+/*
+ * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
+ * Copyright (C) $$Year-Rel$$ The Jalview Authors
+ *
+ * This file is part of Jalview.
+ *
+ * Jalview is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 3
+ * of the License, or (at your option) any later version.
+ *
+ * Jalview is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ * PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Jalview. If not, see <http://www.gnu.org/licenses/>.
+ * The Jalview Authors are detailed in the 'AUTHORS' file.
+ */
package jalview.util;
import static org.testng.Assert.assertEquals;
+import static org.testng.Assert.assertTrue;
+import jalview.gui.JvOptionPane;
+
+import org.testng.annotations.BeforeClass;
import org.testng.annotations.Test;
public class FormatTest
{
+
+ @BeforeClass(alwaysRun = true)
+ public void setUpJvOptionPane()
+ {
+ JvOptionPane.setInteractiveMode(false);
+ JvOptionPane.setMockResponse(JvOptionPane.CANCEL_OPTION);
+ }
+
@Test(groups = "Functional")
public void testAppendPercentage()
{
StringBuilder sb = new StringBuilder();
- Format.appendPercentage(sb, 123.456f, 0);
+ Format.appendPercentage(sb, 123.436f, 0);
assertEquals(sb.toString(), "123");
sb.setLength(0);
- Format.appendPercentage(sb, 123.456f, 1);
+ Format.appendPercentage(sb, 123.536f, 0);
+ assertEquals(sb.toString(), "124");
+
+ sb.setLength(0);
+ Format.appendPercentage(sb, 799.536f, 0);
+ assertEquals(sb.toString(), "800");
+
+ sb.setLength(0);
+ Format.appendPercentage(sb, 123.436f, 1);
assertEquals(sb.toString(), "123.4");
sb.setLength(0);
- Format.appendPercentage(sb, 123.456f, 2);
- assertEquals(sb.toString(), "123.45");
+ Format.appendPercentage(sb, 123.436f, 2);
+ assertEquals(sb.toString(), "123.44");
sb.setLength(0);
- Format.appendPercentage(sb, 123.456f, 3);
- assertEquals(sb.toString(), "123.456");
+ Format.appendPercentage(sb, 123.436f, 3);
+ assertEquals(sb.toString(), "123.436");
sb.setLength(0);
- Format.appendPercentage(sb, 123.456f, 4);
- assertEquals(sb.toString(), "123.4560");
+ Format.appendPercentage(sb, 123.436f, 4);
+ assertEquals(sb.toString(), "123.4360");
+ }
+
+ @Test(groups = "Functional")
+ public void testForm_float()
+ {
+ Format f = new Format("%3.2f");
+ assertEquals(f.form(123f), "123.00");
+ assertEquals(f.form(123.1f), "123.10");
+ assertEquals(f.form(123.12f), "123.12");
+ assertEquals(f.form(123.124f), "123.12");
+ assertEquals(f.form(123.125f), "123.13");
+ assertEquals(f.form(123.126f), "123.13");
+
+ f = new Format("%3.0f");
+ assertEquals(f.form(123f), "123.");
+ assertEquals(f.form(12f), "12.");
+ assertEquals(f.form(123.4f), "123.");
+ assertEquals(f.form(123.5f), "124.");
+ assertEquals(f.form(123.6f), "124.");
+ assertEquals(f.form(129.6f), "130.");
+ }
+
+ @Test(groups = "Functional")
+ public void testRepeat()
+ {
+ assertEquals(Format.repeat('a', 3), "aaa");
+ assertEquals(Format.repeat('b', 0), "");
+ assertEquals(Format.repeat('c', -1), "");
+ }
+
+ @Test(groups = "Functional")
+ public void testFormat_scientific()
+ {
+ Format f = new Format("%3.4e");
+ double d = 1d;
+ assertEquals(f.form(d), "1.0000e+000");
+ assertEquals(String.format("%3.4e", d), "1.0000e+00");
+
+ d = 12345678.12345678d;
+ assertEquals(f.form(d), "1.2346e+007");
+ assertEquals(String.format("%3.4e", d), "1.2346e+07");
+ }
+
+ /**
+ * Test that fails (in 2.10.1) with timeout as there is an infinite loop in
+ * Format.exp_format()
+ */
+ @Test(groups = "Functional", timeOut = 500)
+ public void testFormat_scientific_overflow()
+ {
+ Format f = new Format("%3.4e");
+ double d = 1.12E-310;
+ /*
+ * problem: exp_format() scales up 'd' to the range 1-10
+ * while computing a scaling factor, but this factor acquires
+ * the value Double.POSITIVE_INFINITY instead of 1.0E+309
+ * the value to be formatted is multipled by factor and becomes Infinity
+ * resulting in an infinite loop in the recursive call to exp_format()
+ */
+ assertEquals(f.form(d), "1.1200e-310");
+ }
+
+ /**
+ * This test shows that Format.form() is faster for this case than
+ * String.format()
+ */
+ @Test(groups = "Timing")
+ public void testFormat_scientificTiming()
+ {
+ Format f = new Format("%3.4e");
+ double d = 12345678.12345678d;
+
+ int iterations = 1000;
+ long start = System.currentTimeMillis();
+ for (int i = 0; i < iterations; i++)
+ {
+ f.form(d);
+ }
+ long stop = System.currentTimeMillis();
+ long elapsed1 = stop - start;
+ System.out
+ .println(iterations + " x Format.form took " + elapsed1 + "ms");
+
+ start = System.currentTimeMillis();
+ for (int i = 0; i < iterations; i++)
+ {
+ String.format("%3.4e", d);
+ }
+ stop = System.currentTimeMillis();
+ long elapsed2 = stop - start;
+ System.out.println(
+ iterations + " x String.format took " + elapsed2 + "ms");
+ assertTrue(elapsed2 > elapsed1);
}
}
git://source.jalview.org / jalview.git / blobdiff