* gdb.base/dfp-exprs.exp (test_dfp_arithmetic_expressions): Add tests

for expressions with decimal float values.
	(test_dfp_conversions): New function to test casts to and from
	decimal float types.
	Call test_dfp_conversions.
	* gdb.base/dfp-test.c (struct decstruct): Add float4 and double8
	elements.
	(main): Initialize ds.float4 and ds.double8 elements.
	* gdb.base/dfp-test.exp (d32_set_tests): Fix typo.  Adjust expect
	string to new error message.
	(d64_set_tests): Likewise.
	(d128_set_tests): Likewise.
	Add tests for expressions with decimal float variables.  Add tests for
	conversions to and from decimal float types.
This commit is contained in:
Thiago Jung Bauermann 2008-01-07 22:34:49 +00:00
parent 4ef30785ea
commit f6867ce08c
4 changed files with 230 additions and 38 deletions

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@ -1,3 +1,20 @@
2008-01-07 Thiago Jung Bauermann <bauerman@br.ibm.com>
* gdb.base/dfp-exprs.exp (test_dfp_arithmetic_expressions): Add tests
for expressions with decimal float values.
(test_dfp_conversions): New function to test casts to and from
decimal float types.
Call test_dfp_conversions.
* gdb.base/dfp-test.c (struct decstruct): Add float4 and double8
elements.
(main): Initialize ds.float4 and ds.double8 elements.
* gdb.base/dfp-test.exp (d32_set_tests): Fix typo. Adjust expect
string to new error message.
(d64_set_tests): Likewise.
(d128_set_tests): Likewise.
Add tests for expressions with decimal float variables. Add tests for
conversions to and from decimal float types.
2008-01-05 Joel Brobecker <brobecker@adacore.com>
* gdb.ada/packed_tagged/comp_bug.adb: New file.

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@ -74,14 +74,102 @@ proc test_dfp_literals_accepted {} {
proc test_dfp_arithmetic_expressions {} {
# Arithmetic operations for DFP types are not yet implemented in GDB.
# These tests are to verify that they will generate expected error messages.
# _Decimal32 operands.
gdb_test "p 1.4df + 1.2df" " = 2.6"
gdb_test "p 1.4df - 1.2df" " = 0.2"
gdb_test "p 1.4df * 1.2df" " = 1.68"
gdb_test "p 1.4df / 1.2df" " = 1.166667"
gdb_test "p 1.4df + 1.2df" "Argument to arithmetic operation not a number or boolean.*"
gdb_test "p 1.4df - 1.2df" ".*Argument to arithmetic operation not a number or boolean.*"
gdb_test "p 1.4df * 1.2df" "Argument to arithmetic operation not a number or boolean.*"
gdb_test "p 1.4df / 1.2df" "Argument to arithmetic operation not a number or boolean.*"
# _Decimal64 operands.
gdb_test "p 1.4dd + 1.2dd" " = 2.6"
gdb_test "p 1.4dd - 1.2dd" " = 0.2"
gdb_test "p 1.4dd * 1.2dd" " = 1.68"
gdb_test "p 1.4dd / 1.2dd" " = 1.166666666666667"
# _Decimal128 operands.
gdb_test "p 1.4dl + 1.2dl" " = 2.6"
gdb_test "p 1.4dl - 1.2dl" " = 0.2"
gdb_test "p 1.4dl * 1.2dl" " = 1.68"
gdb_test "p 1.4dl / 1.2dl" " = 1.166666666666666666666666666666667"
# Test type of operation result.
gdb_test "ptype 2.df + 2.df" "= _Decimal32"
gdb_test "ptype 2.dd + 2.dd" "= _Decimal64"
gdb_test "ptype 2.dl + 2.dl" "= _Decimal128"
# Mixture of different _Decimal sizes.
gdb_test "p 2.1df + 2.7dd" "= 4.8"
gdb_test "p 2.1dd + 2.7df" "= 4.8"
gdb_test "p 2.6df + 2.7dl" "= 5.3"
gdb_test "p 2.6dl + 2.7df" "= 5.3"
gdb_test "p 2.3dd + 2.2dl" "= 4.5"
gdb_test "p 2.3dl + 2.2dd" "= 4.5"
gdb_test "ptype 2.df + 2.dd" "= _Decimal64"
gdb_test "ptype 2.df + 2.dl" "= _Decimal128"
gdb_test "ptype 2.dd + 2.dl" "= _Decimal128"
# Mixture of Decimal and integral operands
gdb_test "p 1.2df + 1" " = 2.2"
gdb_test "p 2 + 1.7dd" " = 3.7"
gdb_test "p 3 + 2.1dl" " = 5.1"
gdb_test "ptype 1.2df + 1" " = _Decimal32"
gdb_test "ptype 2 + 1.7dd" " = _Decimal64"
gdb_test "ptype 3 + 2.1dl" " = _Decimal128"
# Reject operation with integral larger than 32-bits
gdb_test "p 1.2df + 2ll" "Conversion of large integer to a decimal floating type is not supported."
# Reject operation with DFP and Binary FP
gdb_test "p 1.2df + 1.2f" "Mixing decimal floating types with other floating types is not allowed."
# Test other operations with DFP operands
gdb_test "p !0.df" " = 1"
gdb_test "p !0.dd" " = 1"
gdb_test "p !0.dl" " = 1"
gdb_test "p !0.5df" " = 0"
gdb_test "p !0.5dd" " = 0"
gdb_test "p !0.5dl" " = 0"
gdb_test "p 1.2df == 1.2df" " = 1"
gdb_test "p 1.2df == 1.2dd" " = 1"
gdb_test "p 1.2df == 1.2dl" " = 1"
gdb_test "p 1.2dd == 1.2df" " = 1"
gdb_test "p 1.2dd == 1.2dl" " = 1"
gdb_test "p 1.2dl == 1.2df" " = 1"
gdb_test "p 1.2dl == 1.2dd" " = 1"
gdb_test "p 1.2df == 1.3df" " = 0"
gdb_test "p 1.2df == 1.3dd" " = 0"
gdb_test "p 1.2df == 1.3dl" " = 0"
gdb_test "p 1.2dd == 1.3df" " = 0"
gdb_test "p 1.2dd == 1.3dl" " = 0"
gdb_test "p 1.2dl == 1.3df" " = 0"
gdb_test "p 1.2dl == 1.3dd" " = 0"
gdb_test "p +1.2df" " = 1.2"
gdb_test "p +1.2dd" " = 1.2"
gdb_test "p +1.2dl" " = 1.2"
gdb_test "p 1.2df < 1.3df" " = 1"
gdb_test "p 1.2df < 1.3dd" " = 1"
gdb_test "p 1.2dl < 1.3df" " = 1"
gdb_test "p 1.2dd < 1.3dd" " = 1"
gdb_test "p 1.2dd < 1.3dl" " = 1"
gdb_test "p 1.2dl < 1.3dl" " = 1"
gdb_test "p 1.2dl < 1.3df" " = 1"
gdb_test "p 1.2df > 1" " = 1"
gdb_test "p 1.2dl > 2" " = 0"
gdb_test "p 2 > 1.2dd" " = 1"
gdb_test "p 2 > 3.1dl" " = 0"
}
proc test_dfp_conversions {} {
# Test cast to and from DFP values, and between DFPs of different sizes
gdb_test "p (float) -0.1df" " = -0.(0999.*|1000.*)"
gdb_test "p (int) 8.3dd" " = 8"
gdb_test "p (_Decimal64) 3.1" " = 3.(0999.*|1000.*)"
gdb_test "p (_Decimal128) 3.7df" " = 3.7"
gdb_test "p (_Decimal32) 4" " = 4"
}
# Start with a fresh gdb.
@ -92,3 +180,4 @@ gdb_reinitialize_dir $srcdir/$subdir
test_dfp_literals_accepted
test_dfp_arithmetic_expressions
test_dfp_conversions

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@ -26,6 +26,8 @@ struct decstruct
{
int int4;
long long8;
float float4;
double double8;
_Decimal32 dec32;
_Decimal64 dec64;
_Decimal128 dec128;
@ -85,6 +87,8 @@ int main()
ds.int4 = 1;
ds.long8 = 2;
ds.float4 = 3.1;
ds.double8 = 4.2;
ds.dec32 = 1.2345df;
ds.dec64 = 1.2345dd;
ds.dec128 = 1.2345dl;

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@ -18,6 +18,53 @@
# This file is part of the gdb testsuite. It is intended to test that
# gdb could correctly handle decimal floating point introduced in IEEE 754R.
if $tracelevel then {
strace $tracelevel
}
set testfile "dfp-test"
set srcfile ${testfile}.c
set binfile ${objdir}/${subdir}/${testfile}
# Try to compile the test case. If we can't, assume the
# toolchain does not yet provide DFP support and bail out.
if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {quiet debug}] != "" } {
verbose "Skipping DFP tests."
return -1
}
gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}
if ![runto_main] then {
perror "couldn't run to breakpoint"
continue
}
# Detect the size of the target's basic types (from gdb.base/long_long.exp).
proc get_valueof { fmt exp default } {
global gdb_prompt
send_gdb "print${fmt} ${exp}\n"
gdb_expect {
-re "\\$\[0-9\]* = (\[-\]*\[0-9\]*).*$gdb_prompt $" {
set val $expect_out(1,string)
}
timeout {
set val ${default}
}
}
return ${val}
}
proc get_sizeof { type default } {
return [get_valueof "/d" "sizeof (${type})" $default]
}
set sizeof_long [get_sizeof "long" 4]
proc d32_set_tests {} {
gdb_test "p d32=123.45df" " = 123.45"
@ -43,10 +90,10 @@ proc d32_set_tests {} {
gdb_test "p d32=1.234567E+97df" " = Infinity" "1.234567E+97 is Infinity"
# Test that gdb could detect the errors in the string representation of _Decimal32
gdb_test "p d32=12345.df" " = 12345" "12345. is an valid number"
gdb_test "p d32=12345.df" " = 12345" "12345. is a valid number"
gdb_test "p d32=12345df" ".*Invalid number.*" "12345 is an invalid number"
gdb_test "p d32=1.23Edf" " = NaN" "1.23E is NaN (not a number)"
gdb_test "p d32=1.23E45Adf" " = NaN" "1.23E45A is NaN (not a number)"
gdb_test "p d32=1.23Edf" ".*Conversion syntax.*" "1.23E is an invalid number"
gdb_test "p d32=1.23E45Adf" ".*Conversion syntax.*" "1.23E45A is an invalid number"
}
proc d64_set_tests {} {
@ -75,8 +122,8 @@ proc d64_set_tests {} {
# Test that gdb could detect the errors in the string representation of _Decimal64
gdb_test "p d64=12345dd" ".*Invalid number.*" "12345dd is an invalid number"
gdb_test "p d64=1.23Edd" " = NaN" "1.23E is NaN (not a number)"
gdb_test "p d64=1.23E45Add" "= NaN" "1.23E45A is NaN (not a number)"
gdb_test "p d64=1.23Edd" ".*Conversion syntax.*" "1.23E is an invalid number"
gdb_test "p d64=1.23E45Add" ".*Conversion syntax.*" "1.23E45A is an invalid number"
}
proc d128_set_tests {} {
@ -104,33 +151,8 @@ proc d128_set_tests {} {
# Test that gdb could detect the errors in the string representation of _Decimal128
gdb_test "p d128=12345dl" ".*Invalid number.*" "12345dl is an invalid number"
gdb_test "p d128=1.23Edl" " = NaN" "1.23E is NaN (not a number)"
gdb_test "p d128=1.23E45Adl" "= NaN" "1.23E45A is NaN (not a number)"
}
if $tracelevel {
strace $tracelevel
}
set testfile "dfp-test"
set srcfile ${testfile}.c
set binfile ${objdir}/${subdir}/${testfile}
# Try to compile the test case. If we can't, assume the
# toolchain does not yet provide DFP support and bail out.
if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {quiet debug}] != "" } {
verbose "Skipping DFP tests."
return -1
}
gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}
if ![runto_main] then {
perror "couldn't run to breakpoint"
continue
gdb_test "p d128=1.23Edl" ".*Conversion syntax.*" "1.23E is an invalid number"
gdb_test "p d128=1.23E45Adl" ".*Conversion syntax.*" "1.23E45A is an invalid number"
}
# Different tests on 32-bits decimal floating point, including the printing
@ -237,6 +259,57 @@ gdb_test "print ds.dec32" " = 1.2345"
gdb_test "print ds.dec64" " = 1.2345"
gdb_test "print ds.dec128" " = 1.2345"
# Test expressions with DFP variables.
gdb_test "print d32 + ds.dec32" " = 1.3345"
gdb_test "print d64 + ds.dec64" " = 1.3345"
gdb_test "print d128 + ds.dec128" " = 1.3345"
# Test conversion between different _Decimal sizes.
gdb_test "ptype d64 + ds.dec32" " = volatile _Decimal64"
gdb_test "ptype d128 + ds.dec32" " = volatile _Decimal128"
gdb_test "ptype d128 + ds.dec64" " = volatile _Decimal128"
# Mixture of Decimal and integral operands
gdb_test "p d32 + 1" " = 1.1"
gdb_test "p 2 + d64" " = 2.1"
gdb_test "p ds.int4 + d128" " = 1.1"
gdb_test "ptype d32 + 1" " = volatile _Decimal32"
gdb_test "ptype ds.int4 + d128" " = volatile _Decimal128"
# Test other operations with DFP operands
gdb_test "p !d32" " = 0"
gdb_test "p !d64" " = 0"
gdb_test "p !d128" " = 0"
gdb_test "p +d32" " = 0.1"
gdb_test "p +d64" " = 0.1"
gdb_test "p +d128" " = 0.1"
gdb_test "p d64 == d128" " = 1"
gdb_test "p d128 == ds.dec32" " = 0"
gdb_test "p d128 == d32" " = 1"
gdb_test "p ds.dec32 == ds.dec64" " = 1"
gdb_test "p d32 < ds.dec32" " = 1"
gdb_test "p d64 < ds.dec64" " = 1"
gdb_test "p d128 < ds.dec128" " = 1"
gdb_test "p ds.dec32 < d32" " = 0"
gdb_test "p d64 > ds.dec64" " = 0"
gdb_test "p ds.dec128 > d128 " " = 1"
gdb_test "p d32 < ds.int4" " = 1"
gdb_test "p ds.int4 > d32" " = 1"
gdb_test "p ds.dec32 < ds.int4" " = 0"
gdb_test "p ds.int4 > ds.dec64" " = 0"
gdb_test "p ds.dec128 > ds.int4" " = 1"
# Reject operation with integral larger than 32-bits
if { ${sizeof_long} > 4 } {
gdb_test "p d32 + ds.long8" "Conversion of large integer to a decimal floating type is not supported."
}
# Reject operation with DFP and Binary FP
gdb_test "p d64 + ds.float4" "Mixing decimal floating types with other floating types is not allowed."
gdb_test "p ds.double8 + d128" "Mixing decimal floating types with other floating types is not allowed."
# The following tests are intended to verify that gdb can handle "d1=d2"
# and "d1=-d2" correctly.
@ -246,3 +319,12 @@ gdb_test "print ds.dec128=d128" " = 0.1"
gdb_test "print ds.dec32 = -d32" " = -0.1"
gdb_test "print ds.dec64 = -d64" " = -0.1"
gdb_test "print ds.dec128 = -d128" " = -0.1"
# Test cast to and from DFP values
gdb_test "print ds.double8 = ds.dec64" " = -0.(0999.*|1000.*)"
gdb_test "print ds.dec64 = ds.float4" " = 3.(0999.*|1000.*)"
gdb_test "print ds.dec128 = -ds.double8" " = 0.(0999.*|1000.*)"
gdb_test "print ds.dec128 = ds.dec32" " = -0.1"
gdb_test "print ds.dec32 = ds.int4" " = 1"
gdb_test "print ds.int4 = 7.3dl" " = 7"