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109 lines
4.6 KiB
C++
109 lines
4.6 KiB
C++
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/*
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* Copyright (c) 2023, Shannon Booth <shannon@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/MemoryStream.h>
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#include <LibDiff/Format.h>
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#include <LibDiff/Generator.h>
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#include <LibTest/TestCase.h>
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TEST_CASE(test_generate_unified_diff)
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{
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StringView old_text = R"(Viewport <#document> at (0,0) content-size 800x600 children: not-inline
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BlockContainer <html> at (0,0) content-size 800x600 [BFC] children: not-inline
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BlockContainer <body> at (8,8) content-size 784x150 children: not-inline
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BlockContainer <(anonymous)> at (8,8) content-size 784x0 children: inline
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TextNode <#text>
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TextNode <#text>
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BlockContainer <div> at (8,8) content-size 784x150 children: inline
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line 0 width: 300, height: 150, bottom: 150, baseline: 150
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frag 0 from SVGSVGBox start: 0, length: 0, rect: [8,8 300x150]
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TextNode <#text>
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SVGSVGBox <svg> at (8,8) content-size 300x150 [SVG] children: inline
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TextNode <#text>
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Box <use> at (8,8) content-size 0x0 children: inline
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Box <symbol#braces> at (8,8) content-size 0x0 children: inline
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TextNode <#text>
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SVGGeometryBox <path> at (92.375,26.75) content-size 131.25x112.15625 children: inline
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TextNode <#text>
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TextNode <#text>
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TextNode <#text>
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TextNode <#text>
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ViewportPaintable (Viewport<#document>) [0,0 800x600]
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PaintableWithLines (BlockContainer<HTML>) [0,0 800x600]
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PaintableWithLines (BlockContainer<BODY>) [8,8 784x150]
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PaintableWithLines (BlockContainer(anonymous)) [8,8 784x0]
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PaintableWithLines (BlockContainer<DIV>) [8,8 784x150]
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SVGSVGPaintable (SVGSVGBox<svg>) [8,8 300x150]
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PaintableBox (Box<use>) [8,8 0x0]
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PaintableBox (Box<symbol>#braces) [8,8 0x0]
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SVGGeometryPaintable (SVGGeometryBox<path>) [92.375,26.75 131.25x112.15625]
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)"sv;
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StringView new_text = R"(Viewport <#document> at (0,0) content-size 800x600 children: not-inline
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BlockContainer <html> at (0,0) content-size 800x600 [BFC] children: not-inline
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BlockContainer <body> at (8,8) content-size 784x150 children: not-inline
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BlockContainer <(anonymous)> at (8,8) content-size 784x0 children: inline
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TextNode <#text>
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TextNode <#text>
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BlockContainer <div> at (8,8) content-size 784x150 children: inline
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line 0 width: 300, height: 150, bottom: 150, baseline: 150
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frag 0 from SVGSVGBox start: 0, length: 0, rect: [8,8 300x150]
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TextNode <#text>
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SVGSVGBox <svg> at (8,8) content-size 300x150 [SVG] children: inline
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TextNode <#text>
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Box <use> at (8,8) content-size 0x0 children: not-inline
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TextNode <#text>
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TextNode <#text>
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ViewportPaintable (Viewport<#document>) [0,0 800x600]
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PaintableWithLines (BlockContainer<HTML>) [0,0 800x600]
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PaintableWithLines (BlockContainer<BODY>) [8,8 784x150]
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PaintableWithLines (BlockContainer(anonymous)) [8,8 784x0]
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PaintableWithLines (BlockContainer<DIV>) [8,8 784x150]
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SVGSVGPaintable (SVGSVGBox<svg>) [8,8 300x150]
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PaintableBox (Box<use>) [8,8 0x0]
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)"sv;
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auto result = MUST(Diff::from_text(old_text, new_text, 3));
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EXPECT_EQ(result.size(), 2U);
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auto hunk1_stream = make<AllocatingMemoryStream>();
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MUST(Diff::write_unified(result[0], *hunk1_stream));
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auto hunk1 = MUST(hunk1_stream->read_until_eof());
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EXPECT_EQ(StringView { hunk1 }, R"(@@ -10,12 +10,7 @@
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TextNode <#text>
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SVGSVGBox <svg> at (8,8) content-size 300x150 [SVG] children: inline
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TextNode <#text>
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- Box <use> at (8,8) content-size 0x0 children: inline
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- Box <symbol#braces> at (8,8) content-size 0x0 children: inline
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- TextNode <#text>
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- SVGGeometryBox <path> at (92.375,26.75) content-size 131.25x112.15625 children: inline
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- TextNode <#text>
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- TextNode <#text>
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+ Box <use> at (8,8) content-size 0x0 children: not-inline
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TextNode <#text>
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TextNode <#text>
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)"sv);
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auto hunk2_stream = make<AllocatingMemoryStream>();
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MUST(Diff::write_unified(result[1], *hunk2_stream));
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auto hunk2 = MUST(hunk2_stream->read_until_eof());
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EXPECT_EQ(StringView { hunk2 }, R"(@@ -26,6 +21,4 @@
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PaintableWithLines (BlockContainer<DIV>) [8,8 784x150]
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SVGSVGPaintable (SVGSVGBox<svg>) [8,8 300x150]
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PaintableBox (Box<use>) [8,8 0x0]
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- PaintableBox (Box<symbol>#braces) [8,8 0x0]
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- SVGGeometryPaintable (SVGGeometryBox<path>) [92.375,26.75 131.25x112.15625]
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)"sv);
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}
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