diff options
Diffstat (limited to 'tests/expr-old.test')
| -rw-r--r-- | tests/expr-old.test | 44 |
1 files changed, 43 insertions, 1 deletions
diff --git a/tests/expr-old.test b/tests/expr-old.test index c346169..c7748e4 100644 --- a/tests/expr-old.test +++ b/tests/expr-old.test @@ -13,7 +13,7 @@ # See the file "license.terms" for information on usage and redistribution # of this file, and for a DISCLAIMER OF ALL WARRANTIES. # -# RCS: @(#) $Id: expr-old.test,v 1.22.2.10 2005/08/18 02:09:01 dgp Exp $ +# RCS: @(#) $Id: expr-old.test,v 1.22.2.11 2005/10/08 13:44:38 dgp Exp $ if {[lsearch [namespace children] ::tcltest] == -1} { package require tcltest 2.1 @@ -1149,6 +1149,48 @@ test expr-old-39.1 {Rounding with wide result} { } {1 1} unset -nocomplain x y +# +# TIP #255 min and max math functions +# + +test expr-old-40.1 {min math function} -body { + expr {min(0)} +} -result 0 +test expr-old-40.2 {min math function} -body { + expr {min(0.0)} +} -result 0.0 +test expr-old-40.3 {min math function} -body { + list [catch {expr {min()}} msg] $msg +} -result {1 {too few arguments to math function "min"}} +test expr-old-40.4 {min math function} -body { + expr {min(wide(-1) << 30, 4.5, -10)} +} -result [expr {wide(-1) << 30}] +test expr-old-40.5 {min math function} -body { + list [catch {expr {min("a", 0)}} msg] $msg +} -result {1 {argument to math function didn't have numeric value}} +test expr-old-40.6 {min math function} -body { + expr {min(300, "0xFF")} +} -result 255 + +test expr-old-41.1 {max math function} -body { + expr {max(0)} +} -result 0 +test expr-old-41.2 {max math function} -body { + expr {max(0.0)} +} -result 0.0 +test expr-old-41.3 {max math function} -body { + list [catch {expr {max()}} msg] $msg +} -result {1 {too few arguments to math function "max"}} +test expr-old-41.4 {max math function} -body { + expr {max(wide(1) << 30, 4.5, -10)} +} -result [expr {wide(1) << 30}] +test expr-old-41.5 {max math function} -body { + list [catch {expr {max("a", 0)}} msg] $msg +} -result {1 {argument to math function didn't have numeric value}} +test expr-old-41.6 {max math function} -body { + expr {max(200, "0xFF")} +} -result 255 + # Special test for Pentium arithmetic bug of 1994: if {(4195835.0 - (4195835.0/3145727.0)*3145727.0) == 256.0} { |