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add large integration tests

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Connor Skees 2021-07-27 20:29:56 -04:00
parent 140890c279
commit f67b1c62e7
2 changed files with 242 additions and 26 deletions
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tests/large.rs Normal file
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//! Large tests that exercise many features at once
#[macro_use]
mod macros;
test!(
/// https://github.com/kaj/rsass/issues/41
issue_41,
"@function str-replace($string, $search, $replace: \"\") {
$index: str-index($string, $search);
@if $index {
@return str-slice($string, 1, $index - 1)+$replace+str-replace(str-slice($string, $index + str-length($search)), $search, $replace);
}
@return $index;
}
$x: str-replace(url(\"a#b#c\"), \"#\", \":\");
a {
color: $x;
}",
"a {\n color: url(\"a:b:;\n}\n"
);
test!(
base64_decode,
r##"
@use "sass:math";
@use "sass:map";
@function char-at($s, $idx) {
@return str-slice($s, $idx, $idx);
}
@function bitwise-and($a, $b) {
$x: null;
$y: null;
@if $a > $b {
$x: $a;
$y: $b;
} @else {
$x: $b;
$y: $a;
}
$limit: math.floor(math.log($x, 2));
$result: 0;
@for $n from 0 through $limit {
$two-pow-n: math.pow(2, $n);
$result: $result +
$two-pow-n *
(math.floor(math.div($x, $two-pow-n)) % 2) *
(math.floor(math.div($y, $two-pow-n)) % 2);
}
@return $result;
}
@function bitwise-shift-left($n, $amt) {
@return math.floor($n * math.pow(2, $amt));
}
@function bitwise-shift-right($n, $amt) {
@return math.floor(math.div($n, math.pow(2, $amt)));
}
@function bitwise-or($a, $b) {
$x: null;
$y: null;
@if $a > $b {
$x: $a;
$y: $b;
} @else {
$x: $b;
$y: $a;
}
$limit: math.floor(math.log($x, 2));
$result: 0;
@for $n from 0 through $limit {
$two-pow-n: math.pow(2, $n);
$x-div-two-pow-n: math.floor(math.div($x, $two-pow-n)) % 2;
$y-div-two-pow-n: math.floor(math.div($y, $two-pow-n)) % 2;
$result: $result +
$two-pow-n *
(
(
($x-div-two-pow-n + $y-div-two-pow-n) +
$x-div-two-pow-n *
$y-div-two-pow-n
)
%
2
);
}
@return $result;
}
@function letter-index-map() {
$map: ();
$chars: "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
@for $i from 1 through str-length($chars) {
$char: char-at($chars, $i);
$map: map.set($map, $char, $i - 1);
$map: map.set($map, $i - 1, $char);
}
@return $map;
}
@function ascii-map() {
$map: ();
$chars-upper: "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
@for $i from 1 through str-length($chars-upper) {
$char: char-at($chars-upper, $i);
$map: map.set($map, $char, $i - 1 + 65);
$map: map.set($map, $i - 1 + 65, $char);
}
$chars-lower: "abcdefghijklmnopqrstuvwxyz";
@for $i from 1 through str-length($chars-lower) {
$char: char-at($chars-lower, $i);
$map: map.set($map, $char, $i - 1 + 97);
$map: map.set($map, $i - 1 + 97, $char);
}
@return $map;
}
$letter-index-map: letter-index-map();
$ascii-map: ascii-map();
@function byte-at($str, $idx) {
@return map-get($letter-index-map, char-at($str, $idx));
}
@function chunk-string($str) {
$chunks: [];
@for $i from 1 through str-length($str) {
@if ($i - 1) % 4 == 0 {
$chunk: byte-at($str, $i)
byte-at($str, $i + 1)
byte-at($str, $i + 2)
byte-at($str, $i + 3);
$chunks: append($chunks, $chunk);
}
}
@return $chunks;
}
@function decode-base64($str) {
$result: "";
@if str-length($str) % 4 != 0 {
@error "Invalid base64 string length";
}
$chunks: chunk-string($str);
@each $chunk in $chunks {
$start: bitwise-or(
bitwise-shift-left(nth($chunk, 1), 18),
bitwise-shift-left(nth($chunk, 2), 12)
);
@if bitwise-and(nth($chunk, 3), nth($chunk, 4)) == 64 {
$result: "#{$result}#{map-get($ascii-map, bitwise-and(bitwise-shift-right($start, 16), 255))}";
} @else if nth($chunk, 4) == 64 {
$start: bitwise-or($start, bitwise-shift-left(nth($chunk, 3), 6));
$result: "#{$result}#{map-get($ascii-map, bitwise-and(bitwise-shift-right($start, 16), 255))}";
$result: "#{$result}#{map-get($ascii-map, bitwise-and(bitwise-shift-right($start, 8), 255))}";
} @else {
$val: bitwise-or(bitwise-shift-left(nth($chunk, 3), 6), nth($chunk, 4));
$start: bitwise-or($start, $val);
$result: "#{$result}#{map-get($ascii-map, bitwise-and(bitwise-shift-right($start, 16), 255))}";
$result: "#{$result}#{map-get($ascii-map, bitwise-and(bitwise-shift-right($start, 8), 255))}";
$result: "#{$result}#{map-get($ascii-map, bitwise-and(bitwise-shift-right($start, 0), 255))}";
}
}
@return $result;
}
a {
color: decode-base64("SGVsbG8=");
}
"##,
"a {\n color: \"Hello\";\n}\n"
);
test!(
two_sum,
r#"
@use "sass:map";
@function two-sum($nums, $target) {
$map: ();
@for $i from 1 through length($nums) {
$num: nth($nums, $i);
$diff: $target - $num;
@if map-get($map, $diff) {
@return map-get($map, $diff) - 1 $i - 1;
} @else {
$map: map.set($map, $num, $i);
}
}
@return null;
}
a {
color: two-sum(2 7 11 15, 9);
color: two-sum(3 2 4, 6);
color: two-sum(3 3, 6);
color: two-sum(3 2, 6);
}"#,
"a {\n color: 0 1;\n color: 1 2;\n color: 0 1;\n}\n"
);

26
tests/rsass_issues.rs
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@ -1,26 +0,0 @@
//! Test cases adapted verbatim from the rsass issue tracker
//! https://github.com/kaj/rsass/issues?q=is%3Aissue
#[macro_use]
mod macros;
test!(
/// https://github.com/kaj/rsass/issues/41
issue_41,
"@function str-replace($string, $search, $replace: \"\") {
$index: str-index($string, $search);
@if $index {
@return str-slice($string, 1, $index - 1)+$replace+str-replace(str-slice($string, $index + str-length($search)), $search, $replace);
}
@return $index;
}
$x: str-replace(url(\"a#b#c\"), \"#\", \":\");
a {
color: $x;
}",
"a {\n color: url(\"a:b:;\n}\n"
);