grass/crates/lib/tests/number.rs

#[macro_use]
mod macros;

// this is `1` for node-sass, but .999999etc for web compiler
test!(
    precision_does_not_round_up,
    "a {\n  color: 0.99999999991;\n}\n",
    "a {\n  color: 0.9999999999;\n}\n"
);
// this is `1` for node-sass, but .999999etc for web compiler
test!(
    precision_does_round_up,
    "a {\n  color: 1.00000000009;\n}\n",
    "a {\n  color: 1.0000000001;\n}\n"
);
test!(
    many_nines_becomes_one,
    "a {\n  color: 0.9999999999999999;\n}\n",
    "a {\n  color: 1;\n}\n"
);
test!(
    many_nines_becomes_one_neg,
    "a {\n  color: -0.9999999999999999;\n}\n",
    "a {\n  color: -1;\n}\n"
);
test!(
    negative_zero,
    "a {\n  color: -0;\n}\n",
    "a {\n  color: 0;\n}\n"
);
test!(
    decimal_is_zero,
    "a {\n  color: 1.0000;\n}\n",
    "a {\n  color: 1;\n}\n"
);
test!(
    unary_plus_on_integer,
    "a {\n  color: +1;\n}\n",
    "a {\n  color: 1;\n}\n"
);
test!(
    unary_plus_on_decimal,
    "a {\n  color: +1.5;\n}\n",
    "a {\n  color: 1.5;\n}\n"
);
test!(
    unary_plus_on_scientific,
    "a {\n  color: +1e5;\n}\n",
    "a {\n  color: 100000;\n}\n"
);
test!(
    many_nines_not_rounded,
    "a {\n  color: 0.999999;\n}\n",
    "a {\n  color: 0.999999;\n}\n"
);
test!(
    positive_integer,
    "a {\n  color: 1;\n}\n",
    "a {\n  color: 1;\n}\n"
);
test!(
    negative_integer,
    "a {\n  color: -1;\n}\n",
    "a {\n  color: -1;\n}\n"
);
test!(
    positive_float_no_leading_zero,
    "a {\n  color: .1;\n}\n",
    "a {\n  color: 0.1;\n}\n"
);
test!(
    negative_float_no_leading_zero,
    "a {\n  color: -.1;\n}\n",
    "a {\n  color: -0.1;\n}\n"
);
test!(
    positive_float_leading_zero,
    "a {\n  color: 0.1;\n}\n",
    "a {\n  color: 0.1;\n}\n"
);
test!(
    negative_float_leading_zero,
    "a {\n  color: -0.1;\n}\n",
    "a {\n  color: -0.1;\n}\n"
);
test!(
    negative_near_zero_no_sign,
    "a {\n  color: -0.000000000001;\n}\n",
    "a {\n  color: 0;\n}\n"
);
test!(
    equality_unit_conversions,
    "a {\n  color: 1in == 96px;\n}\n",
    "a {\n  color: true;\n}\n"
);
test!(
    positive_scientific_notation,
    "a {\n  color: 1e5;\n}\n",
    "a {\n  color: 100000;\n}\n"
);
test!(
    positive_scientific_notation_leading_zeroes,
    "a {\n  color: 1e05;\n}\n",
    "a {\n  color: 100000;\n}\n"
);
test!(
    positive_scientific_notation_capital,
    "a {\n  color: 1E5;\n}\n",
    "a {\n  color: 100000;\n}\n"
);
test!(
    negative_scientific_notation,
    "a {\n  color: 1e-5;\n}\n",
    "a {\n  color: 0.00001;\n}\n"
);
test!(
    negative_scientific_notation_leading_zeroes,
    "a {\n  color: 1e-05;\n}\n",
    "a {\n  color: 0.00001;\n}\n"
);
test!(
    negative_scientific_notation_capital,
    "a {\n  color: 1E-5;\n}\n",
    "a {\n  color: 0.00001;\n}\n"
);
test!(
    positive_scientific_notation_decimal,
    "a {\n  color: 1.2e5;\n}\n",
    "a {\n  color: 120000;\n}\n"
);
test!(
    negative_scientific_notation_decimal,
    "a {\n  color: 1.2e-5;\n}\n",
    "a {\n  color: 0.000012;\n}\n"
);
test!(unit_e, "a {\n  color: 1e;\n}\n", "a {\n  color: 1e;\n}\n");
test!(
    positive_scientific_notation_zero,
    "a {\n  color: 1e0;\n}\n",
    "a {\n  color: 1;\n}\n"
);
test!(
    negative_scientific_notation_zero,
    "a {\n  color: 1e-0;\n}\n",
    "a {\n  color: 1;\n}\n"
);
test!(
    scientific_notation_decimal,
    "a {\n  color: 1.2e5.5;\n}\n",
    "a {\n  color: 120000 0.5;\n}\n"
);
test!(
    binary_op_with_e_as_unit,
    "a {\n  color: 1e - 2;\n}\n",
    "a {\n  color: -1e;\n}\n"
);
error!(
    scientific_notation_nothing_after_dash_in_style,
    "a {\n  color: 1e-;\n}\n", "Error: Expected digit."
);
error!(
    scientific_notation_nothing_after_dash,
    "a {\n  color: 1e-", "Error: Expected digit."
);
error!(
    scientific_notation_whitespace_after_dash,
    "a {\n  color: 1e- 2;\n}\n", "Error: Expected digit."
);
error!(
    scientific_notation_ident_char_after_dash,
    "a {\n  color: 1e-a;\n}\n", "Error: Expected digit."
);
test!(
    number_overflow_from_addition,
    "a {\n  color: 999999999999999999
                + 999999999999999999
                + 999999999999999999
                + 999999999999999999
                + 999999999999999999
                + 999999999999999999
                + 999999999999999999
                + 999999999999999999
                + 999999999999999999
                + 999999999999999999;\n}\n",
    "a {\n  color: 10000000000000000000;\n}\n"
);
test!(
    number_overflow_from_multiplication,
    "a {\n  color: 999999999999999999 * 10;\n}\n",
    "a {\n  color: 10000000000000000000;\n}\n"
);
test!(
    number_overflow_from_division,
    "a {\n  color: (999999999999999999 / .1);\n}\n",
    "a {\n  color: 10000000000000000000;\n}\n"
);
test!(
    bigint_is_equal_to_smallint,
    "$a: 99999990000099999999999999 - 99999990000099999999999999;

    a {
      color: $a;
      color: $a == 0;
    }",
    "a {\n  color: 0;\n  color: true;\n}\n"
);
test!(
    #[ignore = "float formatting isn't feature complete"]
    scientific_notation_very_large_positive,
    "a {\n  color: 1e100;\n}\n", "a {\n  color: 10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000;\n}\n"
);
test!(
    scientific_notation_very_large_negative,
    "a {\n  color: 1e-100;\n}\n",
    "a {\n  color: 0;\n}\n"
);
test!(
    overflows_float_positive,
    "a {\n  color: 1e999;\n}\n",
    "a {\n  color: Infinity;\n}\n"
);
test!(
    overflows_float_negative,
    "a {\n  color: -1e999;\n}\n",
    "a {\n  color: -Infinity;\n}\n"
);
test!(
    very_large_but_no_overflow,
    "a {\n  color: 17976931348623157000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000;\n}\n",
    "a {\n  color: 17976931348623157580412819756850388593900235011794141176754562789180111453639664485361928830517704263393537268510363518759043843737070229269956251768752166883397940628862983287625967246810352023792017211936260189893797509826303293149283469713429932049693599732425511693654044437030940398714664210204414967808;\n}\n"
);
error!(
    scientific_notation_no_number_after_decimal,
    "a {\n  color: 1.e3;\n}\n", "Error: Expected digit."
);