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"""
Test Substring summary strings.
"""
import lldb
from lldbsuite.test.lldbtest import *
from lldbsuite.test.decorators import *
import lldbsuite.test.lldbutil as lldbutil
class TestCase(TestBase):
@swiftTest
def test_swift_substring_formatters(self):
"""Test Subtring summary strings."""
self.build()
# First stop tests small strings.
_, process, _, _, = lldbutil.run_to_source_breakpoint(
self, "break here", lldb.SBFileSpec("main.swift")
)
self.expect(
"v substrings",
substrs=[
'[0] = "abc"',
'[1] = "bc"',
'[2] = "c"',
'[3] = ""',
],
)
# Continue to the second stop, to test non-small strings.
process.Continue()
# Strings larger than 15 bytes (64-bit) or 10 bytes (32-bit) cannot be
# stored directly inside the String struct.
alphabet = "abcdefghijklmnopqrstuvwxyz"
# Including the first full substring, and the final empty substring,
# there are 27 substrings.
subalphabets = [alphabet[i:] for i in range(27)]
self.expect(
"v substrings",
substrs=[
f'[{i}] = "{substring}"'
for i, substring in enumerate(subalphabets)
],
)
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