squiggle/packages/squiggle-lang/__tests__/TS/Parser_test.ts

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import { testRun } from "./TestHelpers";
import * as fc from "fast-check";
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describe("Squiggle's parser is whitespace insensitive", () => {
test("when assigning a distribution to a name and calling that name", () => {
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// intersperse varying amounts of whitespace in a squiggle string
let squiggleString = (
a: string,
b: string,
c: string,
d: string,
e: string,
f: string,
g: string,
h: string
): string => {
return `theDist${a}=${b}beta(${c}4${d},${e}5e1)${f};${g}theDist${h}`;
};
let squiggleOutput = testRun(
squiggleString("", "", "", "", "", "", "", "")
);
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// Add "\n" to this when multiline is introduced.
let whitespaceGen = () => {
return fc.constantFrom("", " ", "\t", " ", " ", " ", " ");
};
fc.assert(
fc.property(
whitespaceGen(),
whitespaceGen(),
whitespaceGen(),
whitespaceGen(),
whitespaceGen(),
whitespaceGen(),
whitespaceGen(),
whitespaceGen(),
(a, b, c, d, e, f, g, h) => {
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expect(
testRun(squiggleString(a, b, c, d, e, f, g, h))
).toEqualSqValue(squiggleOutput);
}
)
);
});
});