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dec49b05b8
* Fix: Correct precision calculation for floating point formatting --------- Signed-off-by: Manuel Barrio Linares <mbarriolinares@gmail.com> Co-authored-by: Christoffer Lerno <christoffer@aegik.com>
45 lines
1.3 KiB
Plaintext
45 lines
1.3 KiB
Plaintext
module std::core::formatter_test;
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import std;
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struct Foo (Printable) { int a; }
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fn usz? Foo.to_format(&self, Formatter *f) @dynamic
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{
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return f.printf("Foo[%d]", self.a);
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}
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fn void test_ref() @test
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{
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Foo* f = &&(Foo){ 8 };
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Foo* f0 = null;
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int* a = (void*)(uptr)0x40;
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int* b = null;
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String s = string::format(mem, "%s %s %s %s %s", a, b, f0, f, *f);
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defer free(s);
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assert(s == "0x40 0x0 (null) Foo[8] Foo[8]");
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double d1 = 6.62607015e-34d;
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double d2 = 0.0d;
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double d3 = -0.0d;
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double d4 = double.inf;
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double d5 = -double.inf;
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double d6 = -4.932096661796888e-226d;
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double d7 = 3.439070283483335e+35d;
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double d8 = 6.606854224493745e-17d;
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double d9 = 6.079537928711555e+61d;
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String s2 = string::format(mem, "%.9g %g %g %g %g %.16g %.16g %.16g %.16g", d1, d2, d3, d4, d5, d6, d7, d8, d9);
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defer free(s2);
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test::eq(s2, "6.62607015e-34 0 -0 inf -inf -4.932096661796888e-226 3.439070283483335e+35 6.606854224493745e-17 6.079537928711555e+61");
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double t1 = 12345.9d;
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double t2 = 0.00087654d;
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double t3 = 1234567.0d;
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double t4 = 12.345d;
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double t5 = 12.3d;
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double t6 = 0.9999999d;
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double t7 = 3.141592653589793d;
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String s3 = string::format(mem, "%.3e %.3e %.4g %.4g %#.4g %.3f %.15f", t1, t2, t3, t4, t5, t6, t7);
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defer free(s3);
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assert(s3 == "1.235e+04 8.765e-04 1.235e+06 12.35 12.30 1.000 3.141592653589793");
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}
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