Diffusion Ant (slabs) Code

ant/examples/spec/helpers.js
327d21970a03slabs

helpers.js
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			const GREEN = '\x1b[32m';
			const RED = '\x1b[31m';
			const RESET = '\x1b[0m';

			let passed = 0;
			let failed = 0;

			export function test(name, actual, expected) {
			if (actual === expected) {
			console.log(`${GREEN}✓${RESET} ${name}`);
			passed++;
			} else {
			console.log(`${RED}✗${RESET} ${name}`);
			console.log(` Expected: ${expected}`);
			console.log(` Actual: ${actual}`);
			failed++;
			}
			}

			export function testApprox(name, actual, expected, epsilon = 1e-10) {
			const pass = (Number.isNaN(actual) && Number.isNaN(expected)) \|\|
			(!Number.isFinite(actual) && !Number.isFinite(expected) && actual === expected) \|\|
			Math.abs(actual - expected) < epsilon;
			if (pass) {
			console.log(`${GREEN}✓${RESET} ${name}`);
			passed++;
			} else {
			console.log(`${RED}✗${RESET} ${name}`);
			console.log(` Expected: ${expected}`);
			console.log(` Actual: ${actual}`);
			failed++;
			}
			}

			export function testThrows(name, fn) {
			try {
			fn();
			console.log(`${RED}✗${RESET} ${name} (expected to throw)`);
			failed++;
			} catch (e) {
			console.log(`${GREEN}✓${RESET} ${name}`);
			passed++;
			}
			}

			export function testDeep(name, actual, expected) {
			const pass = JSON.stringify(actual) === JSON.stringify(expected);
			if (pass) {
			console.log(`${GREEN}✓${RESET} ${name}`);
			passed++;
			} else {
			console.log(`${RED}✗${RESET} ${name}`);
			console.log(` Expected: ${JSON.stringify(expected)}`);
			console.log(` Actual: ${JSON.stringify(actual)}`);
			failed++;
			}
			}

			export function summary() {
			console.log(`\nPassed: ${passed}`);
			console.log(`Failed: ${failed}`);
			if (failed > 0) process.exit(1);
			}

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