gdb/testsuite/gdb.testsuite/cond-wrap.exp

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# The purpose of this test-case is to test the cond_wrap proc.

# Proc that temporarily sets global variable a to 6, and executes BODY.
# Note that normally a wrapper needs to guarantee that the restore is executed
# even if executing body throws an error, but we don't need to bother with this
# for this test-case.
proc wrap { body } {
    global a

    # Save a.
    set save_a $a

    set a 6
    uplevel 1 $body

    # Restore a.
    set a $save_a
}

# Set initial value of global variable a.
set a 5

# Verify values of global variable a for cond == 0 and cond == 1.
foreach_with_prefix cond {0 1} {
    cond_wrap $cond wrap {
	gdb_assert {[expr $a - $cond] == 5} "value in conditional wrap"
    }
    gdb_assert {$a == 5} "value after conditional wrap"
}