# Commands covered:  trace
#
# This file contains a collection of tests for one or more of the Tcl
# built-in commands.  Sourcing this file into Tcl runs the tests and
# generates output for errors.  No output means no errors were found.
#
# Copyright (c) 1991-1993 The Regents of the University of California.
# Copyright (c) 1994 Sun Microsystems, Inc.
# Copyright (c) 1998-1999 by Scriptics Corporation.
#
# See the file "license.terms" for information on usage and redistribution
# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
#
# RCS: @(#) $Id: trace.test,v 1.28.2.18 2007/09/07 03:15:21 dgp Exp $
# RCS: @(#) $Id: trace.test,v 1.28.2.19 2007/12/06 06:51:44 dgp Exp $

if {[lsearch [namespace children] ::tcltest] == -1} {
    package require tcltest
    namespace import -force ::tcltest::*
}

testConstraint testcmdtrace [llength [info commands testcmdtrace]]

} {1 {wrong # args: should be "trace remove execution name opList command"}}

test trace-29.1 {Tcl_CreateTrace, correct command and argc/argv arguments of trace proc} {testcmdtrace} {
    testcmdtrace tracetest {set stuff [expr 14 + 16]}
} {{expr 14 + 16} {expr 14 + 16} {set stuff [expr 14 + 16]} {set stuff 30}}
test trace-29.2 {Tcl_CreateTrace, correct command and argc/argv arguments of trace proc} {testcmdtrace} {
    testcmdtrace tracetest {set stuff [info tclversion]}
} [concat {{info tclversion} {info tclversion} ::tcl::Info_tclversion {::tcl::Info_tclversion} {set stuff [info tclversion]}} [list "set stuff [info tclversion]"]]
} [concat {{info tclversion} {info tclversion} ::tcl::info::tclversion {::tcl::info::tclversion} {set stuff [info tclversion]}} [list "set stuff [info tclversion]"]]
test trace-29.3 {Tcl_CreateTrace, correct command and argc/argv arguments of trace proc} {testcmdtrace} {
    testcmdtrace deletetest {set stuff [info tclversion]}
} [info tclversion]
test trace-29.4 {Tcl_CreateTrace, check that tracing doesn't cause memory faults} {testcmdtrace} {
    # Note that the proc call is the same as the variable name, and that
    # the call can be direct or indirect by way of another procedure
    proc tracer {args} {}