1from lldbsuite.test.decorators import * 2from lldbsuite.test.lldbpexpect import PExpectTest 3from lldbsuite.test.lldbtest import * 4 5 6class TestCase(PExpectTest): 7 def expect_repl(self, expr, substrs=[]): 8 """Evaluates the expression in the REPL and verifies that the list 9 of substrs is in the REPL output.""" 10 # Only single line expressions supported. 11 self.assertNotIn("\n", expr) 12 self.child.send(expr + "\n") 13 for substr in substrs: 14 self.child.expect_exact(substr) 15 # Look for the start of the next REPL input line. 16 self.current_repl_line_number += 1 17 self.child.expect_exact(str(self.current_repl_line_number) + ">") 18 19 def start_repl(self): 20 self.build() 21 self.current_repl_line_number = 1 22 23 self.launch(executable=self.getBuildArtifact("a.out"), dimensions=(100, 500)) 24 # Try launching the REPL before we have a running target. 25 self.expect( 26 "expression --repl -l c --", 27 substrs=["REPL requires a running target process."], 28 ) 29 30 self.expect("b main", substrs=["Breakpoint 1", "address ="]) 31 self.expect("run", substrs=["stop reason = breakpoint 1"]) 32 33 # Start the REPL. 34 self.child.send("expression --repl -l c --\n") 35 self.child.expect_exact("1>") 36 37 # PExpect uses many timeouts internally and doesn't play well 38 # under ASAN on a loaded machine.. 39 @skipIfAsan 40 @skipIf(oslist=["linux"], archs=["arm", "aarch64"]) # Randomly fails on buildbot 41 @skipIfEditlineSupportMissing 42 def test_basic_completion(self): 43 """Test that we can complete a simple multiline expression""" 44 self.start_repl() 45 # Try evaluating a simple expression. 46 self.expect_repl("3 + 3", substrs=["(int) $0 = 6"]) 47 48 # Try declaring a persistent variable. 49 self.expect_repl( 50 "long $persistent = 7; 5", 51 substrs=["(int) $1 = 5", "(long) $persistent = 7"], 52 ) 53 54 # Try using the persistent variable from before. 55 self.expect_repl("$persistent + 10", substrs=["(long) $2 = 17"]) 56 57 self.quit() 58 59 # PExpect uses many timeouts internally and doesn't play well 60 # under ASAN on a loaded machine.. 61 @skipIfAsan 62 @skipIf(oslist=["linux"], archs=["arm", "aarch64"]) # Randomly fails on buildbot 63 @skipIfEditlineSupportMissing 64 def test_completion_with_space_only_line(self): 65 """Test that we don't crash when completing lines with spaces only""" 66 self.start_repl() 67 68 self.child.send(" ") 69 self.child.send("\t") 70 self.expect_repl("3 + 3", substrs=["(int) $0 = 6"]) 71