Examples of groovy.lang.GString

groovy.lang.GString
Represents a String which contains embedded values such as "hello there ${user} how are you?" which can be evaluated lazily. Advanced users can iterate over the text and values to perform special processing, such as for performing SQL operations, the values can be substituted for ? and the actual value objects can be bound to a JDBC statement. The lovely name of this class was suggested by Jules Gosnell and was such a good idea, I couldn't resist :) @author James Strachan @version $Revision: 13355 $


        assertEquals("Should have just 1 item left: " + list, 1, list.size());
    }


    public void testCoerceGStringToString() throws Throwable {
        GString param = new GString(new Object[]{"James"}) {
            public String[] getStrings() {
                return new String[]{"Hello "};
            }
        };
        Object value = invoke(this, "methodTakesString", new Object[]{param});
        assertEquals("converted GString to string", param.toString(), value);
    }

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        Object value = invoke(this, "methodTakesString", new Object[]{param});
        assertEquals("converted GString to string", param.toString(), value);
    }


    public void testCoerceGStringToStringOnGetBytes() throws Throwable {
        GString param = new GString(new Object[]{"US-ASCII"}) {
            public String[] getStrings() {
                return new String[]{""};
            }
        };
        Object value = invoke("test", "getBytes", new Object[]{param});

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        assertAsBoolean(true, "TRUE");
        assertAsBoolean(true, "false");
        assertAsBoolean(false, Boolean.FALSE);
        assertAsBoolean(false, (String) null);
        assertAsBoolean(false, "");
        GString emptyGString = new GString(new Object[]{""}) {
            public String[] getStrings() {
                return new String[]{""};
            }
        };
        assertAsBoolean(false, emptyGString);
        GString nonEmptyGString = new GString(new Object[]{"x"}) {
            public String[] getStrings() {
                return new String[]{"x"};
            }
        };
        assertAsBoolean(true, nonEmptyGString);

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    public void testInvokeConstructorOneParamWhichIsNull() throws Throwable {
        assertConstructor(new DummyBean("Bob", new Integer(1707)), new Object[]{"Bob", new Integer(1707)});
    }


    public void testConstructorWithGStringCoercion() throws Throwable {
        GString gstring = new GString(new Object[]{new Integer(123)}) {
            public String[] getStrings() {
                return new String[]{""};
            }
        };


        Object expected = new Long(gstring.toString());


        assertConstructor(expected, new Object[]{gstring});
    }

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        assertEquals("Should have just 1 item left: " + list, 1, list.size());
    }


    public void testCoerceGStringToString() throws Throwable {
        GString param = new GString(new Object[]{"James"}) {
            public String[] getStrings() {
                return new String[]{"Hello "};
            }
        };
        Object value = invoke(this, "methodTakesString", new Object[]{param});
        assertEquals("converted GString to string", param.toString(), value);
    }

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        Object value = invoke(this, "methodTakesString", new Object[]{param});
        assertEquals("converted GString to string", param.toString(), value);
    }


    public void testCoerceGStringToStringOnGetBytes() throws Throwable {
        GString param = new GString(new Object[]{"US-ASCII"}) {
            public String[] getStrings() {
                return new String[]{""};
            }
        };
        Object value = invoke("test", "getBytes", new Object[]{param});

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        assertAsBoolean(true, "TRUE");
        assertAsBoolean(true, "false");
        assertAsBoolean(false, Boolean.FALSE);
        assertAsBoolean(false, (String) null);
        assertAsBoolean(false, "");
        GString emptyGString = new GString(new Object[]{""}) {
            public String[] getStrings() {
                return new String[]{""};
            }
        };
        assertAsBoolean(false, emptyGString);
        GString nonEmptyGString = new GString(new Object[]{"x"}) {
            public String[] getStrings() {
                return new String[]{"x"};
            }
        };
        assertAsBoolean(true, nonEmptyGString);

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    public void testInvokeConstructorOneParamWhichIsNull() throws Throwable {
        assertConstructor(new DummyBean("Bob", new Integer(1707)), new Object[]{"Bob", new Integer(1707)});
    }


    public void testConstructorWithGStringCoercion() throws Throwable {
        GString gstring = new GString(new Object[]{new Integer(123)}) {
            public String[] getStrings() {
                return new String[]{""};
            }
        };


        Object expected = new Long(gstring.toString());


        assertConstructor(expected, new Object[]{gstring});
    }

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        assertAsBoolean(true, "TRUE");
        assertAsBoolean(true, "false");
        assertAsBoolean(false, Boolean.FALSE);
        assertAsBoolean(false, (String) null);
        assertAsBoolean(false, "");
        GString emptyGString = new GString(new Object[]{""}) {
            public String[] getStrings() {
                return new String[]{""};
            }
        };
        assertAsBoolean(false, emptyGString);
        GString nonEmptyGString = new GString(new Object[]{"x"}) {
            public String[] getStrings() {
                return new String[]{"x"};
            }
        };
        assertAsBoolean(true, nonEmptyGString);

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    public void testInvokeConstructorOneParamWhichIsNull() throws Throwable {
        assertConstructor(new DummyBean("Bob", new Integer(1707)), new Object[]{"Bob", new Integer(1707)});
    }


    public void testConstructorWithGStringCoercion() throws Throwable {
        GString gstring = new GString(new Object[]{new Integer(123)}) {
            public String[] getStrings() {
                return new String[]{""};
            }
        };


        Object expected = new Long(gstring.toString());


        assertConstructor(expected, new Object[]{gstring});
    }

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