11cb0ef41Sopenharmony_ci'use strict';
21cb0ef41Sopenharmony_ci
31cb0ef41Sopenharmony_cirequire('../common');
41cb0ef41Sopenharmony_ciconst assert = require('assert');
51cb0ef41Sopenharmony_ci
61cb0ef41Sopenharmony_ci// Test (64 bit) double
71cb0ef41Sopenharmony_ciconst buffer = Buffer.allocUnsafe(8);
81cb0ef41Sopenharmony_ci
91cb0ef41Sopenharmony_cibuffer[0] = 0x55;
101cb0ef41Sopenharmony_cibuffer[1] = 0x55;
111cb0ef41Sopenharmony_cibuffer[2] = 0x55;
121cb0ef41Sopenharmony_cibuffer[3] = 0x55;
131cb0ef41Sopenharmony_cibuffer[4] = 0x55;
141cb0ef41Sopenharmony_cibuffer[5] = 0x55;
151cb0ef41Sopenharmony_cibuffer[6] = 0xd5;
161cb0ef41Sopenharmony_cibuffer[7] = 0x3f;
171cb0ef41Sopenharmony_ciassert.strictEqual(buffer.readDoubleBE(0), 1.1945305291680097e+103);
181cb0ef41Sopenharmony_ciassert.strictEqual(buffer.readDoubleLE(0), 0.3333333333333333);
191cb0ef41Sopenharmony_ci
201cb0ef41Sopenharmony_cibuffer[0] = 1;
211cb0ef41Sopenharmony_cibuffer[1] = 0;
221cb0ef41Sopenharmony_cibuffer[2] = 0;
231cb0ef41Sopenharmony_cibuffer[3] = 0;
241cb0ef41Sopenharmony_cibuffer[4] = 0;
251cb0ef41Sopenharmony_cibuffer[5] = 0;
261cb0ef41Sopenharmony_cibuffer[6] = 0xf0;
271cb0ef41Sopenharmony_cibuffer[7] = 0x3f;
281cb0ef41Sopenharmony_ciassert.strictEqual(buffer.readDoubleBE(0), 7.291122019655968e-304);
291cb0ef41Sopenharmony_ciassert.strictEqual(buffer.readDoubleLE(0), 1.0000000000000002);
301cb0ef41Sopenharmony_ci
311cb0ef41Sopenharmony_cibuffer[0] = 2;
321cb0ef41Sopenharmony_ciassert.strictEqual(buffer.readDoubleBE(0), 4.778309726801735e-299);
331cb0ef41Sopenharmony_ciassert.strictEqual(buffer.readDoubleLE(0), 1.0000000000000004);
341cb0ef41Sopenharmony_ci
351cb0ef41Sopenharmony_cibuffer[0] = 1;
361cb0ef41Sopenharmony_cibuffer[6] = 0;
371cb0ef41Sopenharmony_cibuffer[7] = 0;
381cb0ef41Sopenharmony_ci// eslint-disable-next-line no-loss-of-precision
391cb0ef41Sopenharmony_ciassert.strictEqual(buffer.readDoubleBE(0), 7.291122019556398e-304);
401cb0ef41Sopenharmony_ciassert.strictEqual(buffer.readDoubleLE(0), 5e-324);
411cb0ef41Sopenharmony_ci
421cb0ef41Sopenharmony_cibuffer[0] = 0xff;
431cb0ef41Sopenharmony_cibuffer[1] = 0xff;
441cb0ef41Sopenharmony_cibuffer[2] = 0xff;
451cb0ef41Sopenharmony_cibuffer[3] = 0xff;
461cb0ef41Sopenharmony_cibuffer[4] = 0xff;
471cb0ef41Sopenharmony_cibuffer[5] = 0xff;
481cb0ef41Sopenharmony_cibuffer[6] = 0x0f;
491cb0ef41Sopenharmony_cibuffer[7] = 0x00;
501cb0ef41Sopenharmony_ciassert.ok(Number.isNaN(buffer.readDoubleBE(0)));
511cb0ef41Sopenharmony_ciassert.strictEqual(buffer.readDoubleLE(0), 2.225073858507201e-308);
521cb0ef41Sopenharmony_ci
531cb0ef41Sopenharmony_cibuffer[6] = 0xef;
541cb0ef41Sopenharmony_cibuffer[7] = 0x7f;
551cb0ef41Sopenharmony_ciassert.ok(Number.isNaN(buffer.readDoubleBE(0)));
561cb0ef41Sopenharmony_ciassert.strictEqual(buffer.readDoubleLE(0), 1.7976931348623157e+308);
571cb0ef41Sopenharmony_ci
581cb0ef41Sopenharmony_cibuffer[0] = 0;
591cb0ef41Sopenharmony_cibuffer[1] = 0;
601cb0ef41Sopenharmony_cibuffer[2] = 0;
611cb0ef41Sopenharmony_cibuffer[3] = 0;
621cb0ef41Sopenharmony_cibuffer[4] = 0;
631cb0ef41Sopenharmony_cibuffer[5] = 0;
641cb0ef41Sopenharmony_cibuffer[6] = 0xf0;
651cb0ef41Sopenharmony_cibuffer[7] = 0x3f;
661cb0ef41Sopenharmony_ciassert.strictEqual(buffer.readDoubleBE(0), 3.03865e-319);
671cb0ef41Sopenharmony_ciassert.strictEqual(buffer.readDoubleLE(0), 1);
681cb0ef41Sopenharmony_ci
691cb0ef41Sopenharmony_cibuffer[6] = 0;
701cb0ef41Sopenharmony_cibuffer[7] = 0x40;
711cb0ef41Sopenharmony_ciassert.strictEqual(buffer.readDoubleBE(0), 3.16e-322);
721cb0ef41Sopenharmony_ciassert.strictEqual(buffer.readDoubleLE(0), 2);
731cb0ef41Sopenharmony_ci
741cb0ef41Sopenharmony_cibuffer[7] = 0xc0;
751cb0ef41Sopenharmony_ciassert.strictEqual(buffer.readDoubleBE(0), 9.5e-322);
761cb0ef41Sopenharmony_ciassert.strictEqual(buffer.readDoubleLE(0), -2);
771cb0ef41Sopenharmony_ci
781cb0ef41Sopenharmony_cibuffer[6] = 0x10;
791cb0ef41Sopenharmony_cibuffer[7] = 0;
801cb0ef41Sopenharmony_ciassert.strictEqual(buffer.readDoubleBE(0), 2.0237e-320);
811cb0ef41Sopenharmony_ciassert.strictEqual(buffer.readDoubleLE(0), 2.2250738585072014e-308);
821cb0ef41Sopenharmony_ci
831cb0ef41Sopenharmony_cibuffer[6] = 0;
841cb0ef41Sopenharmony_ciassert.strictEqual(buffer.readDoubleBE(0), 0);
851cb0ef41Sopenharmony_ciassert.strictEqual(buffer.readDoubleLE(0), 0);
861cb0ef41Sopenharmony_ciassert.ok(1 / buffer.readDoubleLE(0) >= 0);
871cb0ef41Sopenharmony_ci
881cb0ef41Sopenharmony_cibuffer[7] = 0x80;
891cb0ef41Sopenharmony_ciassert.strictEqual(buffer.readDoubleBE(0), 6.3e-322);
901cb0ef41Sopenharmony_ciassert.strictEqual(buffer.readDoubleLE(0), -0);
911cb0ef41Sopenharmony_ciassert.ok(1 / buffer.readDoubleLE(0) < 0);
921cb0ef41Sopenharmony_ci
931cb0ef41Sopenharmony_cibuffer[6] = 0xf0;
941cb0ef41Sopenharmony_cibuffer[7] = 0x7f;
951cb0ef41Sopenharmony_ciassert.strictEqual(buffer.readDoubleBE(0), 3.0418e-319);
961cb0ef41Sopenharmony_ciassert.strictEqual(buffer.readDoubleLE(0), Infinity);
971cb0ef41Sopenharmony_ci
981cb0ef41Sopenharmony_cibuffer[7] = 0xff;
991cb0ef41Sopenharmony_ciassert.strictEqual(buffer.readDoubleBE(0), 3.04814e-319);
1001cb0ef41Sopenharmony_ciassert.strictEqual(buffer.readDoubleLE(0), -Infinity);
1011cb0ef41Sopenharmony_ci
1021cb0ef41Sopenharmony_ci['readDoubleLE', 'readDoubleBE'].forEach((fn) => {
1031cb0ef41Sopenharmony_ci
1041cb0ef41Sopenharmony_ci  // Verify that default offset works fine.
1051cb0ef41Sopenharmony_ci  buffer[fn](undefined);
1061cb0ef41Sopenharmony_ci  buffer[fn]();
1071cb0ef41Sopenharmony_ci
1081cb0ef41Sopenharmony_ci  ['', '0', null, {}, [], () => {}, true, false].forEach((off) => {
1091cb0ef41Sopenharmony_ci    assert.throws(
1101cb0ef41Sopenharmony_ci      () => buffer[fn](off),
1111cb0ef41Sopenharmony_ci      { code: 'ERR_INVALID_ARG_TYPE' }
1121cb0ef41Sopenharmony_ci    );
1131cb0ef41Sopenharmony_ci  });
1141cb0ef41Sopenharmony_ci
1151cb0ef41Sopenharmony_ci  [Infinity, -1, 1].forEach((offset) => {
1161cb0ef41Sopenharmony_ci    assert.throws(
1171cb0ef41Sopenharmony_ci      () => buffer[fn](offset),
1181cb0ef41Sopenharmony_ci      {
1191cb0ef41Sopenharmony_ci        code: 'ERR_OUT_OF_RANGE',
1201cb0ef41Sopenharmony_ci        name: 'RangeError',
1211cb0ef41Sopenharmony_ci        message: 'The value of "offset" is out of range. ' +
1221cb0ef41Sopenharmony_ci                 `It must be >= 0 and <= 0. Received ${offset}`
1231cb0ef41Sopenharmony_ci      });
1241cb0ef41Sopenharmony_ci  });
1251cb0ef41Sopenharmony_ci
1261cb0ef41Sopenharmony_ci  assert.throws(
1271cb0ef41Sopenharmony_ci    () => Buffer.alloc(1)[fn](1),
1281cb0ef41Sopenharmony_ci    {
1291cb0ef41Sopenharmony_ci      code: 'ERR_BUFFER_OUT_OF_BOUNDS',
1301cb0ef41Sopenharmony_ci      name: 'RangeError',
1311cb0ef41Sopenharmony_ci      message: 'Attempt to access memory outside buffer bounds'
1321cb0ef41Sopenharmony_ci    });
1331cb0ef41Sopenharmony_ci
1341cb0ef41Sopenharmony_ci  [NaN, 1.01].forEach((offset) => {
1351cb0ef41Sopenharmony_ci    assert.throws(
1361cb0ef41Sopenharmony_ci      () => buffer[fn](offset),
1371cb0ef41Sopenharmony_ci      {
1381cb0ef41Sopenharmony_ci        code: 'ERR_OUT_OF_RANGE',
1391cb0ef41Sopenharmony_ci        name: 'RangeError',
1401cb0ef41Sopenharmony_ci        message: 'The value of "offset" is out of range. ' +
1411cb0ef41Sopenharmony_ci                 `It must be an integer. Received ${offset}`
1421cb0ef41Sopenharmony_ci      });
1431cb0ef41Sopenharmony_ci  });
1441cb0ef41Sopenharmony_ci});
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