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Diffstat (limited to 'jstests/geo_mindistance_boundaries.js')
-rw-r--r-- | jstests/geo_mindistance_boundaries.js | 124 |
1 files changed, 0 insertions, 124 deletions
diff --git a/jstests/geo_mindistance_boundaries.js b/jstests/geo_mindistance_boundaries.js deleted file mode 100644 index 80e933827b6..00000000000 --- a/jstests/geo_mindistance_boundaries.js +++ /dev/null @@ -1,124 +0,0 @@ -/* Test boundary conditions for $minDistance option for $near and $nearSphere - * queries. SERVER-9395. -*/ -var t = db.geo_mindistance_boundaries; -t.drop(); -t.insert({loc: [1, 0]}); // 1 degree of longitude from origin. - -/* $minDistance is supported for 2dsphere index only, not 2d or geoHaystack. */ -t.ensureIndex({loc: "2dsphere"}); - -// -// Useful constants. -// - -var km = 1000, - earthRadiusMeters = 6378.1 * km, - geoJSONPoint = {type: 'Point', coordinates: [0, 0]}, - // One degree of longitude at the equator, about 111 km. - degreeInMeters = 2 * Math.PI * earthRadiusMeters / 360, - metersEpsilon = Number.MIN_VALUE; - -/* Grow epsilon's exponent until epsilon exceeds the margin of error for the - * representation of degreeInMeters. The server uses 64-bit math, too, so we'll - * find the smallest epsilon the server can detect. -*/ -while (degreeInMeters + metersEpsilon == degreeInMeters) { metersEpsilon *= 2; } - -// -// Test boundary conditions for $near and GeoJSON, in meters. -// - - -// minDistance must be within the args to $near, not on the side. -assert.throws(function() { t.find({loc:{$near:{$geometry: geoJSONPoint}, - $minDistance:0.1}}).itcount();}); - -assert.eq( - 1, t.find({loc: { - $near: {$geometry: geoJSONPoint, - $minDistance: degreeInMeters - }}}).itcount(), - "Expected to find (0, 1) within $minDistance 1 degree from origin" -); - -assert.eq( - 1, t.find({loc: { - $near: {$geometry: geoJSONPoint, - $minDistance: degreeInMeters - metersEpsilon - }}}).itcount(), - "Expected to find (0, 1) within $minDistance (1 degree - epsilon) from origin" -); - -assert.eq( - 0, t.find({loc: { - $near: {$geometry: geoJSONPoint, - $minDistance: degreeInMeters + metersEpsilon - }}}).itcount(), - "Expected *not* to find (0, 1) within $minDistance (1 degree + epsilon) from origin" -); - -// -// Test boundary conditions for $nearSphere and GeoJSON, in meters. -// - -assert.eq( - 1, t.find({loc: { - $nearSphere: {$geometry: geoJSONPoint, - $minDistance: degreeInMeters - }}}).itcount(), - "Expected to find (0, 1) within $minDistance 1 degree from origin" -); - -assert.eq( - 1, t.find({loc: { - $nearSphere: geoJSONPoint, - $minDistance: degreeInMeters - metersEpsilon - }}).itcount(), - "Expected to find (0, 1) within $minDistance (1 degree - epsilon) from origin" -); - -assert.eq( - 0, t.find({loc: { - $nearSphere: geoJSONPoint, - $minDistance: degreeInMeters + metersEpsilon - }}).itcount(), - "Expected *not* to find (0, 1) within $minDistance (1 degree + epsilon) from origin" -); - -// -// Test boundary conditions for $nearSphere and a legacy point, in radians. -// -// $minDistance with legacy point requires $nearSphere; $near not -// supported. -// - -var legacyPoint = [0, 0], - degreeInRadians = 2 * Math.PI / 360, - radiansEpsilon = Number.MIN_VALUE; - -while (1 + radiansEpsilon == 1) { radiansEpsilon *= 2; } - -assert.eq( - 1, t.find({loc: { - $nearSphere: legacyPoint, - $minDistance: degreeInRadians - }}).itcount(), - "Expected to find (0, 1) within $minDistance 1 degree from origin" -); - -assert.eq( - 1, t.find({loc: { - $nearSphere: legacyPoint, - $minDistance: degreeInRadians - radiansEpsilon - }}).itcount(), - "Expected to find (0, 1) within $minDistance (1 degree - epsilon) from origin" -); - -assert.eq( - 0, t.find({loc: { - $nearSphere: legacyPoint, - $minDistance: degreeInRadians + radiansEpsilon - }}).itcount(), - "Expected *not* to find (0, 1) within $minDistance (1 degree + epsilon) from origin" -); |