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test(yaml): test parsing of single quoted scalars #5356

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Jul 9, 2024
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test(yaml): test parsing of single quoted scalars #5356

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22 changes: 22 additions & 0 deletions yaml/parse_test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -586,6 +586,28 @@ Deno.test("parse() handles escaped strings in double quotes", () => {
);
});

Deno.test("parse() handles single quoted scalar", () => {
assertEquals(parse("'bar'"), "bar");
// escaped single quote
assertEquals(parse("'''bar'''"), "'bar'");
// line break in single quoted scalar
assertEquals(parse("'foo\nbar'"), "foo bar");

assertThrows(
// document end in single quoted scalar
() => parse("'bar\n"),
YamlError,
"unexpected end of the stream within a single quoted scalar at line 2, column 1:\n \n ^",
);

assertThrows(
// document separator appears in single quoted scalar
() => parse("'bar\n..."),
YamlError,
"unexpected end of the document within a single quoted scalar at line 2, column 1:\n ...\n ^",
);
});

Deno.test("parse() handles %YAML directive", () => {
assertEquals(
parse(`%YAML 1.2
Expand Down