archiveutilstest.html

用JAVA编写的,在做实验的时候留下来的,本来想删的,但是传上来,大家分享吧

<a name="107" href="#107">107</a>         assertEquals(<span class="string">"first twelve digits same as date12"</span>, date12, date14.substring(0, 12));
<a name="108" href="#108">108</a>         <strong>final</strong> String date17 = ArchiveUtils.get17DigitDate(now);
<a name="109" href="#109">109</a>         assertEquals(<span class="string">"17 digits"</span>, 17, date17.length());
<a name="110" href="#110">110</a>         assertEquals(<span class="string">"first twelve digits same as date12"</span>, date12, date17.substring(0, 12));
<a name="111" href="#111">111</a>         assertEquals(<span class="string">"first fourteen digits same as date14"</span>, date14, date17.substring(0, 14));
<a name="112" href="#112">112</a>     }
<a name="113" href="#113">113</a> 
<a name="114" href="#114">114</a>     <em>/**<em>*</em></em>
<a name="115" href="#115">115</a> <em>     * Check that parseXXDigitDate() works</em>
<a name="116" href="#116">116</a> <em>     *</em>
<a name="117" href="#117">117</a> <em>     * @throws ParseException</em>
<a name="118" href="#118">118</a> <em>     */</em>
<a name="119" href="#119">119</a>     <strong>public</strong> <strong>void</strong> testParseXXDigitDate() throws ParseException {
<a name="120" href="#120">120</a>         <em class="comment">// given a date, check it get resolved properly</em>
<a name="121" href="#121">121</a>         <em class="comment">// It's 02 Jan 2004, 12:40:02.111</em>
<a name="122" href="#122">122</a>         <strong>final</strong> String date = <span class="string">"20040102124002111"</span>;
<a name="123" href="#123">123</a>         <strong>try</strong> {
<a name="124" href="#124">124</a>             <strong>final</strong> <strong>long</strong> <strong>long</strong>12 = ArchiveUtils.parse12DigitDate(date.substring(0, 12)).getTime();
<a name="125" href="#125">125</a>             <strong>final</strong> <strong>long</strong> <strong>long</strong>14 = ArchiveUtils.parse14DigitDate(date.substring(0, 14)).getTime();
<a name="126" href="#126">126</a>             <strong>final</strong> <strong>long</strong> <strong>long</strong>17 = ArchiveUtils.parse17DigitDate(date).getTime();
<a name="127" href="#127">127</a> 
<a name="128" href="#128">128</a>             assertClose(<span class="string">"12 and 14 close"</span>, <strong>long</strong>12, <strong>long</strong>14, 600000);
<a name="129" href="#129">129</a>             assertClose(<span class="string">"12 and 17 close"</span>, <strong>long</strong>12, <strong>long</strong>17, 600000);
<a name="130" href="#130">130</a>             assertClose(<span class="string">"14 and 17 close"</span>, <strong>long</strong>14, <strong>long</strong>17, 600000);
<a name="131" href="#131">131</a>         } <strong>catch</strong> (ParseException e) {
<a name="132" href="#132">132</a>             fail(<span class="string">"Could not parse a date : "</span> + e.getMessage());
<a name="133" href="#133">133</a>         }
<a name="134" href="#134">134</a>     }
<a name="135" href="#135">135</a> 
<a name="136" href="#136">136</a>     <em>/**<em>* check that parse12DigitDate doesn't accept a bad date */</em></em>
<a name="137" href="#137">137</a>     <strong>public</strong> <strong>void</strong> testBad12Date() {
<a name="138" href="#138">138</a>         <em class="comment">// now try a badly formed dates</em>
<a name="139" href="#139">139</a>         assertBad12DigitDate(<span class="string">"a-stringy-digit-date"</span>);
<a name="140" href="#140">140</a>         assertBad12DigitDate(<span class="string">"20031201"</span>); <em class="comment">// too short</em>
<a name="141" href="#141">141</a>     }
<a name="142" href="#142">142</a> 
<a name="143" href="#143">143</a>     <em>/**<em>*</em></em>
<a name="144" href="#144">144</a> <em>     * check that parse14DigitDate doesn't accept a bad date</em>
<a name="145" href="#145">145</a> <em>     */</em>
<a name="146" href="#146">146</a>     <strong>public</strong> <strong>void</strong> testBad14Date() {
<a name="147" href="#147">147</a>         <em class="comment">// now try a badly formed dates</em>
<a name="148" href="#148">148</a>         assertBad14DigitDate(<span class="string">"a-stringy-digit-date"</span>);
<a name="149" href="#149">149</a>         assertBad14DigitDate(<span class="string">"20031201"</span>); <em class="comment">// too short</em>
<a name="150" href="#150">150</a>         assertBad14DigitDate(<span class="string">"200401021240"</span>);  <em class="comment">// 12 digit</em>
<a name="151" href="#151">151</a>     }
<a name="152" href="#152">152</a>     <em>/**<em>*</em></em>
<a name="153" href="#153">153</a> <em>     * check that parse12DigitDate doesn't accept a bad date</em>
<a name="154" href="#154">154</a> <em>     */</em>
<a name="155" href="#155">155</a>     <strong>public</strong> <strong>void</strong> testBad17Date() {
<a name="156" href="#156">156</a>         <em class="comment">// now try a badly formed dates</em>
<a name="157" href="#157">157</a>         assertBad17DigitDate(<span class="string">"a-stringy-digit-date"</span>);
<a name="158" href="#158">158</a>         assertBad17DigitDate(<span class="string">"20031201"</span>); <em class="comment">// too short</em>
<a name="159" href="#159">159</a>         assertBad17DigitDate(<span class="string">"200401021240"</span>);  <em class="comment">// 12 digit</em>
<a name="160" href="#160">160</a>         assertBad17DigitDate(<span class="string">"20040102124002"</span>);  <em class="comment">// 14 digit</em>
<a name="161" href="#161">161</a>     }
<a name="162" href="#162">162</a> 
<a name="163" href="#163">163</a>     <em>/**<em>* check that padTo(String) works */</em></em>
<a name="164" href="#164">164</a>     <strong>public</strong> <strong>void</strong> testPadToString() {
<a name="165" href="#165">165</a>         assertEquals(<span class="string">"pad to one (smaller)"</span>, <span class="string">"foo"</span>, ArchiveUtils.padTo(<span class="string">"foo"</span>, 1));
<a name="166" href="#166">166</a>         assertEquals(<span class="string">"pad to 0 (no sense)"</span>, <span class="string">"foo"</span>, ArchiveUtils.padTo(<span class="string">"foo"</span>, 0));
<a name="167" href="#167">167</a>         assertEquals(<span class="string">"pad to neg (nonsense)"</span>, <span class="string">"foo"</span>, ArchiveUtils.padTo(<span class="string">"foo"</span>, 0));
<a name="168" href="#168">168</a>         assertEquals(<span class="string">"pad to 4"</span>, <span class="string">" foo"</span>, ArchiveUtils.padTo(<span class="string">"foo"</span>, 4));
<a name="169" href="#169">169</a>         assertEquals(<span class="string">"pad to 10"</span>, <span class="string">"       foo"</span>, ArchiveUtils.padTo(<span class="string">"foo"</span>, 10));
<a name="170" href="#170">170</a>     }
<a name="171" href="#171">171</a> 
<a name="172" href="#172">172</a>     <em>/**<em>*</em></em>
<a name="173" href="#173">173</a> <em>     * check that padTo(int) works</em>
<a name="174" href="#174">174</a> <em>     */</em>
<a name="175" href="#175">175</a>     <strong>public</strong> <strong>void</strong> testPadToInt() {
<a name="176" href="#176">176</a>         assertEquals(<span class="string">"pad to one (smaller)"</span>, <span class="string">"123"</span>, ArchiveUtils.padTo(123, 1));
<a name="177" href="#177">177</a>         assertEquals(<span class="string">"pad to 0 (no sense)"</span>, <span class="string">"123"</span>, ArchiveUtils.padTo(123, 0));
<a name="178" href="#178">178</a>         assertEquals(<span class="string">"pad to neg (nonsense)"</span>, <span class="string">"123"</span>, ArchiveUtils.padTo(123, 0));
<a name="179" href="#179">179</a>         assertEquals(<span class="string">"pad to 4"</span>, <span class="string">" 123"</span>, ArchiveUtils.padTo(123, 4));
<a name="180" href="#180">180</a>         assertEquals(<span class="string">"pad to 10"</span>, <span class="string">"       123"</span>, ArchiveUtils.padTo(123, 10));
<a name="181" href="#181">181</a>         assertEquals(<span class="string">"pad -123 to 10"</span>, <span class="string">"      -123"</span>, ArchiveUtils.padTo(-123, 10));
<a name="182" href="#182">182</a>     }
<a name="183" href="#183">183</a> 
<a name="184" href="#184">184</a>     <em>/**<em>* check that byteArrayEquals() works */</em></em>
<a name="185" href="#185">185</a>     <strong>public</strong> <strong>void</strong> testByteArrayEquals() {
<a name="186" href="#186">186</a>         <em class="comment">// foo == foo2, foo != bar, foo != bar2</em>
<a name="187" href="#187">187</a>         byte[] foo = <strong>new</strong> byte[10], bar = <strong>new</strong> byte[20];
<a name="188" href="#188">188</a>         byte[] foo2 = <strong>new</strong> byte[10], bar2 = <strong>new</strong> byte[10];
<a name="189" href="#189">189</a> 
<a name="190" href="#190">190</a>         <strong>for</strong> (byte i = 0; i &lt; 10 ; ++i) {
<a name="191" href="#191">191</a>             foo[i] = foo2[i] = bar[i] = i;
<a name="192" href="#192">192</a>             bar2[i] = (byte)(01 + i);
<a name="193" href="#193">193</a>         }
<a name="194" href="#194">194</a>         assertTrue(<span class="string">"two nulls"</span>, ArchiveUtils.byteArrayEquals(<strong>null</strong>, <strong>null</strong>));
<a name="195" href="#195">195</a>         assertFalse(<span class="string">"lhs null"</span>, ArchiveUtils.byteArrayEquals(<strong>null</strong>, foo));
<a name="196" href="#196">196</a>         assertFalse(<span class="string">"rhs null"</span>, ArchiveUtils.byteArrayEquals(foo, <strong>null</strong>));
<a name="197" href="#197">197</a> 
<a name="198" href="#198">198</a>         <em class="comment">// now check with same length, with same (foo2) and different (bar2)</em>
<a name="199" href="#199">199</a>         <em class="comment">// contents</em>
<a name="200" href="#200">200</a>         assertFalse(<span class="string">"different lengths"</span>, ArchiveUtils.byteArrayEquals(foo, bar));
<a name="201" href="#201">201</a> 
<a name="202" href="#202">202</a>         assertTrue(<span class="string">"same to itself"</span>, ArchiveUtils.byteArrayEquals(foo, foo));
<a name="203" href="#203">203</a>         assertTrue(<span class="string">"same contents"</span>, ArchiveUtils.byteArrayEquals(foo, foo2));
<a name="204" href="#204">204</a>         assertFalse(<span class="string">"different contents"</span>, ArchiveUtils.byteArrayEquals(foo, bar2));
<a name="205" href="#205">205</a>     }
<a name="206" href="#206">206</a> 
<a name="207" href="#207">207</a>     <em>/**<em>* test doubleToString() */</em></em>
<a name="208" href="#208">208</a>     <strong>public</strong> <strong>void</strong> testDoubleToString(){
<a name="209" href="#209">209</a>         <strong>double</strong> test = 12.345;
<a name="210" href="#210">210</a>         assertTrue(
<a name="211" href="#211">211</a>             <span class="string">"cecking zero precision"</span>,
<a name="212" href="#212">212</a>             ArchiveUtils.doubleToString(test, 0).equals(<span class="string">"12"</span>));
<a name="213" href="#213">213</a>         assertTrue(
<a name="214" href="#214">214</a>             <span class="string">"cecking 2 character precision"</span>,
<a name="215" href="#215">215</a>             ArchiveUtils.doubleToString(test, 2).equals(<span class="string">"12.34"</span>));
<a name="216" href="#216">216</a>         assertTrue(
<a name="217" href="#217">217</a>             <span class="string">"cecking precision higher then the double has"</span>,
<a name="218" href="#218">218</a>             ArchiveUtils.doubleToString(test, 65).equals(<span class="string">"12.345"</span>));
<a name="219" href="#219">219</a>     }
<a name="220" href="#220">220</a> 
<a name="221" href="#221">221</a>     <strong>public</strong> <strong>void</strong> testFormatBytesForDisplay(){