pybackspacetest.java

来自「Python Development Environment (Python I」· Java 代码 · 共 297 行

package org.python.pydev.editor.actions;

import junit.framework.TestCase;

import org.eclipse.jface.text.Document;
import org.python.pydev.core.docutils.PySelection;
import org.python.pydev.editor.TestIndentPrefs;

public class PyBackspaceTest extends TestCase {
    
    public static void main(String[] args) {
        PyBackspaceTest test = new PyBackspaceTest();
        try {
            test.setUp();
            test.testBackspace16c();
            test.tearDown();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    
    private PyBackspace backspace;

    @Override
    protected void setUp() throws Exception {
        this.backspace = new PyBackspace();
        this.backspace.setIndentPrefs(new TestIndentPrefs(true, 4));
    }
    
    public void testBackspace() throws Exception {
        Document doc = new Document("a = 10");        
        PySelection ps = new PySelection(doc, 0, doc.getLength(), 0);

        backspace.perform(ps);
        assertEquals("a = 1", doc.get());
    }
    
    public void testBackspace2() throws Exception {
        Document doc = new Document("a = 10     ");        
        PySelection ps = new PySelection(doc, 0, doc.getLength(), 0);
        
        backspace.perform(ps);
        assertEquals("a = 10", doc.get());
    }
    
    public void testBackspace2a() throws Exception {
        this.backspace.setIndentPrefs(new TestIndentPrefs(false, 4));
        Document doc = new Document("a = 10\t\t");        
        PySelection ps = new PySelection(doc, 0, doc.getLength(), 0);
        
        backspace.perform(ps);
        assertEquals("a = 10", doc.get());
    }
    
    public void testBackspace3() throws Exception {
        Document doc = new Document("a =  10");        
        PySelection ps = new PySelection(doc, 0, 5, 0);
        
        backspace.perform(ps);
        assertEquals("a = 10", doc.get());
    }
    
    public void testBackspace3a() throws Exception {
        this.backspace.setIndentPrefs(new TestIndentPrefs(false, 4));
        Document doc = new Document("a =  10");        
        PySelection ps = new PySelection(doc, 0, 5, 0);
        
        backspace.perform(ps);
        assertEquals("a = 10", doc.get());
    }
    
    public void testBackspace4() throws Exception {
        Document doc = new Document("a =  10");        
        PySelection ps = new PySelection(doc, 0, 3, 2);
        
        backspace.perform(ps);
        assertEquals("a =10", doc.get());
    }
    
    public void testBackspace5() throws Exception {
        Document doc = new Document("a = 10");        
        PySelection ps = new PySelection(doc, 0, 0, 0);
        
        backspace.perform(ps);
        assertEquals("a = 10", doc.get());
    }
    
    public void testBackspace6() throws Exception {
        Document doc = new Document("a = 10\r\n");        
        PySelection ps = new PySelection(doc, 0, doc.getLength(), 0);
        
        backspace.perform(ps);
        assertEquals("a = 10", doc.get());
    }
    
    public void testBackspace7() throws Exception {
        Document doc = new Document("a = 10\n");        
        PySelection ps = new PySelection(doc, 0, doc.getLength(), 0);
        
        backspace.perform(ps);
        assertEquals("a = 10", doc.get());
    }
    
    public void testBackspace8() throws Exception {
        Document doc = new Document("a = 10\r");        
        PySelection ps = new PySelection(doc, 0, doc.getLength(), 0);
        
        backspace.perform(ps);
        assertEquals("a = 10", doc.get());
    }
    
    public void testBackspace9() throws Exception {
        Document doc = new Document("a = 10\r");        
        PySelection ps = new PySelection(doc, 0, doc.getLength(), 0);
        
        backspace.perform(ps);
        assertEquals("a = 10", doc.get());
    }
    
    public void testBackspace10() throws Exception {
        Document doc = new Document(
                "a = 10\n" +
                "    "
                );        
        PySelection ps = new PySelection(doc, 0, doc.getLength(), 0);
        
        backspace.perform(ps);
        assertEquals("a = 10\n", doc.get());
    }
    
    public void testBackspace10a() throws Exception {
        this.backspace.setIndentPrefs(new TestIndentPrefs(false, 4));
        Document doc = new Document(
                "a = 10\n" +
                "\t"
        );        
        PySelection ps = new PySelection(doc, 0, doc.getLength(), 0);
        
        backspace.perform(ps);
        assertEquals("a = 10\n", doc.get());
    }
    
    public void testBackspace11() throws Exception {
        Document doc = new Document(
                "a = 10\n" +
                "\t"
        );        
        PySelection ps = new PySelection(doc, 0, doc.getLength(), 0);
        
        backspace.perform(ps);
        assertEquals("a = 10\n", doc.get());
    }
    
    public void testBackspace12() throws Exception {
        Document doc = new Document(
                "a = 10\n" +
                "      "
        );        
        PySelection ps = new PySelection(doc, 0, doc.getLength(), 0);
        
        backspace.perform(ps);
        assertEquals("a = 10\n    ", doc.get());
    }
    
    public void testBackspace13() throws Exception {
        Document doc = new Document(
                "      a = 10"
        );        
        PySelection ps = new PySelection(doc, 0, 6, 0);
        
        backspace.perform(ps);
        assertEquals("    a = 10", doc.get());
    }
    
    public void testBackspace14() throws Exception {
        Document doc = new Document(
                "      a = 10  #comment"
        );        
        PySelection ps = new PySelection(doc, 0, 14, 0);
        
        backspace.perform(ps);
        assertEquals("      a = 10 #comment", doc.get());
    }
    
    public void testBackspace15() throws Exception {
        Document doc = new Document(
                "        "
        );        
        PySelection ps = new PySelection(doc, 0, 4, 0);
        
        backspace.perform(ps);
        assertEquals("    ", doc.get());
    }
    
    public void testBackspace16() throws Exception {
        Document doc = new Document(
                "          "
        );        
        PySelection ps = new PySelection(doc, 0, doc.getLength(), 0);
        
        backspace.perform(ps);
        assertEquals("        ", doc.get());
    }
    
    public void testBackspace16a() throws Exception {
        Document doc = new Document(
                "\t\t"
        );        
        PySelection ps = new PySelection(doc, 0, doc.getLength(), 0);
        
        backspace.perform(ps);
        assertEquals("\t", doc.get());
    }
    
    public void testBackspace16b() throws Exception {
        this.backspace.setIndentPrefs(new TestIndentPrefs(false, 4));
        Document doc = new Document(
                "\t\t"
        );        
        PySelection ps = new PySelection(doc, 0, doc.getLength(), 0);
        
        backspace.perform(ps);
        assertEquals("\t", doc.get());
    }
    
    public void testBackspace16c() throws Exception {
        this.backspace.setIndentPrefs(new TestIndentPrefs(true, 4));
        Document doc = new Document(
                "\t\t "
        );        
        PySelection ps = new PySelection(doc, 0, doc.getLength(), 0);
        
        backspace.perform(ps);
        assertEquals("\t\t", doc.get());
    }
    
    public void testBackspace16d() throws Exception {
        this.backspace.setIndentPrefs(new TestIndentPrefs(true, 4));
        Document doc = new Document(
                "\t\t  "
        );        
        PySelection ps = new PySelection(doc, 0, doc.getLength(), 0);
        
        backspace.perform(ps);
        assertEquals("\t\t", doc.get());
    }
    
    public void testBackspace17() throws Exception {
        Document doc = new Document(
                "ab(\n     "
        );        
        PySelection ps = new PySelection(doc, 0, 9, 0);
        
        backspace.perform(ps);
        assertEquals("ab(\n    ", doc.get());
    }
    
    public void testBackspace18() throws Exception {
        Document doc = new Document(
                "ab(\n    "
        );        
        PySelection ps = new PySelection(doc, 0, 8, 0);
        
        backspace.perform(ps);
        assertEquals(
                "ab(\n"+
                "   "
                , doc.get());
    }
    
    public void testBackspace19() throws Exception {
        Document doc = new Document(
                "a(\n    "
        );        
        PySelection ps = new PySelection(doc, 0, doc.getLength(), 0);
        
        backspace.perform(ps);
        assertEquals(
                "a(\n"+
                "  "
                , doc.get());
    }
    
    public void testBackspace20() throws Exception {
        Document doc = new Document(
                "a(\n  "
        );        
        PySelection ps = new PySelection(doc, 0, doc.getLength(), 0);
        
        backspace.perform(ps);
        assertEquals(
                "a(\n"+
                ""
                , doc.get());
    }
}