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"""Tests for shrink-to-fit algorithm."""
import pytest
from ..testing_utils import assert_no_logs, render_pages
@assert_no_logs
@pytest.mark.parametrize('margin_left', range(1, 10))
@pytest.mark.parametrize('font_size', range(1, 10))
def test_shrink_to_fit_floating_point_error_1(margin_left, font_size):
# See bugs #325 and #288, see commit fac5ee9.
page, = render_pages('''
<style>
@page { size: 100000px 100px }
p { float: left; margin-left: 0.%din; font-size: 0.%dem;
font-family: weasyprint }
</style>
<p>this parrot is dead</p>
''' % (margin_left, font_size))
html, = page.children
body, = html.children
p, = body.children
assert len(p.children) == 1
@assert_no_logs
@pytest.mark.parametrize('font_size', [1, 5, 10, 50, 100, 1000, 10000])
def test_shrink_to_fit_floating_point_error_2(font_size):
letters = 1
while True:
page, = render_pages('''
<style>
@page { size: %d0pt %d0px }
p { font-size: %dpt; font-family: weasyprint }
</style>
<p>mmm <b>%s a</b></p>
''' % (font_size, font_size, font_size, 'i' * letters))
html, = page.children
body, = html.children
p, = body.children
assert len(p.children) in (1, 2)
assert len(p.children[0].children) == 2
text = p.children[0].children[1].children[0].text
assert text
if text.endswith('i'):
letters = 1
break
else:
letters += 1
@assert_no_logs
def test_preferred_inline_zero_width_inline_block():
page, = render_pages('''
<style>
div { font: 2px weasyprint; float: left }
</style>
<div><span style="display: inline-block"></span> a</div>
''')
html, = page.children
body, = html.children
div, = body.children
assert div.width == 4
assert div.height == 2
@assert_no_logs
def test_preferred_inline_nested_trailing_spaces():
page, = render_pages('''
<style>
div { font: 2px weasyprint; float: left }
</style>
<div><span>a </span> </div>
''')
html, = page.children
body, = html.children
div, = body.children
assert div.width == 2
assert div.height == 2
@assert_no_logs
def test_preferred_inline_trailing_space_in_nested():
page, = render_pages('''
<style>
div { font: 2px weasyprint; float: left }
</style>
<div><span style="display: inline-block"></span><span><span>a</span> </span></div>
''')
html, = page.children
body, = html.children
div, = body.children
assert div.width == 2
assert div.height == 2
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