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<link rel="import" href="/base/math.html">

<script>
'use strict';

tr.b.unittest.testSuite(function() {
  test('clamping', function() {
    assert.equal(tr.b.clamp(2, 1, 3), 2);
    assert.equal(tr.b.clamp(1, 1, 3), 1);
    assert.equal(tr.b.clamp(0, 1, 3), 1);
    assert.equal(tr.b.clamp(3, 1, 3), 3);
    assert.equal(tr.b.clamp(4, 1, 3), 3);
  });

  test('interpolatePiecewiseFunction', function() {
    var points = [[0, 0], [0.1, 0.5], [1, 1]];
    assert.equal(0, vec2.interpolatePiecewiseFunction(points, -1));
    assert.equal(0, vec2.interpolatePiecewiseFunction(points, 0));
    assert.equal(0.25, vec2.interpolatePiecewiseFunction(points, 0.05));
    assert.equal(0.5, vec2.interpolatePiecewiseFunction(points, 0.1));
    assert.equal(0.75, vec2.interpolatePiecewiseFunction(points, 0.55));
    assert.equal(1, vec2.interpolatePiecewiseFunction(points, 1));
    assert.equal(1, vec2.interpolatePiecewiseFunction(points, 2));
  });
});
</script>