Bug 1465070 [wpt PR 11228] - Clamp argument to SVGGeometryElement.getPointAtLength to [0, length], a=testonly

Automatic update from web-platform-testsClamp argument to SVGGeometryElement.getPointAtLength to [0, length]

Per:

  https://svgwg.org/svg2-draft/types.html#__svg__SVGGeometryElement__getPointAtLength

Bug: 847198
Cq-Include-Trybots: master.tryserver.blink:linux_trusty_blink_rel;master.tryserver.chromium.linux:linux_layout_tests_slimming_paint_v2
Change-Id: I9067ce9f196453bd54560d5119ebc38d35c8ac86
Reviewed-on: https://chromium-review.googlesource.com/1075332
Reviewed-by: Stephen Chenney <schenney@chromium.org>
Commit-Queue: Fredrik Söderquist <fs@opera.com>
Cr-Commit-Position: refs/heads/master@{#562422}

--

wpt-commits: a0061d718ef5e40e7b8107ebb60818c4a1f262df
wpt-pr: 11228

testing/web-platform/meta/MANIFEST.json

@@ -369594,6 +369594,12 @@
      {}
     ]
    ],
+   "svg/types/scripted/SVGGeometryElement.getPointAtLength-01.svg": [
+    [
+     "/svg/types/scripted/SVGGeometryElement.getPointAtLength-01.svg",
+     {}
+    ]
+   ],
    "svg/types/scripted/SVGLength-px-with-context.html": [
     [
      "/svg/types/scripted/SVGLength-px-with-context.html",
@@ -608527,6 +608533,10 @@
    "dfc7ec677df247b015ef360793c7e5f0c926e45f",
    "testharness"
   ],
+  "svg/types/scripted/SVGGeometryElement.getPointAtLength-01.svg": [
+   "73c1c15179f02b637a68939ba08faa4f90af8e5b",
+   "testharness"
+  ],
   "svg/types/scripted/SVGLength-px-with-context.html": [
    "a605dba2368aa00a3cd3343739c05cdbbd930205",
    "testharness"

testing/web-platform/tests/svg/types/scripted/SVGGeometryElement.getPointAtLength-01.svg

@@ -0,0 +1,44 @@
+<svg xmlns="http://www.w3.org/2000/svg"
+     xmlns:xlink="http://www.w3.org/1999/xlink"
+     xmlns:html="http://www.w3.org/1999/xhtml">
+  <title>SVGGeometryElement.prototype.getPointAtLength clamps its argument to [0, length]</title>
+  <metadata>
+    <html:link rel="help" href="https://svgwg.org/svg2-draft/types.html#__svg__SVGGeometryElement__getPointAtLength"/>
+    <html:meta name="assert" content="SVGGeometryElement.prototype.getPointAtLength clamps its argument."/>
+  </metadata>
+  <g stroke="blue">
+    <line id="line" x1="50" y1="60" x2="100" y2="60"/>
+    <path id="path" d="M40,70L110,70"/>
+  </g>
+  <html:script src="/resources/testharness.js"/>
+  <html:script src="/resources/testharnessreport.js"/>
+  <script><![CDATA[
+  test(function() {
+    let line = document.getElementById('line');
+    let point = line.getPointAtLength(-10);
+    assert_equals(point.x, 50, 'starting x');
+    assert_equals(point.y, 60, 'starting y');
+  }, document.title+', less than zero (SVGLineElement).');
+  test(function() {
+    let path = document.getElementById('path');
+    let point = path.getPointAtLength(-10);
+    assert_equals(point.x, 40, 'starting x');
+    assert_equals(point.y, 70, 'starting y');
+  }, document.title+', less than zero (SVGPathElement).');
+
+  test(function() {
+    let line = document.getElementById('line');
+    assert_less_than(line.getTotalLength(), 80);
+    let point = line.getPointAtLength(80);
+    assert_equals(point.x, 100, 'ending x');
+    assert_equals(point.y, 60, 'ending y');
+  }, document.title+', greater than \'length\' (SVGLineElement).');
+  test(function() {
+    let path = document.getElementById('path');
+    assert_less_than(path.getTotalLength(), 80);
+    let point = path.getPointAtLength(80);
+    assert_equals(point.x, 110, 'ending x');
+    assert_equals(point.y, 70, 'ending y');
+  }, document.title+', greater than \'length\' (SVGPathElement).');
+  ]]></script>
+</svg>