Add snapshots for latin1 regexp, add more codepoints to string escapes

1 files changed, 36 insertions, 11 deletions

diff --git a/integration/snippets/latin1-chars-in-regexp.js b/integration/snippets/latin1-chars-in-regexp.js
index 34a6c4a2a..9695b9362 100644
--- a/integration/snippets/latin1-chars-in-regexp.js
+++ b/integration/snippets/latin1-chars-in-regexp.js
@@ -19,26 +19,51 @@ var re_btou = new RegExp(
   "g"
 );
 
-const real = [
+const encoder = new TextEncoder();
+const realLines = [
   "[\xC0-\xDF][\x80-\xBF]",
   "[\xE0-\xEF][\x80-\xBF]{2}",
   "[\xF0-\xF7][\x80-\xBF]{3}",
-]
-  .flatMap((a) => a.split(""))
-  .map((a) => a.codePointAt(0));
+];
+const real = realLines.map((input) => Array.from(encoder.encode(input)));
 
 const expected = [
-  91, 192, 45, 223, 93, 91, 128, 45, 191, 93, 91, 224, 45, 239, 93, 91, 128, 45,
-  191, 93, 123, 50, 125, 91, 240, 45, 247, 93, 91, 128, 45, 191, 93, 123, 51,
-  125,
+  [91, 195, 128, 45, 195, 159, 93, 91, 194, 128, 45, 194, 191, 93],
+  [
+    91, 195, 160, 45, 195, 175, 93, 91, 194, 128, 45, 194, 191, 93, 123, 50,
+    125,
+  ],
+  [
+    91, 195, 176, 45, 195, 183, 93, 91, 194, 128, 45, 194, 191, 93, 123, 51,
+    125,
+  ],
 ];
 
+const newlinePreserved = `\n`;
+
 export function test() {
-  if (!real.every((point, i) => point === expected[i])) {
+  if (
+    !real.every((point, i) => point.every((val, j) => val === expected[i][j]))
+  ) {
+    throw new Error(
+      `test failed
+${JSON.stringify({ expected, real }, null, 2)}`
+    );
+  }
+
+  if (newlinePreserved.length !== 1 || newlinePreserved.charCodeAt(0) !== 10) {
+    throw new Error("Newline was not preserved");
+  }
+
+  const decoder = new TextDecoder("utf8");
+  if (
+    !realLines.every(
+      (line, i) => decoder.decode(Uint8Array.from(expected[i])) === line
+    )
+  ) {
     throw new Error(
-      `test failed.\n\nExpected:\n ${expected.join(
-        " "
-      )}\Received:\n ${real.join(" ")}`
+      `test failed. Lines did not match.
+${JSON.stringify({ expected, real }, null, 2)}`
     );
   }