22 lines
667 B
JavaScript
22 lines
667 B
JavaScript
const test = require('node:test');
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const assert = require('node:assert/strict');
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const gravity = require('../src/helper/gravity.js');
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test('standard gravity constant is available', () => {
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assert.ok(Math.abs(gravity.getStandardGravity() - 9.80665) < 1e-9);
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});
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test('local gravity decreases with elevation', () => {
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const seaLevel = gravity.getLocalGravity(45, 0);
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const high = gravity.getLocalGravity(45, 1000);
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assert.ok(high < seaLevel);
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});
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test('pressureHead and weightForce use local gravity', () => {
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const dp = gravity.pressureHead(1000, 5, 45, 0);
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const force = gravity.weightForce(2, 45, 0);
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assert.ok(dp > 0);
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assert.ok(force > 0);
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});
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