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authorFlorian Dold <florian.dold@gmail.com>2019-04-03 15:43:32 +0200
committerFlorian Dold <florian.dold@gmail.com>2019-04-03 15:45:57 +0200
commit71e285b94c7edaa43aa8115965cf5a36b8e0f80a (patch)
tree7d4aa9d0d5aff686b106cd5da72ba77960c4af43 /deps/node/deps/npm/node_modules/concat-map/test/map.js
parent7dadf9356b4f3f4137ce982ea5bb960283116e9a (diff)
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Node.js v11.13.0
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-rw-r--r--deps/node/deps/npm/node_modules/concat-map/test/map.js39
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diff --git a/deps/node/deps/npm/node_modules/concat-map/test/map.js b/deps/node/deps/npm/node_modules/concat-map/test/map.js
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+var concatMap = require('../');
+var test = require('tape');
+
+test('empty or not', function (t) {
+ var xs = [ 1, 2, 3, 4, 5, 6 ];
+ var ixes = [];
+ var ys = concatMap(xs, function (x, ix) {
+ ixes.push(ix);
+ return x % 2 ? [ x - 0.1, x, x + 0.1 ] : [];
+ });
+ t.same(ys, [ 0.9, 1, 1.1, 2.9, 3, 3.1, 4.9, 5, 5.1 ]);
+ t.same(ixes, [ 0, 1, 2, 3, 4, 5 ]);
+ t.end();
+});
+
+test('always something', function (t) {
+ var xs = [ 'a', 'b', 'c', 'd' ];
+ var ys = concatMap(xs, function (x) {
+ return x === 'b' ? [ 'B', 'B', 'B' ] : [ x ];
+ });
+ t.same(ys, [ 'a', 'B', 'B', 'B', 'c', 'd' ]);
+ t.end();
+});
+
+test('scalars', function (t) {
+ var xs = [ 'a', 'b', 'c', 'd' ];
+ var ys = concatMap(xs, function (x) {
+ return x === 'b' ? [ 'B', 'B', 'B' ] : x;
+ });
+ t.same(ys, [ 'a', 'B', 'B', 'B', 'c', 'd' ]);
+ t.end();
+});
+
+test('undefs', function (t) {
+ var xs = [ 'a', 'b', 'c', 'd' ];
+ var ys = concatMap(xs, function () {});
+ t.same(ys, [ undefined, undefined, undefined, undefined ]);
+ t.end();
+});