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| author | dim <dim@FreeBSD.org> | 2016-01-06 20:12:03 +0000 |
|---|---|---|
| committer | dim <dim@FreeBSD.org> | 2016-01-06 20:12:03 +0000 |
| commit | 78b9749c0a4ea980a8b934645da6ae98fcc665e8 (patch) | |
| tree | dd2a1ddf0476664c2b823409c36cbccd52662ca7 /packages/Python/lldbsuite/test/benchmarks/expression/TestExpressionCmd.py | |
| parent | 60cb593f9d55fa5ca7a5372b731f2330345b4b9a (diff) | |
| download | FreeBSD-src-78b9749c0a4ea980a8b934645da6ae98fcc665e8.zip FreeBSD-src-78b9749c0a4ea980a8b934645da6ae98fcc665e8.tar.gz | |
Vendor import of lldb trunk r256945:
https://llvm.org/svn/llvm-project/lldb/trunk@256945
Diffstat (limited to 'packages/Python/lldbsuite/test/benchmarks/expression/TestExpressionCmd.py')
| -rw-r--r-- | packages/Python/lldbsuite/test/benchmarks/expression/TestExpressionCmd.py | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/packages/Python/lldbsuite/test/benchmarks/expression/TestExpressionCmd.py b/packages/Python/lldbsuite/test/benchmarks/expression/TestExpressionCmd.py new file mode 100644 index 0000000..abf4514 --- /dev/null +++ b/packages/Python/lldbsuite/test/benchmarks/expression/TestExpressionCmd.py @@ -0,0 +1,72 @@ +"""Test lldb's expression evaluations and collect statistics.""" + +from __future__ import print_function + + + +import os, sys +import lldb +from lldbsuite.test import configuration +from lldbsuite.test.lldbbench import * + +class ExpressionEvaluationCase(BenchBase): + + mydir = TestBase.compute_mydir(__file__) + + def setUp(self): + BenchBase.setUp(self) + self.source = 'main.cpp' + self.line_to_break = line_number(self.source, '// Set breakpoint here.') + self.count = 25 + + @benchmarks_test + @expectedFailureWindows("llvm.org/pr22274: need a pexpect replacement for windows") + def test_expr_cmd(self): + """Test lldb's expression commands and collect statistics.""" + self.build() + self.exe_name = 'a.out' + + print() + self.run_lldb_repeated_exprs(self.exe_name, self.count) + print("lldb expr cmd benchmark:", self.stopwatch) + + def run_lldb_repeated_exprs(self, exe_name, count): + import pexpect + exe = os.path.join(os.getcwd(), exe_name) + + # Set self.child_prompt, which is "(lldb) ". + self.child_prompt = '(lldb) ' + prompt = self.child_prompt + + # Reset the stopwatch now. + self.stopwatch.reset() + for i in range(count): + # So that the child gets torn down after the test. + self.child = pexpect.spawn('%s %s %s' % (lldbtest_config.lldbExec, self.lldbOption, exe)) + child = self.child + + # Turn on logging for what the child sends back. + if self.TraceOn(): + child.logfile_read = sys.stdout + + child.expect_exact(prompt) + child.sendline('breakpoint set -f %s -l %d' % (self.source, self.line_to_break)) + child.expect_exact(prompt) + child.sendline('run') + child.expect_exact(prompt) + expr_cmd1 = 'expr ptr[j]->point.x' + expr_cmd2 = 'expr ptr[j]->point.y' + + with self.stopwatch: + child.sendline(expr_cmd1) + child.expect_exact(prompt) + child.sendline(expr_cmd2) + child.expect_exact(prompt) + + child.sendline('quit') + try: + self.child.expect(pexpect.EOF) + except: + pass + + self.child = None |
