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Simplify CompileTimeFormattingTest tests by reordering arguments of EXPECT_EQ #2044

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alexezeder
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Extends #2019 by simplifying tests. This change was requested there #2019 (comment) but I didn't manage to simplify it.

Turns out that the position in EXPECT_EQ macro is the key:

EXPECT_EQ(test_format<5>(FMT_COMPILE("{}"), true), "true"); // compilation error
EXPECT_EQ("true", test_format<5>(FMT_COMPILE("{}"), true)); // ok

In this PR arguments are just swapped, so the result is the first argument. Just like all over the file:

fmt/test/compile-test.cc

Lines 125 to 136 in 5a49356

TEST(CompileTest, FormatDefault) {
EXPECT_EQ("42", fmt::format(FMT_COMPILE("{}"), 42));
EXPECT_EQ("42", fmt::format(FMT_COMPILE("{}"), 42u));
EXPECT_EQ("42", fmt::format(FMT_COMPILE("{}"), 42ll));
EXPECT_EQ("42", fmt::format(FMT_COMPILE("{}"), 42ull));
EXPECT_EQ("true", fmt::format(FMT_COMPILE("{}"), true));
EXPECT_EQ("x", fmt::format(FMT_COMPILE("{}"), 'x'));
EXPECT_EQ("4.2", fmt::format(FMT_COMPILE("{}"), 4.2));
EXPECT_EQ("foo", fmt::format(FMT_COMPILE("{}"), "foo"));
EXPECT_EQ("foo", fmt::format(FMT_COMPILE("{}"), std::string("foo")));
EXPECT_EQ("foo", fmt::format(FMT_COMPILE("{}"), test_formattable()));
}

@vitaut vitaut merged commit aabe0a8 into fmtlib:master Dec 3, 2020
@vitaut
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vitaut commented Dec 3, 2020

Nice!

@alexezeder alexezeder deleted the feature/compile-time-formatting-tests-simplification branch January 15, 2021 21:11
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2 participants