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27 lines
1012 B
27 lines
1012 B
export function assert(testName: string, expected: string, actual: string, message?: undefined) {
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var result = CompareString(actual, expected);
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if (result != true) {
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console.log('"' + testName + "\" failed: \n" + result);
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}
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else {
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//console.log(testName + " pass");
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}
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}
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export function CompareString(actual: string, expected: string) {
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var l = Math.min(actual.length, expected.length);
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for (var i = 0; i < l; i++) {
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if (actual[i] != expected[i]) {
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var toEnd = Math.min(i + 50, l);
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return '\ndifferent at ' + i.toString() +
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'\nactual: "\n' + actual.substring(i, toEnd) +
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'\nexpected: "\n' + expected.substring(i, toEnd) + '"\n---' +
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"\nactual (full): \n" + actual + "\n---" +
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"\nexpected (full): \n" + expected + "\n====\n";
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}
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}
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if (actual != expected) {
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return 'actual: \n"' + actual + '"\nexpected: \n"' + expected + '"';
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}
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return true;
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}
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