Examples of js.lang.NativeArray.indexOf()

js.lang.NativeArray.indexOf()

Returns the first (least) index of an element within the array equal to the specified value, or -1 if none is found.
@param item A search item. @return A first index or -1 if none is found.

                assert array.length() == 0;


                array.push("1");
                assert array.length() == 1;


                int index = array.indexOf("1");
                assert index == 0;


                return index;
            }
        });

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                assert array.length() == 0;


                array.push("1");
                assert array.length() == 1;


                int index = array.indexOf("1");
                assert index == 0;


                array.remove(index);
                assert array.length() == 0;

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                Object value2 = instance.setProperty(key2, "value2");
                Object value3 = instance.setProperty(key3, "value3");


                NativeArray<String> set2 = new NativeArray(instance.keys());
                assert set2.length() == 3;
                assert set2.indexOf(key1) != -1;
                assert set2.indexOf(key2) != -1;
                assert set2.indexOf(key3) != -1;
                assert set2.indexOf("4") == -1;


                instance.deleteProperty(key1);

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                Object value3 = instance.setProperty(key3, "value3");


                NativeArray<String> set2 = new NativeArray(instance.keys());
                assert set2.length() == 3;
                assert set2.indexOf(key1) != -1;
                assert set2.indexOf(key2) != -1;
                assert set2.indexOf(key3) != -1;
                assert set2.indexOf("4") == -1;


                instance.deleteProperty(key1);
                instance.deleteProperty(key3);

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                NativeArray<String> set2 = new NativeArray(instance.keys());
                assert set2.length() == 3;
                assert set2.indexOf(key1) != -1;
                assert set2.indexOf(key2) != -1;
                assert set2.indexOf(key3) != -1;
                assert set2.indexOf("4") == -1;


                instance.deleteProperty(key1);
                instance.deleteProperty(key3);

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                NativeArray<String> set2 = new NativeArray(instance.keys());
                assert set2.length() == 3;
                assert set2.indexOf(key1) != -1;
                assert set2.indexOf(key2) != -1;
                assert set2.indexOf(key3) != -1;
                assert set2.indexOf("4") == -1;


                instance.deleteProperty(key1);
                instance.deleteProperty(key3);


                NativeArray<String> set3 = new NativeArray(instance.keys());

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                instance.deleteProperty(key1);
                instance.deleteProperty(key3);


                NativeArray<String> set3 = new NativeArray(instance.keys());
                assert set3.length() == 1;
                assert set3.indexOf(key1) == -1;
                assert set3.indexOf(key2) != -1;
                assert set3.indexOf(key3) == -1;


                return set2.toArray().length;
            }

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                instance.deleteProperty(key3);


                NativeArray<String> set3 = new NativeArray(instance.keys());
                assert set3.length() == 1;
                assert set3.indexOf(key1) == -1;
                assert set3.indexOf(key2) != -1;
                assert set3.indexOf(key3) == -1;


                return set2.toArray().length;
            }
        });

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                NativeArray<String> set3 = new NativeArray(instance.keys());
                assert set3.length() == 1;
                assert set3.indexOf(key1) == -1;
                assert set3.indexOf(key2) != -1;
                assert set3.indexOf(key3) == -1;


                return set2.toArray().length;
            }
        });
    }

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