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@@ -289,6 +289,53 @@ START_TEST(String)
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serializedNumber = U""; dsr::string_fromDouble(serializedNumber, -123.456789, 4); ASSERT_EQUAL(serializedNumber, U"-123.4568"); // Rounded
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serializedNumber = U""; dsr::string_fromDouble(serializedNumber, -123.456789, 5); ASSERT_EQUAL(serializedNumber, U"-123.45679"); // Rounded
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serializedNumber = U""; dsr::string_fromDouble(serializedNumber, -123.456789, 6); ASSERT_EQUAL(serializedNumber, U"-123.456789"); // All decimals included, so no need to round.
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+ // Test nearest rounding while returning by value.
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+ ASSERT_EQUAL(dsr::string_fromDouble(1.00, 1), U"1.0");
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+ ASSERT_EQUAL(dsr::string_fromDouble(1.01, 1), U"1.0");
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+ ASSERT_EQUAL(dsr::string_fromDouble(1.02, 1), U"1.0");
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+ ASSERT_EQUAL(dsr::string_fromDouble(1.03, 1), U"1.0");
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+ ASSERT_EQUAL(dsr::string_fromDouble(1.04, 1), U"1.0");
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+ ASSERT_EQUAL(dsr::string_fromDouble(1.049, 1), U"1.0");
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+ ASSERT_EQUAL(dsr::string_fromDouble(1.0499, 1), U"1.0");
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+ ASSERT_EQUAL(dsr::string_fromDouble(1.04999, 1), U"1.0");
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+ ASSERT_EQUAL(dsr::string_fromDouble(1.049999, 1), U"1.0");
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+ ASSERT_EQUAL(dsr::string_fromDouble(1.0499999, 1), U"1.0");
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+ ASSERT_EQUAL(dsr::string_fromDouble(1.04999999, 1), U"1.0");
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+ ASSERT_EQUAL(dsr::string_fromDouble(1.049999999, 1), U"1.0");
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+ ASSERT_EQUAL(dsr::string_fromDouble(1.050000001, 1), U"1.1");
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+ ASSERT_EQUAL(dsr::string_fromDouble(1.05000001, 1), U"1.1");
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+ ASSERT_EQUAL(dsr::string_fromDouble(1.0500001, 1), U"1.1");
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+ ASSERT_EQUAL(dsr::string_fromDouble(1.050001, 1), U"1.1");
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+ ASSERT_EQUAL(dsr::string_fromDouble(1.05001, 1), U"1.1");
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+ ASSERT_EQUAL(dsr::string_fromDouble(1.0501, 1), U"1.1");
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+ ASSERT_EQUAL(dsr::string_fromDouble(1.051, 1), U"1.1");
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+ ASSERT_EQUAL(dsr::string_fromDouble(1.06, 1), U"1.1");
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+ ASSERT_EQUAL(dsr::string_fromDouble(1.07, 1), U"1.1");
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+ ASSERT_EQUAL(dsr::string_fromDouble(1.08, 1), U"1.1");
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+ ASSERT_EQUAL(dsr::string_fromDouble(1.09, 1), U"1.1");
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+ ASSERT_EQUAL(dsr::string_fromDouble(1.10, 1), U"1.1");
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+ // Not removing trailing zeroes.
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+ ASSERT_EQUAL(dsr::string_fromDouble(1.0, 0, false), U"1.0");
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+ ASSERT_EQUAL(dsr::string_fromDouble(1.0, 1, false), U"1.0");
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+ ASSERT_EQUAL(dsr::string_fromDouble(1.0, 2, false), U"1.00");
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+ ASSERT_EQUAL(dsr::string_fromDouble(1.0, 3, false), U"1.000");
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+ ASSERT_EQUAL(dsr::string_fromDouble(1.0, 4, false), U"1.0000");
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+ ASSERT_EQUAL(dsr::string_fromDouble(1.0, 5, false), U"1.00000");
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+ ASSERT_EQUAL(dsr::string_fromDouble(1.0, 6, false), U"1.000000");
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+ ASSERT_EQUAL(dsr::string_fromDouble(1.0, 7, false), U"1.0000000");
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+ ASSERT_EQUAL(dsr::string_fromDouble(1.0, 8, false), U"1.00000000");
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+ ASSERT_EQUAL(dsr::string_fromDouble(1.0, 9, false), U"1.000000000");
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+ ASSERT_EQUAL(dsr::string_fromDouble(1.0, 10, false), U"1.0000000000");
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+ ASSERT_EQUAL(dsr::string_fromDouble(1.0, 11, false), U"1.00000000000");
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+ ASSERT_EQUAL(dsr::string_fromDouble(1.0, 12, false), U"1.000000000000");
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+ ASSERT_EQUAL(dsr::string_fromDouble(1.0, 13, false), U"1.0000000000000");
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+ ASSERT_EQUAL(dsr::string_fromDouble(1.0, 14, false), U"1.00000000000000");
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+ ASSERT_EQUAL(dsr::string_fromDouble(1.0, 15, false), U"1.000000000000000");
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+ ASSERT_EQUAL(dsr::string_fromDouble(1.0, 16, false), U"1.0000000000000000");
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+ ASSERT_EQUAL(dsr::string_fromDouble(1.0, 17, false), U"1.0000000000000000");
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+ ASSERT_EQUAL(dsr::string_fromDouble(1.0, 18, false), U"1.0000000000000000");
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+ // Special characters.
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+ ASSERT_EQUAL(dsr::string_fromDouble(-1.0, 2, false, U',', U'~'), U"~1,00");
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// Number parsing
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ASSERT_EQUAL(string_toInteger(U"0"), 0);
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ASSERT_EQUAL(string_toInteger(U"-0"), 0);
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David Piuva