Googletest export
Add files for GitHub Pages PiperOrigin-RevId: 358289110
This commit is contained in:
Abseil Team
Derek Mauro
parent
daa0df7b41
commit
d9c309fdab
1
docs/_config.yml
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1
docs/_config.yml
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title: GoogleTest
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25
docs/_data/navigation.yml
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docs/_data/navigation.yml
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nav:
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- section: "Guides"
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items:
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- title: "GoogleTest Primer"
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url: "/primer.html"
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- title: "Advanced Topics"
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url: "/advanced.html"
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- title: "Mocking for Dummies"
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url: "/gmock_for_dummies.html"
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- title: "Mocking Cookbook"
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url: "/gmock_cook_book.html"
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- title: "Mocking Cheat Sheet"
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url: "/gmock_cheat_sheet.html"
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- section: "References"
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items:
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- title: "Testing FAQ"
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url: "/faq.html"
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- title: "Mocking FAQ"
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url: "/gmock_faq.html"
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- title: "Code Samples"
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url: "/samples.html"
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- title: "Using pkg-config"
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url: "/pkgconfig.html"
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- title: "Community Documentation"
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url: "/community_created_documentation.html"
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53
docs/_layouts/default.html
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53
docs/_layouts/default.html
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<!DOCTYPE html>
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<html lang="{{ site.lang | default: "en-US" }}">
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<head>
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<meta charset="UTF-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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{% seo %}
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<link rel="stylesheet" href="{{ "/assets/css/style.css?v=" | append: site.github.build_revision | relative_url }}">
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</head>
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<body>
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<div class="sidebar">
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<div class="header">
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<h1><a href="{{ "/" | relative_url }}">{{ site.title | default: "Documentation" }}</a></h1>
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</div>
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<input type="checkbox" id="nav-toggle" class="nav-toggle">
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<label for="nav-toggle" class="expander">
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<span class="arrow"></span>
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</label>
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<nav>
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{% for item in site.data.navigation.nav %}
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<h2>{{ item.section }}</h2>
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<ul>
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{% for subitem in item.items %}
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<a href="{{subitem.url | relative_url }}">
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<li class="{% if subitem.url == page.url %}active{% endif %}">
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{{ subitem.title }}
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</li>
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</a>
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{% endfor %}
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</ul>
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{% endfor %}
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</nav>
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</div>
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<div class="main markdown-body">
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<div class="main-inner">
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{{ content }}
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</div>
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</div>
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<script src="https://cdnjs.cloudflare.com/ajax/libs/anchor-js/4.1.0/anchor.min.js" integrity="sha256-lZaRhKri35AyJSypXXs4o6OPFTbTmUoltBbDCbdzegg=" crossorigin="anonymous"></script>
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<script>anchors.add('.main h2, .main h3, .main h4, .main h5, .main h6');</script>
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{% if site.google_analytics %}
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<script>
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(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
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(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
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m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
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})(window,document,'script','//www.google-analytics.com/analytics.js','ga');
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ga('create', '{{ site.google_analytics }}', 'auto');
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ga('send', 'pageview');
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</script>
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{% endif %}
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</body>
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</html>
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193
docs/_sass/main.scss
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docs/_sass/main.scss
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// Styles for GoogleTest docs website on GitHub Pages.
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// Color variables are defined in
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// https://github.com/pages-themes/primer/tree/master/_sass/primer-support/lib/variables
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$sidebar-width: 260px;
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body {
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display: flex;
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margin: 0;
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}
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.sidebar {
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background: $black;
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color: $text-white;
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flex-shrink: 0;
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height: 100vh;
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overflow: auto;
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position: sticky;
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top: 0;
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width: $sidebar-width;
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}
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.sidebar h1 {
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font-size: 1.5em;
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}
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.sidebar h2 {
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color: $gray-light;
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font-size: 0.8em;
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font-weight: normal;
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margin-bottom: 0.8em;
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padding-left: 2.5em;
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text-transform: uppercase;
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}
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.sidebar .header {
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background: $black;
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padding: 2em;
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position: sticky;
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top: 0;
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width: 100%;
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}
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.sidebar .header a {
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color: $text-white;
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text-decoration: none;
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}
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.sidebar .nav-toggle {
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display: none;
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}
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.sidebar .expander {
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cursor: pointer;
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display: none;
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height: 3em;
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position: absolute;
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right: 1em;
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top: 1.5em;
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width: 3em;
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}
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.sidebar .expander .arrow {
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border: solid white;
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border-width: 0 3px 3px 0;
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display: block;
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height: 0.7em;
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margin: 1em auto;
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transform: rotate(45deg);
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transition: transform 0.5s;
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width: 0.7em;
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}
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.sidebar nav {
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width: 100%;
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}
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.sidebar nav ul {
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list-style-type: none;
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margin-bottom: 1em;
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padding: 0;
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&:last-child {
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margin-bottom: 2em;
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}
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a {
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text-decoration: none;
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}
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li {
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color: $text-white;
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padding-left: 2em;
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text-decoration: none;
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}
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li.active {
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background: $border-gray-darker;
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font-weight: bold;
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}
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li:hover {
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background: $border-gray-darker;
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}
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}
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.main {
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width: calc(100% - #{$sidebar-width});
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}
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.main .main-inner {
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margin: 2em;
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}
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.main table th {
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text-align: left;
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}
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.main .callout {
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border-left: 0.25em solid white;
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padding: 1em;
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a {
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text-decoration: underline;
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}
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&.important {
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background-color: $bg-yellow-light;
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border-color: $bg-yellow;
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color: $black;
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}
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&.note {
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background-color: $bg-blue-light;
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border-color: $text-blue;
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color: $text-blue;
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}
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&.tip {
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background-color: $green-000;
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border-color: $green-700;
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color: $green-700;
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}
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&.warning {
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background-color: $red-000;
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border-color: $text-red;
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color: $text-red;
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}
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}
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.main .good pre {
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background-color: $bg-green-light;
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}
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.main .bad pre {
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background-color: $red-000;
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}
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@media all and (max-width: 768px) {
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body {
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flex-direction: column;
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}
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.sidebar {
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height: auto;
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position: relative;
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width: 100%;
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}
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.sidebar .expander {
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display: block;
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}
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.sidebar nav {
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height: 0;
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overflow: hidden;
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}
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.sidebar .nav-toggle:checked {
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& ~ nav {
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height: auto;
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}
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& + .expander .arrow {
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transform: rotate(-135deg);
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}
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}
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.main {
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width: 100%;
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}
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}
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@ -26,6 +26,7 @@ SUCCEED();
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Generates a success. This does **NOT** make the overall test succeed. A test is
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considered successful only if none of its assertions fail during its execution.
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{: .callout .note}
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NOTE: `SUCCEED()` is purely documentary and currently doesn't generate any
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user-visible output. However, we may add `SUCCEED()` messages to googletest's
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output in the future.
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@ -52,6 +53,7 @@ switch(expression) {
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}
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```
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{: .callout .note}
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NOTE: you can only use `FAIL()` in functions that return `void`. See the
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[Assertion Placement section](#assertion-placement) for more information.
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@ -143,6 +145,7 @@ b is 4
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c is 10
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```
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{: .callout .note}
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> NOTE:
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>
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> 1. If you see a compiler error "no matching function to call" when using
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@ -508,6 +511,7 @@ any assertion inside of it.
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If changing the function's type is not an option, you should just use assertions
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that generate non-fatal failures, such as `ADD_FAILURE*` and `EXPECT_*`.
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{: .callout .note}
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NOTE: Constructors and destructors are not considered void-returning functions,
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according to the C++ language specification, and so you may not use fatal
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assertions in them; you'll get a compilation error if you try. Instead, either
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@ -515,6 +519,7 @@ call `abort` and crash the entire test executable, or put the fatal assertion in
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a `SetUp`/`TearDown` function; see
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[constructor/destructor vs. `SetUp`/`TearDown`](faq.md#CtorVsSetUp)
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{: .callout .warning}
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WARNING: A fatal assertion in a helper function (private void-returning method)
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called from a constructor or destructor does not terminate the current test, as
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your intuition might suggest: it merely returns from the constructor or
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@ -645,6 +650,7 @@ to be an expression.
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As usual, the `ASSERT` variants abort the current test function, while the
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`EXPECT` variants do not.
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{: .callout .note}
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> NOTE: We use the word "crash" here to mean that the process terminates with a
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> *non-zero* exit status code. There are two possibilities: either the process
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> has called `exit()` or `_exit()` with a non-zero value, or it may be killed by
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@ -720,6 +726,7 @@ necessary.
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### Death Test Naming
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{: .callout .important}
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IMPORTANT: We strongly recommend you to follow the convention of naming your
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**test suite** (not test) `*DeathTest` when it contains a death test, as
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demonstrated in the above example. The
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@ -901,6 +908,7 @@ handlers registered with `pthread_atfork(3)`.
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## Using Assertions in Sub-routines
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{: .callout .note}
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Note: If you want to put a series of test assertions in a subroutine to check
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for a complex condition, consider using
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[a custom GMock matcher](gmock_cook_book.md#NewMatchers)
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@ -1128,6 +1136,7 @@ will output XML like this:
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...
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```
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{: .callout .note}
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> NOTE:
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>
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> * `RecordProperty()` is a static member of the `Test` class. Therefore it
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@ -1215,6 +1224,7 @@ TEST_F(FooTest, Test2) {
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}
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```
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{: .callout .note}
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NOTE: Though the above code declares `SetUpTestSuite()` protected, it may
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sometimes be necessary to declare it public, such as when using it with
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`TEST_P`.
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@ -1302,6 +1312,7 @@ and `testing::WithParamInterface<T>`. `T` can be any copyable type. If it's a
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raw pointer, you are responsible for managing the lifespan of the pointed
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values.
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{: .callout .note}
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NOTE: If your test fixture defines `SetUpTestSuite()` or `TearDownTestSuite()`
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they must be declared **public** rather than **protected** in order to use
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`TEST_P`.
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@ -1368,6 +1379,7 @@ INSTANTIATE_TEST_SUITE_P(InstantiationName,
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testing::Values("meeny", "miny", "moe"));
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```
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{: .callout .note}
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NOTE: The code above must be placed at global or namespace scope, not at
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function scope.
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@ -1456,6 +1468,7 @@ the test parameters. The function should accept one argument of type
|
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returns the value of `testing::PrintToString(GetParam())`. It does not work for
|
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`std::string` or C strings.
|
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|
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{: .callout .note}
|
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NOTE: test names must be non-empty, unique, and may only contain ASCII
|
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alphanumeric characters. In particular, they
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[should not contain underscores](faq.md#why-should-test-suite-names-and-test-names-not-contain-underscore)
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@ -1794,6 +1807,7 @@ well, use one of the following macros instead:
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EXPECT_NONFATAL_FAILURE_ON_ALL_THREADS(statement, substring);
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```
|
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|
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{: .callout .note}
|
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NOTE: Assertions from multiple threads are currently not supported on Windows.
|
||||
|
||||
For technical reasons, there are some caveats:
|
||||
@ -2141,10 +2155,12 @@ class DISABLED_BarTest : public testing::Test { ... };
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TEST_F(DISABLED_BarTest, DoesXyz) { ... }
|
||||
```
|
||||
|
||||
{: .callout .note}
|
||||
NOTE: This feature should only be used for temporary pain-relief. You still have
|
||||
to fix the disabled tests at a later date. As a reminder, googletest will print
|
||||
a banner warning you if a test program contains any disabled tests.
|
||||
|
||||
{: .callout .tip}
|
||||
TIP: You can easily count the number of disabled tests you have using
|
||||
`grep`. This number can be used as a metric for
|
||||
improving your test quality.
|
||||
@ -2542,6 +2558,7 @@ could generate this report:
|
||||
}
|
||||
```
|
||||
|
||||
{: .callout .important}
|
||||
IMPORTANT: The exact format of the JSON document is subject to change.
|
||||
|
||||
### Controlling How Failures Are Reported
|
||||
|
||||
5
docs/assets/css/style.scss
Normal file
5
docs/assets/css/style.scss
Normal file
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||||
---
|
||||
---
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||||
|
||||
@import "jekyll-theme-primer";
|
||||
@import "main";
|
||||
@ -2,6 +2,7 @@
|
||||
|
||||
## Why should test suite names and test names not contain underscore?
|
||||
|
||||
{: .callout .note}
|
||||
Note: Googletest reserves underscore (`_`) for special purpose keywords, such as
|
||||
[the `DISABLED_` prefix](advanced.md#temporarily-disabling-tests), in addition
|
||||
to the following rationale.
|
||||
@ -129,6 +130,7 @@ can much more easily decide which one to use the next time.
|
||||
|
||||
## I got some run-time errors about invalid proto descriptors when using `ProtocolMessageEquals`. Help!
|
||||
|
||||
{: .callout .note}
|
||||
**Note:** `ProtocolMessageEquals` and `ProtocolMessageEquiv` are *deprecated*
|
||||
now. Please use `EqualsProto`, etc instead.
|
||||
|
||||
|
||||
@ -45,6 +45,7 @@ NaggyMock<MockFoo> naggy_foo; // The type is a subclass of MockFoo.
|
||||
StrictMock<MockFoo> strict_foo; // The type is a subclass of MockFoo.
|
||||
```
|
||||
|
||||
{: .callout .note}
|
||||
**Note:** A mock object is currently naggy by default. We may make it nice by
|
||||
default in the future.
|
||||
|
||||
@ -231,6 +232,7 @@ A **matcher** matches a *single* argument. You can use it inside `ON_CALL()` or
|
||||
| `EXPECT_THAT(actual_value, matcher)` | Asserts that `actual_value` matches `matcher`. |
|
||||
| `ASSERT_THAT(actual_value, matcher)` | The same as `EXPECT_THAT(actual_value, matcher)`, except that it generates a **fatal** failure. |
|
||||
|
||||
{: .callout .note}
|
||||
**Note:** Although equality matching via `EXPECT_THAT(actual_value,
|
||||
expected_value)` is supported, prefer to make the comparison explicit via
|
||||
`EXPECT_THAT(actual_value, Eq(expected_value))` or `EXPECT_EQ(actual_value,
|
||||
@ -576,6 +578,7 @@ value, and `foo` by reference.
|
||||
| :------------ | :----------------------------------------------------- |
|
||||
| `DoDefault()` | Do the default action (specified by `ON_CALL()` or the built-in one). |
|
||||
|
||||
{: .callout .note}
|
||||
**Note:** due to technical reasons, `DoDefault()` cannot be used inside a
|
||||
composite action - trying to do so will result in a run-time error.
|
||||
|
||||
|
||||
@ -4,6 +4,7 @@ You can find recipes for using gMock here. If you haven't yet, please read
|
||||
[the dummy guide](gmock_for_dummies.md) first to make sure you understand the
|
||||
basics.
|
||||
|
||||
{: .callout .note}
|
||||
**Note:** gMock lives in the `testing` name space. For readability, it is
|
||||
recommended to write `using ::testing::Foo;` once in your file before using the
|
||||
name `Foo` defined by gMock. We omit such `using` statements in this section for
|
||||
@ -43,7 +44,8 @@ generated method:
|
||||
Unprotected commas, i.e. commas which are not surrounded by parentheses, prevent
|
||||
`MOCK_METHOD` from parsing its arguments correctly:
|
||||
|
||||
```cpp {.bad}
|
||||
{: .bad}
|
||||
```cpp
|
||||
class MockFoo {
|
||||
public:
|
||||
MOCK_METHOD(std::pair<bool, int>, GetPair, ()); // Won't compile!
|
||||
@ -53,7 +55,8 @@ class MockFoo {
|
||||
|
||||
Solution 1 - wrap with parentheses:
|
||||
|
||||
```cpp {.good}
|
||||
{: .good}
|
||||
```cpp
|
||||
class MockFoo {
|
||||
public:
|
||||
MOCK_METHOD((std::pair<bool, int>), GetPair, ());
|
||||
@ -66,7 +69,8 @@ invalid C++. `MOCK_METHOD` removes the parentheses.
|
||||
|
||||
Solution 2 - define an alias:
|
||||
|
||||
```cpp {.good}
|
||||
{: .good}
|
||||
```cpp
|
||||
class MockFoo {
|
||||
public:
|
||||
using BoolAndInt = std::pair<bool, int>;
|
||||
@ -140,6 +144,7 @@ class MockFoo : public Foo {
|
||||
};
|
||||
```
|
||||
|
||||
{: .callout .note}
|
||||
**Note:** if you don't mock all versions of the overloaded method, the compiler
|
||||
will give you a warning about some methods in the base class being hidden. To
|
||||
fix that, use `using` to bring them in scope:
|
||||
@ -450,6 +455,7 @@ TEST(...) {
|
||||
}
|
||||
```
|
||||
|
||||
{: .callout .note}
|
||||
NOTE: `NiceMock` and `StrictMock` only affects *uninteresting* calls (calls of
|
||||
*methods* with no expectations); they do not affect *unexpected* calls (calls of
|
||||
methods with expectations, but they don't match). See
|
||||
@ -1502,6 +1508,7 @@ using ::testing::Matcher;
|
||||
|
||||
### Matchers must have no side-effects {#PureMatchers}
|
||||
|
||||
{: .callout .warning}
|
||||
WARNING: gMock does not guarantee when or how many times a matcher will be
|
||||
invoked. Therefore, all matchers must be *purely functional*: they cannot have
|
||||
any side effects, and the match result must not depend on anything other than
|
||||
@ -2377,6 +2384,7 @@ using ::testing::_;
|
||||
// second argument DoThis() receives.
|
||||
```
|
||||
|
||||
{: .callout .note}
|
||||
NOTE: The section below is legacy documentation from before C++ had lambdas:
|
||||
|
||||
Arghh, you need to refer to a mock function argument but C++ has no lambda
|
||||
@ -2729,6 +2737,7 @@ additional action to notify the `Notification` object. Now we can just call
|
||||
asynchronous call to finish. After that, our test suite is complete and we can
|
||||
safely exit.
|
||||
|
||||
{: .callout .note}
|
||||
Note: this example has a downside: namely, if the expectation is not satisfied,
|
||||
our test will run forever. It will eventually time-out and fail, but it will
|
||||
take longer and be slightly harder to debug. To alleviate this problem, you can
|
||||
@ -3008,6 +3017,7 @@ TEST(MyServerTest, ProcessesRequest) {
|
||||
} // server is destroyed when it goes out of scope here.
|
||||
```
|
||||
|
||||
{: .callout .tip}
|
||||
**Tip:** The `Mock::VerifyAndClearExpectations()` function returns a `bool` to
|
||||
indicate whether the verification was successful (`true` for yes), so you can
|
||||
wrap that function call inside a `ASSERT_TRUE()` if there is no point going
|
||||
@ -3324,6 +3334,7 @@ after typing `M-m`), or `M-up`/`M-down` to move back and forth between errors.
|
||||
|
||||
### Writing New Matchers Quickly {#NewMatchers}
|
||||
|
||||
{: .callout .warning}
|
||||
WARNING: gMock does not guarantee when or how many times a matcher will be
|
||||
invoked. Therefore, all matchers must be functionally pure. See
|
||||
[this section](#PureMatchers) for more details.
|
||||
@ -3427,6 +3438,7 @@ match succeeds in case of a success (unless it's obvious) - this is useful when
|
||||
the matcher is used inside `Not()`. There is no need to print the argument value
|
||||
itself, as gMock already prints it for you.
|
||||
|
||||
{: .callout .note}
|
||||
NOTE: The type of the value being matched (`arg_type`) is determined by the
|
||||
context in which you use the matcher and is supplied to you by the compiler, so
|
||||
you don't need to worry about declaring it (nor can you). This allows the
|
||||
@ -3664,6 +3676,7 @@ Expected: is divisible by 7
|
||||
Actual: 23 (the remainder is 2)
|
||||
```
|
||||
|
||||
{: .callout .tip}
|
||||
Tip: for convenience, `MatchAndExplain()` can take a `MatchResultListener*`
|
||||
instead of `std::ostream*`.
|
||||
|
||||
@ -3788,6 +3801,7 @@ PolymorphicMatcher<NotNullMatcher> NotNull() {
|
||||
EXPECT_CALL(foo, Bar(NotNull())); // The argument must be a non-NULL pointer.
|
||||
```
|
||||
|
||||
{: .callout .note}
|
||||
**Note:** Your polymorphic matcher class does **not** need to inherit from
|
||||
`MatcherInterface` or any other class, and its methods do **not** need to be
|
||||
virtual.
|
||||
|
||||
@ -334,6 +334,7 @@ says that the `turtle` object's `GetX()` method will be called five times, it
|
||||
will return 100 the first time, 150 the second time, and then 200 every time.
|
||||
Some people like to call this style of syntax a Domain-Specific Language (DSL).
|
||||
|
||||
{: .callout .note}
|
||||
**Note:** Why do we use a macro to do this? Well it serves two purposes: first
|
||||
it makes expectations easily identifiable (either by `grep` or by a human
|
||||
reader), and second it allows gMock to include the source file location of a
|
||||
@ -543,6 +544,7 @@ error, as the last matching expectation (#2) has been saturated. If, however,
|
||||
the third `Forward(10)` call is replaced by `Forward(20)`, then it would be OK,
|
||||
as now #1 will be the matching expectation.
|
||||
|
||||
{: .callout .note}
|
||||
**Note:** Why does gMock search for a match in the *reverse* order of the
|
||||
expectations? The reason is that this allows a user to set up the default
|
||||
expectations in a mock object's constructor or the test fixture's set-up phase
|
||||
@ -551,6 +553,7 @@ body. So, if you have two expectations on the same method, you want to put the
|
||||
one with more specific matchers **after** the other, or the more specific rule
|
||||
would be shadowed by the more general one that comes after it.
|
||||
|
||||
{: .callout .tip}
|
||||
**Tip:** It is very common to start with a catch-all expectation for a method
|
||||
and `Times(AnyNumber())` (omitting arguments, or with `_` for all arguments, if
|
||||
overloaded). This makes any calls to the method expected. This is not necessary
|
||||
|
||||
21
docs/index.md
Normal file
21
docs/index.md
Normal file
@ -0,0 +1,21 @@
|
||||
# GoogleTest User's Guide
|
||||
|
||||
## Welcome to GoogleTest!
|
||||
|
||||
GoogleTest is Google's C++ testing and mocking framework. This user's guide has
|
||||
the following contents:
|
||||
|
||||
* [GoogleTest Primer](primer) - Teaches you how to write simple tests using
|
||||
GoogleTest. Read this first if you are new to GoogleTest.
|
||||
* [GoogleTest Advanced](advanced) - Read this when you've finished the Primer
|
||||
and want to utilize GoogleTest to its full potential.
|
||||
* [GoogleTest Samples](samples) - Describes some GoogleTest samples.
|
||||
* [GoogleTest FAQ](faq) - Have a question? Want some tips? Check here first.
|
||||
* [Mocking for Dummies](gmock_for_dummies) - Teaches you how to create mock
|
||||
objects and use them in tests.
|
||||
* [Mocking Cookbook](gmock_cook_book) - Includes tips and approaches to common
|
||||
mocking use cases.
|
||||
* [Mocking Cheat Sheet](gmock_cheat_sheet) - A handy reference for matchers,
|
||||
actions, invariants, and more.
|
||||
* [Mocking FAQ](gmock_faq) - Contains answers to some mocking-specific
|
||||
questions.
|
||||
@ -44,6 +44,7 @@ minutes to learn the basics and get started. So let's go!
|
||||
|
||||
## Beware of the nomenclature
|
||||
|
||||
{: .callout .note}
|
||||
_Note:_ There might be some confusion arising from different definitions of the
|
||||
terms _Test_, _Test Case_ and _Test Suite_, so beware of misunderstanding these.
|
||||
|
||||
@ -460,6 +461,7 @@ When invoked, the `RUN_ALL_TESTS()` macro:
|
||||
|
||||
If a fatal failure happens the subsequent steps will be skipped.
|
||||
|
||||
{: .callout .important}
|
||||
> IMPORTANT: You must **not** ignore the return value of `RUN_ALL_TESTS()`, or
|
||||
> you will get a compiler error. The rationale for this design is that the
|
||||
> automated testing service determines whether a test has passed based on its
|
||||
@ -562,6 +564,7 @@ agree with you completely, and that's why Google Test provides a basic
|
||||
implementation of main(). If it fits your needs, then just link your test with
|
||||
the `gtest_main` library and you are good to go.
|
||||
|
||||
{: .callout .note}
|
||||
NOTE: `ParseGUnitFlags()` is deprecated in favor of `InitGoogleTest()`.
|
||||
|
||||
## Known Limitations
|
||||
|
||||
Loading…
Reference in New Issue
Block a user