1 | # Commands covered: (test)thread |
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2 | # |
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3 | # This file contains a collection of tests for one or more of the Tcl |
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4 | # built-in commands. Sourcing this file into Tcl runs the tests and |
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5 | # generates output for errors. No output means no errors were found. |
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6 | # |
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7 | # Copyright (c) 1996 Sun Microsystems, Inc. |
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8 | # Copyright (c) 1998-1999 by Scriptics Corporation. |
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9 | # |
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10 | # See the file "license.terms" for information on usage and redistribution |
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11 | # of this file, and for a DISCLAIMER OF ALL WARRANTIES. |
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12 | # |
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13 | # RCS: @(#) $Id: thread.test,v 1.18 2007/12/13 15:26:07 dgp Exp $ |
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14 | |
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15 | if {[lsearch [namespace children] ::tcltest] == -1} { |
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16 | package require tcltest |
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17 | namespace import -force ::tcltest::* |
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18 | } |
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19 | |
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20 | # Some tests require the testthread command |
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21 | |
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22 | testConstraint testthread [expr {[info commands testthread] != {}}] |
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23 | |
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24 | if {[testConstraint testthread]} { |
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25 | testthread errorproc ThreadError |
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26 | |
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27 | proc ThreadError {id info} { |
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28 | global threadError |
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29 | set threadError $info |
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30 | } |
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31 | |
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32 | proc ThreadNullError {id info} { |
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33 | # ignore |
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34 | } |
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35 | } |
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36 | |
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37 | |
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38 | test thread-1.1 {Tcl_ThreadObjCmd: no args} {testthread} { |
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39 | list [catch {testthread} msg] $msg |
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40 | } {1 {wrong # args: should be "testthread option ?args?"}} |
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41 | test thread-1.2 {Tcl_ThreadObjCmd: bad option} {testthread} { |
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42 | list [catch {testthread foo} msg] $msg |
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43 | } {1 {bad option "foo": must be create, exit, id, join, names, send, wait, or errorproc}} |
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44 | test thread-1.3 {Tcl_ThreadObjCmd: initial thread list} {testthread} { |
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45 | list [threadReap] [llength [testthread names]] |
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46 | } {1 1} |
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47 | test thread-1.4 {Tcl_ThreadObjCmd: thread create } {testthread} { |
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48 | threadReap |
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49 | set serverthread [testthread create] |
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50 | update |
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51 | set numthreads [llength [testthread names]] |
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52 | threadReap |
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53 | set numthreads |
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54 | } {2} |
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55 | test thread-1.5 {Tcl_ThreadObjCmd: thread create one shot} {testthread} { |
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56 | threadReap |
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57 | testthread create {set x 5} |
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58 | foreach try {0 1 2 4 5 6} { |
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59 | # Try various ways to yield |
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60 | update |
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61 | after 10 |
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62 | set l [llength [testthread names]] |
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63 | if {$l == 1} { |
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64 | break |
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65 | } |
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66 | } |
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67 | threadReap |
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68 | set l |
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69 | } {1} |
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70 | test thread-1.6 {Tcl_ThreadObjCmd: thread exit} {testthread} { |
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71 | threadReap |
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72 | testthread create {testthread exit} |
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73 | update |
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74 | after 10 |
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75 | set result [llength [testthread names]] |
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76 | threadReap |
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77 | set result |
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78 | } {1} |
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79 | test thread-1.7 {Tcl_ThreadObjCmd: thread id args} {testthread} { |
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80 | set x [catch {testthread id x} msg] |
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81 | list $x $msg |
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82 | } {1 {wrong # args: should be "testthread id"}} |
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83 | test thread-1.8 {Tcl_ThreadObjCmd: thread id} {testthread} { |
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84 | string compare [testthread id] $::tcltest::mainThread |
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85 | } {0} |
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86 | test thread-1.9 {Tcl_ThreadObjCmd: thread names args} {testthread} { |
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87 | set x [catch {testthread names x} msg] |
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88 | list $x $msg |
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89 | } {1 {wrong # args: should be "testthread names"}} |
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90 | test thread-1.10 {Tcl_ThreadObjCmd: thread id} {testthread} { |
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91 | string compare [testthread names] $::tcltest::mainThread |
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92 | } {0} |
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93 | test thread-1.11 {Tcl_ThreadObjCmd: send args} {testthread} { |
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94 | set x [catch {testthread send} msg] |
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95 | list $x $msg |
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96 | } {1 {wrong # args: should be "testthread send ?-async? id script"}} |
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97 | test thread-1.12 {Tcl_ThreadObjCmd: send nonint} {testthread} { |
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98 | set x [catch {testthread send abc command} msg] |
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99 | list $x $msg |
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100 | } {1 {expected integer but got "abc"}} |
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101 | test thread-1.13 {Tcl_ThreadObjCmd: send args} {testthread} { |
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102 | threadReap |
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103 | set serverthread [testthread create] |
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104 | set five [testthread send $serverthread {set x 5}] |
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105 | threadReap |
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106 | set five |
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107 | } 5 |
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108 | test thread-1.14 {Tcl_ThreadObjCmd: send bad id} {testthread} { |
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109 | set tid [expr $::tcltest::mainThread + 10] |
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110 | set x [catch {testthread send $tid {set x 5}} msg] |
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111 | list $x $msg |
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112 | } {1 {invalid thread id}} |
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113 | test thread-1.15 {Tcl_ThreadObjCmd: wait} {testthread} { |
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114 | threadReap |
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115 | set serverthread [testthread create {set z 5 ; testthread wait}] |
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116 | set five [testthread send $serverthread {set z}] |
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117 | threadReap |
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118 | set five |
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119 | } 5 |
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120 | test thread-1.16 {Tcl_ThreadObjCmd: errorproc args} {testthread} { |
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121 | set x [catch {testthread errorproc foo bar} msg] |
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122 | list $x $msg |
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123 | } {1 {wrong # args: should be "testthread errorproc proc"}} |
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124 | test thread-1.17 {Tcl_ThreadObjCmd: errorproc change} {testthread} { |
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125 | testthread errorproc foo |
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126 | testthread errorproc ThreadError |
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127 | } {} |
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128 | |
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129 | # The tests above also cover: |
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130 | # TclCreateThread, except when pthread_create fails |
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131 | # NewThread, safe and regular |
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132 | # ThreadErrorProc, except for printing to standard error |
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133 | |
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134 | test thread-2.1 {ListUpdateInner and ListRemove} {testthread} { |
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135 | threadReap |
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136 | catch {unset tid} |
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137 | foreach t {0 1 2} { |
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138 | upvar #0 t$t tid |
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139 | set tid [testthread create] |
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140 | } |
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141 | threadReap |
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142 | } 1 |
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143 | |
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144 | test thread-3.1 {TclThreadList} {testthread} { |
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145 | threadReap |
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146 | catch {unset tid} |
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147 | set len [llength [testthread names]] |
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148 | set l1 {} |
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149 | foreach t {0 1 2} { |
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150 | lappend l1 [testthread create] |
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151 | } |
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152 | set l2 [testthread names] |
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153 | list $l1 $l2 |
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154 | set c [string compare \ |
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155 | [lsort -integer [concat $::tcltest::mainThread $l1]] \ |
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156 | [lsort -integer $l2]] |
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157 | threadReap |
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158 | list $len $c |
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159 | } {1 0} |
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160 | |
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161 | test thread-4.1 {TclThreadSend to self} {testthread} { |
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162 | catch {unset x} |
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163 | testthread send [testthread id] { |
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164 | set x 4 |
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165 | } |
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166 | set x |
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167 | } {4} |
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168 | test thread-4.2 {TclThreadSend -async} {testthread} { |
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169 | threadReap |
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170 | set len [llength [testthread names]] |
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171 | set serverthread [testthread create] |
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172 | testthread send -async $serverthread { |
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173 | after 1000 |
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174 | testthread exit |
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175 | } |
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176 | set two [llength [testthread names]] |
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177 | after 1500 {set done 1} |
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178 | vwait done |
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179 | threadReap |
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180 | list $len [llength [testthread names]] $two |
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181 | } {1 1 2} |
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182 | test thread-4.3 {TclThreadSend preserve errorInfo} {testthread} { |
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183 | threadReap |
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184 | set len [llength [testthread names]] |
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185 | set serverthread [testthread create] |
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186 | set x [catch {testthread send $serverthread {set undef}} msg] |
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187 | threadReap |
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188 | list $len $x $msg $::errorInfo |
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189 | } {1 1 {can't read "undef": no such variable} {can't read "undef": no such variable |
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190 | while executing |
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191 | "set undef" |
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192 | invoked from within |
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193 | "testthread send $serverthread {set undef}"}} |
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194 | test thread-4.4 {TclThreadSend preserve code} {testthread} { |
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195 | threadReap |
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196 | set len [llength [testthread names]] |
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197 | set serverthread [testthread create] |
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198 | set ::errorInfo {} |
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199 | set x [catch {testthread send $serverthread {set ::errorInfo {}; break}} msg] |
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200 | threadReap |
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201 | list $len $x $msg $::errorInfo |
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202 | } {1 3 {} {}} |
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203 | test thread-4.5 {TclThreadSend preserve errorCode} {testthread} { |
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204 | threadReap |
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205 | set ::tcltest::mainThread [testthread names] |
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206 | set serverthread [testthread create] |
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207 | set x [catch {testthread send $serverthread {error ERR INFO CODE}} msg] |
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208 | threadReap |
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209 | list $x $msg $::errorCode |
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210 | } {1 ERR CODE} |
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211 | |
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212 | |
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213 | test thread-5.0 {Joining threads} {testthread} { |
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214 | threadReap |
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215 | set serverthread [testthread create -joinable] |
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216 | testthread send -async $serverthread {after 1000 ; testthread exit} |
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217 | set res [testthread join $serverthread] |
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218 | threadReap |
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219 | set res |
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220 | } {0} |
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221 | test thread-5.1 {Joining threads after the fact} {testthread} { |
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222 | threadReap |
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223 | set serverthread [testthread create -joinable] |
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224 | testthread send -async $serverthread {testthread exit} |
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225 | after 2000 |
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226 | set res [testthread join $serverthread] |
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227 | threadReap |
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228 | set res |
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229 | } {0} |
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230 | test thread-5.2 {Try to join a detached thread} {testthread} { |
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231 | threadReap |
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232 | set serverthread [testthread create] |
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233 | testthread send -async $serverthread {after 1000 ; testthread exit} |
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234 | catch {set res [testthread join $serverthread]} msg |
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235 | threadReap |
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236 | lrange $msg 0 2 |
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237 | } {cannot join thread} |
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238 | |
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239 | test thread-6.1 {freeing very large object trees in a thread} testthread { |
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240 | # conceptual duplicate of obj-32.1 |
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241 | threadReap |
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242 | set serverthread [testthread create -joinable] |
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243 | testthread send -async $serverthread { |
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244 | set x {} |
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245 | for {set i 0} {$i<100000} {incr i} { |
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246 | set x [list $x {}] |
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247 | } |
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248 | unset x |
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249 | testthread exit |
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250 | } |
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251 | catch {set res [testthread join $serverthread]} msg |
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252 | threadReap |
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253 | set res |
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254 | } {0} |
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255 | |
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256 | # cleanup |
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257 | ::tcltest::cleanupTests |
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258 | return |
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