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lars |
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<?php
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class TestPagebreak extends GenericTest {
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// Page break between text lines
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function testPagebreakText1() {
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$media = new Media(array('width' => 100, 'height' => 100),
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array('top'=>0, 'bottom'=>0, 'left'=>0, 'right'=>0));
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$tree = $this->runPipeline(file_get_contents('test.pagebreak.text.1.html'), $media);
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/**
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* Calculate page heights
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*/
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$page_heights = PageBreakLocator::getPages($tree,
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mm2pt($media->real_height()),
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mm2pt($media->height() - $media->margins['top']));
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$first_div = $tree->get_element_by_id('first');
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$second_div = $tree->get_element_by_id('second');
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$this->assertEqual(count($page_heights), 2,
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sprintf("Two pages expected, got %s",
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count($page_heights)));
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$this->assertTrue($page_heights[0] <= mm2pt($media->real_height()),
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sprintf("Page height (%s) is greater than media height (%s)",
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$page_heights[0],
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mm2pt($media->real_height())));
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$this->assertEqual($page_heights[1],
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mm2pt($media->real_height()),
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sprintf("Second page height (%s) should be equal to media height (%s)",
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$page_heights[1],
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mm2pt($media->real_height())));
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$this->assertWithinMargin($page_heights[0],
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$first_div->get_full_height(),
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0.01,
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sprintf("First page (height %s) should contain 'first' DIV (height %s); media height is %s",
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$page_heights[0],
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$first_div->get_full_height(),
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mm2pt($media->real_height())));
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$this->assertEqual($page_heights[1] >= $second_div->get_full_height(),
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sprintf("Second page (height %s) should contain 'second' DIV (height %s)",
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$page_heights[1],
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$second_div->get_full_height()));
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}
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// page-break-inside: avoid
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function testPagebreakText2() {
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$media = new Media(array('width' => 100, 'height' => 300),
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array('top'=>0, 'bottom'=>0, 'left'=>0, 'right'=>0));
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$tree = $this->runPipeline(file_get_contents('test.pagebreak.text.2.html'), $media);
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/**
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* Calculate page heights
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*/
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$page_heights = PageBreakLocator::getPages($tree,
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mm2pt($media->real_height()),
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mm2pt($media->height() - $media->margins['top']));
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$first_div = $tree->get_element_by_id('first');
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$second_div = $tree->get_element_by_id('second');
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$third_div = $tree->get_element_by_id('third');
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$this->assertEqual(count($page_heights), 2,
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sprintf("2 pages expected, got %s",
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count($page_heights)));
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$this->assertWithinMargin($page_heights[0],
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$first_div->get_full_height(),
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0.01,
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sprintf("First page (height %s) should contain only 'first' DIV (height %s); media height is %s",
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$page_heights[0],
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$first_div->get_full_height(),
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mm2pt($media->real_height())));
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}
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// page-break-after: avoid
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function testPagebreakText3() {
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$media = new Media(array('width' => 100, 'height' => 300),
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array('top'=>0, 'bottom'=>0, 'left'=>0, 'right'=>0));
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$tree = $this->runPipeline('
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<html>
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<head>
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<style type="text/css">
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body { font-size: 20mm; line-height: 1; width: 4em; padding: 0; margin: 0; orphans: 0; widows: 0; }
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#wrap { width: 2em; }
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#first { line-height: 1; page-break-after: avoid; }
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#second { line-height: 1; page-break-inside: avoid; }
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#third { line-height: 1; }
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</style>
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</head>
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<body>
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<div id="wrap">
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<div id="first">
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LINE1
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LINE2
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LINE3
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LINE4
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LINE5
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LINE6
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LINE7
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LINE8
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LINE9
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LINE10
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LINE11
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LINE12
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LINE13
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</div><!--Page break should be here-->
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<div id="second">
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LINE1
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LINE2
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LINE3
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</div>
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<div id="third">
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LINE1
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LINE2
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LINE3
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</div>
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</div>
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</body>
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</html>
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', $media);
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/**
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* Calculate page heights
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*/
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$page_heights = PageBreakLocator::getPages($tree,
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mm2pt($media->real_height()),
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mm2pt($media->height() - $media->margins['top']));
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$first_div = $tree->get_element_by_id('first');
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$second_div = $tree->get_element_by_id('second');
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$third_div = $tree->get_element_by_id('third');
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$this->assertEqual(count($page_heights), 2,
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sprintf("2 pages expected, got %s",
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count($page_heights)));
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$this->assertWithinMargin($page_heights[0],
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$first_div->get_full_height() - mm2pt(20),
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0.01);
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}
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// page-break-before: avoid
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function testPagebreakText4() {
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$media = new Media(array('width' => 100, 'height' => 300),
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array('top'=>0, 'bottom'=>0, 'left'=>0, 'right'=>0));
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$tree = $this->runPipeline('
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<html>
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<head>
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<style type="text/css">
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body { font-size: 20mm; line-height: 1; padding: 0; margin: 0; orphans: 0; widows: 0; }
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#wrap { width: 2em; }
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#first { line-height: 1; }
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#second { line-height: 1; page-break-before: avoid; page-break-inside: avoid; }
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#third { line-height: 1; }
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</style>
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</head>
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<body>
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<div id="wrap">
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<div id="first">
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LINE1
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LINE2
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LINE3
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LINE4
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LINE5
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LINE6
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LINE7
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LINE8
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LINE9
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LINE10
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LINE11
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LINE12
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LINE13
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</div><!--Page break should be here-->
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<div id="second">
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LINE1
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LINE2
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LINE3
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</div>
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<div id="third">
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LINE1
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LINE2
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LINE3
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</div>
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</div>
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</body>
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</html>
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', $media);
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/**
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* Calculate page heights
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*/
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$page_heights = PageBreakLocator::getPages($tree,
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mm2pt($media->real_height()),
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mm2pt($media->height() - $media->margins['top']));
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$first_div = $tree->get_element_by_id('first');
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$second_div = $tree->get_element_by_id('second');
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$third_div = $tree->get_element_by_id('third');
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$this->assertEqual(count($page_heights), 2,
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sprintf("2 pages expected, got %s",
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count($page_heights)));
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$this->assertWithinMargin($page_heights[0],
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$first_div->get_full_height() - mm2pt(20),
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0.01);
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}
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}
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?>
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