149 lines
3.9 KiB
JavaScript
149 lines
3.9 KiB
JavaScript
// NOTE trailing comma doesn't contribute to length of an array
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// That also means the array changes length if previous element is a hole too and got cut off
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holes_and_undefined: {
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input: {
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w = [1,,];
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x = [1, 2, undefined];
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y = [1, , 2, ];
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z = [1, undefined, 3];
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}
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expect: {
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w=[1,,];
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x=[1,2,void 0];
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y=[1,,2];
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z=[1,void 0,3];
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}
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}
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constant_join: {
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options = {
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unsafe : true,
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evaluate : true
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};
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input: {
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var a = [ "foo", "bar", "baz" ].join("");
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var a1 = [ "foo", "bar", "baz" ].join();
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var b = [ "foo", 1, 2, 3, "bar" ].join("");
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var c = [ boo(), "foo", 1, 2, 3, "bar", bar() ].join("");
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var c1 = [ boo(), bar(), "foo", 1, 2, 3, "bar", bar() ].join("");
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var c2 = [ 1, 2, "foo", "bar", baz() ].join("");
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var d = [ "foo", 1 + 2 + "bar", "baz" ].join("-");
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var e = [].join(foo + bar);
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var f = [].join("");
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var g = [].join("foo");
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}
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expect: {
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var a = "foobarbaz";
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var a1 = "foo,bar,baz";
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var b = "foo123bar";
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var c = boo() + "foo123bar" + bar();
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var c1 = "" + boo() + bar() + "foo123bar" + bar();
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var c2 = "12foobar" + baz();
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var d = "foo-3bar-baz";
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var e = [].join(foo + bar);
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var f = "";
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var g = "";
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}
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}
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constant_join_2: {
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options = {
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unsafe : true,
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evaluate : true
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};
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input: {
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var a = [ "foo", "bar", boo(), "baz", "x", "y" ].join("");
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var b = [ "foo", "bar", boo(), "baz", "x", "y" ].join("-");
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var c = [ "foo", "bar", boo(), "baz", "x", "y" ].join("really-long-separator");
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var d = [ "foo", "bar", boo(),
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[ "foo", 1, 2, 3, "bar" ].join("+"),
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"baz", "x", "y" ].join("-");
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var e = [ "foo", "bar", boo(),
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[ "foo", 1, 2, 3, "bar" ].join("+"),
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"baz", "x", "y" ].join("really-long-separator");
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var f = [ "str", "str" + variable, "foo", "bar", "moo" + foo ].join("");
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}
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expect: {
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var a = "foobar" + boo() + "bazxy";
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var b = [ "foo-bar", boo(), "baz-x-y" ].join("-");
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var c = [ "foo", "bar", boo(), "baz", "x", "y" ].join("really-long-separator");
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var d = [ "foo-bar", boo(), "foo+1+2+3+bar-baz-x-y" ].join("-");
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var e = [ "foo", "bar", boo(),
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"foo+1+2+3+bar",
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"baz", "x", "y" ].join("really-long-separator");
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var f = "strstr" + variable + "foobarmoo" + foo;
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}
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}
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spread_with_variable_as_last_element: {
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input: {
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var values = [4, 5, 6];
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var a = [1, 2, 3, ...values];
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}
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expect: {
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var values = [4, 5, 6];
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var a = [1, 2, 3, ...values];
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}
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}
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spread_with_variable_in_middle: {
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input: {
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var values = [4, 5, 6];
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var a = [1, 2, 3, ...values, 7,,,];
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}
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expect: {
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var values = [4, 5, 6];
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var a = [1, 2, 3, ...values, 7,,,];
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}
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}
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spread_with_variable_at_front: {
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input: {
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var values = [1, 2, 3];
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var a = [...values, 4, 5, 6];
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}
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expect: {
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var values = [1, 2, 3];
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var a = [...values, 4, 5, 6];
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}
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}
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spread_with_variable_at_front_after_elisions: {
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input: {
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var values = [1, 2, 3];
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var a = [,,,...values, 4, 5, 6];
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}
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expect: {
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var values = [1, 2, 3];
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var a = [,,,...values, 4, 5, 6];
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}
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}
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spread_with_array_at_end: {
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input: {
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var a = [1, 2, ...[4, 5, 6]];
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}
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expect: {
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var a = [1, 2, ...[4, 5, 6]];
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}
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}
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spread_with_logical_expression_at_end: {
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options = { evaluate: true }
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input: {
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var a = [1, 2, 3, ...[2+2]]
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}
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expect: {
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var a = [1, 2, 3, ...[4]]
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}
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}
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spread_with_logical_expression_at_middle: {
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options = { evaluate: true }
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input: {
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var a = [1, 1, ...[1+1, 1+2, 2+3], 8]
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}
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expect: {
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var a = [1, 1, ...[2, 3, 5], 8]
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}
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} |