83 lines
2.0 KiB
JavaScript
83 lines
2.0 KiB
JavaScript
//
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// Tests for N-dimensional polygon querying
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//
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t = db.geo_polygon1;
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t.drop();
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num = 0;
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for (x = 1; x < 9; x++) {
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for (y = 1; y < 9; y++) {
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o = {_id: num++, loc: [x, y]};
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t.save(o);
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}
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}
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t.ensureIndex({loc: "2d"});
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triangle = [[0, 0], [1, 1], [0, 2]];
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// Look at only a small slice of the data within a triangle
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assert.eq(1, t.find({loc: {"$within": {"$polygon": triangle}}}).count(), "Triangle Test");
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boxBounds = [[0, 0], [0, 10], [10, 10], [10, 0]];
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assert.eq(num, t.find({loc: {"$within": {"$polygon": boxBounds}}}).count(), "Bounding Box Test");
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// Make sure we can add object-based polygons
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assert.eq(
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num, t.find({
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loc: {$within: {$polygon: {a: [-10, -10], b: [-10, 10], c: [10, 10], d: [10, -10]}}}
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}).count());
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// Look in a box much bigger than the one we have data in
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boxBounds = [[-100, -100], [-100, 100], [100, 100], [100, -100]];
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assert.eq(
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num, t.find({loc: {"$within": {"$polygon": boxBounds}}}).count(), "Big Bounding Box Test");
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t.drop();
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pacman = [
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[0, 2],
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[0, 4],
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[2, 6],
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[4, 6], // Head
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[6, 4],
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[4, 3],
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[6, 2], // Mouth
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[4, 0],
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[2, 0] // Bottom
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];
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t.save({loc: [1, 3]}); // Add a point that's in
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assert.commandWorked(t.ensureIndex({loc: "2d"}));
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assert.eq(1, t.find({loc: {$within: {$polygon: pacman}}}).count(), "Pacman single point");
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t.save({loc: [5, 3]}); // Add a point that's out right in the mouth opening
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t.save({loc: [3, 7]}); // Add a point above the center of the head
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t.save({loc: [3, -1]}); // Add a point below the center of the bottom
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assert.eq(1, t.find({loc: {$within: {$polygon: pacman}}}).count(), "Pacman double point");
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// Make sure we can't add bad polygons
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okay = true;
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try {
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t.find({loc: {$within: {$polygon: [1, 2]}}}).toArray();
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okay = false;
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} catch (e) {
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}
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assert(okay);
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try {
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t.find({loc: {$within: {$polygon: [[1, 2]]}}}).toArray();
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okay = false;
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} catch (e) {
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}
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assert(okay);
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try {
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t.find({loc: {$within: {$polygon: [[1, 2], [2, 3]]}}}).toArray();
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okay = false;
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} catch (e) {
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}
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assert(okay);
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