From f7183b361eac28e93e37b226ab5fd1b1166b882c Mon Sep 17 00:00:00 2001
From: "sergey.brester" <sergey.brester>
Date: Tue, 12 Feb 2019 20:37:11 +0000
Subject: few test cases for timerate command

---
 tests/cmdMZ.test | 45 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)

diff --git a/tests/cmdMZ.test b/tests/cmdMZ.test
index 7fe4fda..fcb09df 100644
--- a/tests/cmdMZ.test
+++ b/tests/cmdMZ.test
@@ -347,6 +347,51 @@ test cmdMZ-5.7 {Tcl_TimeObjCmd: errors generate right trace} {
     invoked from within
 "time {error foo}"}}
 
+test cmdMZ-6.1 {Tcl_TimeRateObjCmd: basic format of command} {
+    list [catch {timerate} msg] $msg
+} {1 {wrong # args: should be "timerate ?-direct? ?-calibrate? ?-overhead double? command ?time?"}}
+test cmdMZ-6.2 {Tcl_TimeRateObjCmd: basic format of command} {
+    list [catch {timerate a b c} msg] $msg
+} {1 {wrong # args: should be "timerate ?-direct? ?-calibrate? ?-overhead double? command ?time?"}}
+test cmdMZ-6.3 {Tcl_TimeRateObjCmd: basic format of command} {
+    list [catch {timerate a b} msg] $msg
+} {1 {expected integer but got "b"}}
+test cmdMZ-6.4 {Tcl_TimeRateObjCmd: compile of script happens even with negative iteration counts} {
+    list [catch {timerate "foreach a {c d e} \{" -12456} msg] $msg
+} {1 {missing close-brace}}
+test cmdMZ-6.5 {Tcl_TimeRateObjCmd: result format and one iteration} {
+    regexp {^\d+.\d+ [.]s/# 1 # \d+ #/sec \d+.\d+ nett-ms$} [timerate {} 0]
+} 1
+test cmdMZ-6.6 {Tcl_TimeRateObjCmd: slower commands take longer, but it remains almost the same time of measument} {
+    set m1 [timerate {after 0} 20]
+    set m2 [timerate {after 1} 20]
+    list \
+	[expr {[lindex $m1 0] < [lindex $m2 0]}] \
+	[expr {[lindex $m1 0] < 100}] \
+	[expr {[lindex $m2 0] >= 500}] \
+	[expr {[lindex $m1 2] > 1000}] \
+	[expr {[lindex $m2 2] <= 50}] \
+	[expr {[lindex $m1 4] > 10000}] \
+	[expr {[lindex $m2 4] < 10000}] \
+	[expr {[lindex $m1 6] > 10 && [lindex $m1 6] < 50}] \
+	[expr {[lindex $m2 6] > 10 && [lindex $m2 6] < 50}]
+} [lrepeat 9 1]
+test cmdMZ-6.7 {Tcl_TimeRateObjCmd: errors generate right trace} {
+    list [catch {timerate {error foo} 1} msg] $msg $::errorInfo
+} {1 foo {foo
+    while executing
+"error foo"
+    invoked from within
+"timerate {error foo} 1"}}
+test cmdMZ-6.8 {Tcl_TimeRateObjCmd: allow (conditional) break from timerate} {
+    set m1 [timerate {break}]
+    list \
+	[expr {[lindex $m1 0] < 1000}] \
+	[expr {[lindex $m1 2] == 1}] \
+	[expr {[lindex $m1 4] > 1000}] \
+	[expr {[lindex $m1 6] < 10}]
+} {1 1 1 1}
+
 # The tests for Tcl_WhileObjCmd are in while.test
 
 # cleanup
-- 
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