/thirdparty/breakpad/third_party/glog/src/demangle_unittest.sh

 1#! /bin/sh
 2#
 3# Copyright (c) 2006, Google Inc.
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31#
32# Author: Satoru Takabayashi
33#
34# Unit tests for demangle.c with a real binary.
35
36set -e
37
38die () {
39    echo $1
40    exit 1
41}
42
43BINDIR=".libs"
44LIBGLOG="$BINDIR/libglog.so"
45
46DEMANGLER="$BINDIR/demangle_unittest"
47
48if test -e "$DEMANGLER"; then
49  # We need shared object.
50  export LD_LIBRARY_PATH=$BINDIR
51  export DYLD_LIBRARY_PATH=$BINDIR
52else
53  # For windows
54  DEMANGLER="./demangle_unittest.exe"
55  if ! test -e "$DEMANGLER"; then
56    echo "We coundn't find demangle_unittest binary."
57    exit 1
58  fi
59fi
60
61# Extract C++ mangled symbols from libbase.so.
62NM_OUTPUT="demangle.nm"
63nm "$LIBGLOG" | perl -nle 'print $1 if /\s(_Z\S+$)/' > "$NM_OUTPUT"
64
65# Check if mangled symbols exist. If there are none, we quit.
66# The binary is more likely compiled with GCC 2.95 or something old.
67if ! grep --quiet '^_Z' "$NM_OUTPUT"; then
68    echo "PASS"
69    exit 0
70fi
71
72# Demangle the symbols using our demangler.
73DM_OUTPUT="demangle.dm"
74GLOG_demangle_filter=1 "$DEMANGLER" --demangle_filter < "$NM_OUTPUT" > "$DM_OUTPUT"
75
76# Calculate the numbers of lines.
77NM_LINES=`wc -l "$NM_OUTPUT" | awk '{ print $1 }'`
78DM_LINES=`wc -l "$DM_OUTPUT" | awk '{ print $1 }'`
79
80# Compare the numbers of lines.  They must be the same.
81if test "$NM_LINES" != "$DM_LINES"; then
82    die "$NM_OUTPUT and $DM_OUTPUT don't have the same numbers of lines"
83fi
84
85# Check if mangled symbols exist.  They must not exist.
86if grep --quiet '^_Z' "$DM_OUTPUT"; then
87    MANGLED=`grep '^_Z' "$DM_OUTPUT" | wc -l | awk '{ print \$1 }'`
88    echo "Mangled symbols ($MANGLED out of $NM_LINES) found in $DM_OUTPUT:"
89    grep '^_Z' "$DM_OUTPUT"
90    die "Mangled symbols ($MANGLED out of $NM_LINES) found in $DM_OUTPUT"
91fi
92
93# All C++ symbols are demangled successfully.
94echo "PASS"
95exit 0