp, "testsocket", TestSocketCmd, @@ -7036,6 +7039,32 @@ TestFindLastCmd( return TCL_OK; } +static int +TestGetIntForIndexCmd( + TCL_UNUSED(void *), + Tcl_Interp *interp, + int objc, + Tcl_Obj *const objv[]) +{ + int result, endvalue; + + if (objc != 3) { + Tcl_WrongNumArgs(interp, 1, objv, "index endvalue"); + return TCL_ERROR; + } + + if (Tcl_GetIntFromObj(interp, objv[2], &endvalue) != TCL_OK) { + return TCL_ERROR; + } + if (Tcl_GetIntForIndex(interp, objv[1], endvalue, &result) != TCL_OK) { + return TCL_ERROR; + } + Tcl_SetObjResult(interp, Tcl_NewIntObj(result)); + return TCL_OK; +} + + + #if defined(HAVE_CPUID) || defined(_WIN32) /* *---------------------------------------------------------------------- diff --git a/generic/tclUtil.c b/generic/tclUtil.c index 86b6369..10153fb 100644 --- a/generic/tclUtil.c +++ b/generic/tclUtil.c @@ -3647,15 +3647,12 @@ GetWideForIndex( if (numType == TCL_NUMBER_INT) { /* objPtr holds an integer in the signed wide range */ *widePtr = *(Tcl_WideInt *)cd; - if (*widePtr < -1) { - *widePtr = -1; - } return TCL_OK; } if (numType == TCL_NUMBER_BIG) { /* objPtr holds an integer outside the signed wide range */ /* Truncate to the signed wide range. */ - *widePtr = ((mp_isneg((mp_int *)cd)) ? -1 : WIDE_MAX); + *widePtr = ((mp_isneg((mp_int *)cd)) ? WIDE_MIN : WIDE_MAX); return TCL_OK; } } @@ -3706,7 +3703,7 @@ Tcl_GetIntForIndex( return TCL_ERROR; } if (indexPtr != NULL) { - if ((wide < 0) && (endValue > TCL_INDEX_END)) { + if ((wide < 0) && (endValue >= 0)) { *indexPtr = -1; } else if (wide > INT_MAX) { *indexPtr = INT_MAX; diff --git a/tests/indexObj.test b/tests/indexObj.test index 40418b3..9fd31b4 100644 --- a/tests/indexObj.test +++ b/tests/indexObj.test @@ -17,6 +17,7 @@ if {"::tcltest" ni [namespace children]} { catch [list package require -exact tcl::test [info patchlevel]] testConstraint testindexobj [llength [info commands testindexobj]] +testConstraint testgetintforindex [llength [info commands testgetintforindex]] testConstraint testparseargs [llength [info commands testparseargs]] test indexObj-1.1 {exact match} testindexobj { @@ -165,6 +166,52 @@ test indexObj-7.7 {Tcl_ParseArgsObjv memory management} testparseargs { testparseargs 1 2 3 4 5 6 7 8 9 0 -bool 1 2 3 4 5 6 7 8 9 0 } {1 21 {testparseargs 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0}} +test indexObj-8.1 {Tcl_GetIntForIndex integer} testgetintforindex { + testgetintforindex 0 0 +} 0 +test indexObj-8.2 {Tcl_GetIntForIndex integer} testgetintforindex { + testgetintforindex -1 0 +} -1 +test indexObj-8.3 {Tcl_GetIntForIndex integer} testgetintforindex { + testgetintforindex -2 0 +} -1 +test indexObj-8.4 {Tcl_GetIntForIndex INT_MAX} testgetintforindex { + testgetintforindex 2147483647 0 +} 2147483647 +test indexObj-8.5 {Tcl_GetIntForIndex INT_MAX+1} testgetintforindex { + testgetintforindex 2147483648 0 +} 2147483647 +test indexObj-8.6 {Tcl_GetIntForIndex end-1} testgetintforindex { + testgetintforindex end-1 2147483646 +} 2147483645 +test indexObj-8.7 {Tcl_GetIntForIndex end-1} testgetintforindex { + testgetintforindex end-1 2147483647 +} 2147483646 +test indexObj-8.8 {Tcl_GetIntForIndex end} testgetintforindex { + testgetintforindex end 2147483646 +} 2147483646 +test indexObj-8.9 {Tcl_GetIntForIndex end} testgetintforindex { + testgetintforindex end 2147483647 +} 2147483647 +test indexObj-8.10 {Tcl_GetIntForIndex end-1} testgetintforindex { + testgetintforindex end-1 -1 +} -2 +test indexObj-8.11 {Tcl_GetIntForIndex end-1} testgetintforindex { + testgetintforindex end-1 -2 +} -3 +test indexObj-8.12 {Tcl_GetIntForIndex end} testgetintforindex { + testgetintforindex end -1 +} -1 +test indexObj-8.13 {Tcl_GetIntForIndex end} testgetintforindex { + testgetintforindex end -2 +} -2 +test indexObj-8.14 {Tcl_GetIntForIndex end+1} testgetintforindex { + testgetintforindex end+1 -1 +} 0 +test indexObj-8.15 {Tcl_GetIntForIndex end+1} testgetintforindex { + testgetintforindex end+1 -2 +} -1 + # cleanup ::tcltest::cleanupTests return -- cgit v0.12