acos-asin-atan-atan2-computed.html (4317B)
1 <!DOCTYPE html> 2 <link rel="help" href="https://drafts.csswg.org/css-values-4/#trig-funcs"> 3 <link rel="help" href="https://drafts.csswg.org/css-values-4/#numbers"> 4 <link rel="help" href="https://drafts.csswg.org/css-values-4/#calc-type-checking"> 5 <link rel="author" title="Apple Inc"> 6 <script src="/resources/testharness.js"></script> 7 <script src="/resources/testharnessreport.js"></script> 8 <script src="../support/numeric-testcommon.js"></script> 9 <div id="target"></div> 10 <script> 11 function test_angle_equals(value, expected) { 12 test_math_used(value, expected, {type: "angle"}); 13 } 14 // Simple tests 15 test_angle_equals('acos(1)', '0deg'); 16 test_angle_equals('atan(0)', '0deg'); 17 test_angle_equals('asin(0)', '0deg'); 18 test_angle_equals('atan2(0,0)', '0deg'); 19 20 // Test pi 21 test_math_used('calc(asin(sin(pi/2)))', '90deg', {type:'angle', approx:0.1}); 22 test_math_used('calc(acos(cos(pi - 3.14159265358979323846)))', '0deg', {type:'angle', approx:0.1}); 23 24 // Test e 25 test_math_used('calc(atan(e - 2.7182818284590452354) )', '0deg', {type:'angle', approx:0.1}); 26 27 // General calculations 28 test_math_used('calc(asin(sin(30deg + 1.0471967rad ) ))', '90deg', {type:'angle', approx:0.1}); 29 test_math_used('calc(acos(cos(30deg - 0.523599rad ) ))', '0deg'), {type:'angle', approx:0.1}; 30 test_math_used('calc(asin(sin(3.14159 / 2 + 1 - 1) ))', '90deg', {type:'angle', approx:0.1}); 31 test_math_used('calc(asin(sin(100grad) ))', '90deg', {type:'angle', approx:0.1}); 32 test_math_used('calc(acos(cos(0 / 2 + 1 - 1) ))', '0deg', {type:'angle', approx:0.1}); 33 test_math_used('calc(atan(tan(30deg + 0.261799rad ) ))', '45deg', {type:'angle', approx:0.1}); 34 test_math_used('calc(atan(tan(0.7853975rad ) ))', '45deg', {type:'angle', approx:0.1}); 35 test_math_used('calc(atan(tan(3.14159 / 4 + 1 - 1) ))', '45deg', {type:'angle', approx:0.1}); 36 test_math_used('calc(asin(sin(0.25turn)) )', '90deg', {type:'angle', approx:0.1}); 37 test_math_used('calc(atan2(0,1))', '0deg', {type:'angle', approx:0.1}); 38 test_math_used('calc(atan2(0,-1) / 4)', '45deg', {type:'angle', approx:0.1}); // atan2(0,-1) equals 180deg, result is divided to avoid ambiguity with -180deg 39 test_math_used('calc(atan2(1,-1))', '135deg', {type:'angle', approx:0.1}); 40 test_math_used('calc(atan2(-1,1))', '-45deg', {type:'angle', approx:0.1}); 41 42 // Test unresolved at parse time 43 test_math_used('calc(asin(sin(180deg * sibling-index())))', '0deg', {type:'angle', approx:0.1}); 44 test_math_used('calc(acos(cos(180deg * sibling-index())))', '180deg', {type:'angle', approx:0.1}); 45 test_math_used('calc(atan(tan(180deg * sibling-index())))', '0deg', {type:'angle', approx:0.1}); 46 47 // Test nesting 48 test_math_used('calc(cos(sin(acos(cos(pi)))))', '1', {type:'number', approx:0.1}); 49 50 // Test types for atan2 51 test_math_used('atan2(1px, -1px)', '135deg', {type:'angle', approx:0.1}); 52 test_math_used('atan2(1cm, -1cm)', '135deg', {type:'angle', approx:0.1}); 53 test_math_used('atan2(1mm, -1mm)', '135deg', {type:'angle', approx:0.1}); 54 test_math_used('atan2(1Q, -1Q)', '135deg', {type:'angle', approx:0.1}); 55 test_math_used('atan2(1in, -1in)', '135deg', {type:'angle', approx:0.1}); 56 test_math_used('atan2(1pc, -1pc)', '135deg', {type:'angle', approx:0.1}); 57 test_math_used('atan2(1pt, -1pt)', '135deg', {type:'angle', approx:0.1}); 58 test_math_used('atan2(1em, -1em)', '135deg', {type:'angle', approx:0.1}); 59 test_math_used('atan2(1ex, -1ex)', '135deg', {type:'angle', approx:0.1}); 60 test_math_used('atan2(1ch, -1ch)', '135deg', {type:'angle', approx:0.1}); 61 test_math_used('atan2(1rem, -1rem)', '135deg', {type:'angle', approx:0.1}); 62 test_math_used('atan2(1rem + 1px - 1px, -1rem)', '135deg', {type:'angle', approx:0.1}); 63 test_math_used('atan2(1vh, -1vh)', '135deg', {type:'angle', approx:0.1}); 64 test_math_used('atan2(1vh + 0px, -1vh + 0px)', '135deg', {type:'angle', approx:0.1}); 65 test_math_used('atan2(1vw, -1vw)', '135deg', {type:'angle', approx:0.1}); 66 test_math_used('atan2(1deg, -1deg)', '135deg', {type:'angle', approx:0.1}); 67 test_math_used('atan2(1grad, -1grad)', '135deg', {type:'angle', approx:0.1}); 68 test_math_used('atan2(1turn, -1turn)', '135deg', {type:'angle', approx:0.1}); 69 test_math_used('atan2(1rad, -1rad)', '135deg', {type:'angle', approx:0.1}); 70 test_math_used('atan2(1s, -1s)', '135deg', {type:'angle', approx:0.1}); 71 test_math_used('atan2(1ms, -1ms)', '135deg', {type:'angle', approx:0.1}); 72 73 </script>