tests: add test cases for DF and NDF variants of 29.97 and 59.94

Author: connerdouglass

src/timecodes-all.test.ts

@@ -15,6 +15,7 @@ import { Timecode } from './timecode';
 
 async function runTimecodesTest(
 	rate: Rate,
+	dropFrame: boolean,
 	filename: string,
 	maxFrames?: number
 ) {
@@ -34,7 +35,7 @@ async function runTimecodesTest(
 		if (line.trim() === '') continue;
 
 		// Frame index -> timecode string
-		const tcFromIndex = new Timecode(frameIndex, rate, rate.drop > 0);
+		const tcFromIndex = new Timecode(frameIndex, rate, dropFrame);
 		expect(tcFromIndex.toString()).toBe(line);
 
 		// Timecode string -> frameIndex
@@ -54,21 +55,27 @@ async function runTimecodesTest(
 
 describe('test all timecodes exhaustively', () => {
 	test('all timecodes - 23.976', async () => {
-		await runTimecodesTest(Rate_23_976, 'tc-all-23_976.txt', 10000);
+		await runTimecodesTest(Rate_23_976, false, 'tc-all-23_976.txt', 10000);
 	});
 	test('all timecodes - 24', async () => {
-		await runTimecodesTest(Rate_24, 'tc-all-24.txt', 10000);
+		await runTimecodesTest(Rate_24, false, 'tc-all-24.txt', 10000);
 	});
-	test('all timecodes - 29.97', async () => {
-		await runTimecodesTest(Rate_29_97, 'tc-all-29_97.txt', 10000);
+	test('all timecodes - 29.97 NDF', async () => {
+		await runTimecodesTest(Rate_29_97, false, 'tc-all-30.txt', 10000);
+	});
+	test('all timecodes - 29.97 DF', async () => {
+		await runTimecodesTest(Rate_29_97, true, 'tc-all-29_97.txt', 10000);
 	});
 	test('all timecodes - 30', async () => {
-		await runTimecodesTest(Rate_30, 'tc-all-30.txt', 10000);
+		await runTimecodesTest(Rate_30, false, 'tc-all-30.txt', 10000);
+	});
+	test('all timecodes - 59.94 NDF', async () => {
+		await runTimecodesTest(Rate_59_94, false, 'tc-all-60.txt', 10000);
 	});
-	test('all timecodes - 59.94', async () => {
-		await runTimecodesTest(Rate_59_94, 'tc-all-59_94.txt', 10000);
+	test('all timecodes - 59.94 DF', async () => {
+		await runTimecodesTest(Rate_59_94, true, 'tc-all-59_94.txt', 10000);
 	});
 	test('all timecodes - 60', async () => {
-		await runTimecodesTest(Rate_60, 'tc-all-60.txt', 10000);
+		await runTimecodesTest(Rate_60, false, 'tc-all-60.txt', 10000);
 	});
 });