OpenE2K/binutils-gdb
12
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Add tests for gdb.Value(bufobj, type) constructor

Browse Source 
gdb/testsuite/ChangeLog:

	* gdb.python/py-value.exp (test_value_from_buffer): New proc with
	call from main program.
This commit is contained in:
Kevin Buettner 2019-02-16 18:07:51 -07:00
parent fe07eca59d
commit bc2a507e6e
2 changed files with 50 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
gdb/testsuite/ChangeLog
View File

@ -1,3 +1,8 @@
2019-02-26 Kevin Buettner <kevinb@redhat.com>
* gdb.python/py-value.exp (test_value_from_buffer): New proc with
call from main program.
2019-02-23 Joel Brobecker <brobecker@adacore.com>
* gdb.ada/mi_ref_changeable.exp: Update copyright year range.

45
gdb/testsuite/gdb.python/py-value.exp
View File

@ -510,6 +510,50 @@ proc test_float_conversion {} {
gdb_test "python print(float(gdb.Value(0)))" "0\\.0"
}
proc test_value_from_buffer {} {
global gdb_prompt
global gdb_py_is_py3k
gdb_py_test_silent_cmd "python tp=gdb.lookup_type('int')" "look up int type" 0
gdb_py_test_silent_cmd "python size_a=gdb.parse_and_eval('sizeof(a)')" \
"find size of a" 0
gdb_py_test_silent_cmd "python size_a0=gdb.parse_and_eval('sizeof(a\[0\])')" \
"find size of element of a" 0
gdb_py_test_silent_cmd "python addr=gdb.parse_and_eval('&a')" \
"find address of a" 0
gdb_py_test_silent_cmd "python b=gdb.selected_inferior().read_memory(addr,size_a)" \
"read buffer from memory" 1
gdb_test "python v=gdb.Value(b,tp); print(v)" "1" \
"construct value from buffer"
gdb_test "python v=gdb.Value(b\[size_a0:\],tp); print(v)" "2" \
"convert 2nd elem of buffer to value"
gdb_test "python v=gdb.Value(b\[2*size_a0:\],tp); print(v)" "3" \
"convert 3rd elem of buffer to value"
gdb_test "python v=gdb.Value(b\[2*size_a0+1:\],tp); print(v)" \
"TypeError: Size of type is larger than that of buffer object\..*" \
"attempt to convert smaller buffer than size of type"
gdb_py_test_silent_cmd "python atp=tp.array(2) ; print(atp)" \
"make array type" 0
gdb_py_test_silent_cmd "python va=gdb.Value(b,atp)" \
"construct array value from buffer" 0
gdb_test "python print(va)" "\\{1, 2, 3\\}" "print array value"
gdb_test "python print(va\[0\])" "1" "print first array element"
gdb_test "python print(va\[1\])" "2" "print second array element"
gdb_test "python print(va\[2\])" "3" "print third array element"
gdb_test "python print(va\[3\])" "gdb\.error: no such vector element.*" \
"print out of bounds array element"
gdb_py_test_silent_cmd "python atpbig=tp.array(3)" "make bigger array type" 0
gdb_test "python vabig=gdb.Value(b,atpbig)" \
"ValueError: Size of type is larger than that of buffer object\..*" \
"attempt to construct large value with small buffer"
gdb_test "python v=gdb.Value(2048,tp)" \
"TypeError: Object must support the python buffer protocol\..*" \
"attempt to construct value from buffer with non-buffer object"
gdb_test "python v=gdb.Value(b,'int'); print(v)" \
"TypeError: type argument must be a gdb\.Type\..*" \
"attempt to construct value with string as type"
}
# Build C version of executable. C++ is built later.
if { [build_inferior "${binfile}" "c"] < 0 } {
return -1
@ -538,6 +582,7 @@ if ![runto_main] then {
}
test_value_in_inferior
test_value_from_buffer
test_inferior_function_call
test_value_after_death