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| author | Stefan Behnel <stefan_ml@behnel.de> | 2020-04-03 18:45:57 +0200 |
|---|---|---|
| committer | Stefan Behnel <stefan_ml@behnel.de> | 2020-04-03 19:40:08 +0200 |
| commit | a3b1cf6f6785da42ddcfecf4778ac0dd3206bad6 (patch) | |
| tree | 53449c9a7c5e9da73a298b13c65877a06ea98ee4 | |
| parent | 7e004e0a36a8c362a568a5b47a26bfde6f98d621 (diff) | |
| download | cython-a3b1cf6f6785da42ddcfecf4778ac0dd3206bad6.tar.gz | |
Explicitly test simple (and optimised) string concatenation in f-strings.
| -rw-r--r-- | tests/run/fstring.pyx | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/tests/run/fstring.pyx b/tests/run/fstring.pyx index 12410f383..34dc0b175 100644 --- a/tests/run/fstring.pyx +++ b/tests/run/fstring.pyx @@ -18,6 +18,65 @@ min_long = LONG_MIN @cython.test_fail_if_path_exists( + "//JoinedStrNode", +) +@cython.test_assert_path_exists( + "//AddNode", +) +def concat_strings(a, b): + """ + >>> concat_strings("", "") + x + <BLANKLINE> + x + x + x + xx + >>> concat_strings("a", "") + ax + a + x + ax + ax + axx + >>> concat_strings("", "b") + x + b + xb + xb + xb + xxb + >>> concat_strings("a", "b") + ax + ab + xb + axb + axb + axxb + >>> concat_strings("".join(["a", "b"]), "") # fresh temp string left + abx + ab + x + abx + abx + abxx + >>> concat_strings("", "".join(["a", "b"])) # fresh temp string right + x + ab + xab + xab + xab + xxab + """ + print(f"{a}x") + print(f"{a}{b}") + print(f"x{b}") + print(f"{a+'x'}{b}") # fresh temp string left + print(f"{a}{'x'+b}") # fresh temp string right + print(f"{a+'x'}{'x'+b}") # fresh temp strings right and left + + +@cython.test_fail_if_path_exists( "//FormattedValueNode", "//JoinedStrNode", "//AddNode", |