Modules

2025-06-17 10:46:01 +00:00 · 2020-03-03 22:30:50 +02:00
parent edfcc6f474
commit 30022c7634
11800 changed files with 1984416 additions and 1 deletions
--- a/node_modules/@protobufjs/float/tests/index.js
+++ b/node_modules/@protobufjs/float/tests/index.js
@ -0,0 +1,100 @@
+var tape = require("tape");
+
+var float = require("..");
+
+tape.test("float", function(test) {
+
+    // default
+    test.test(test.name + " - typed array", function(test) {
+        runTest(float, test);
+    });
+
+    // ieee754
+    test.test(test.name + " - fallback", function(test) {
+        var F32 = global.Float32Array,
+            F64 = global.Float64Array;
+        delete global.Float32Array;
+        delete global.Float64Array;
+        runTest(float({}), test);
+        global.Float32Array = F32;
+        global.Float64Array = F64;
+    });
+});
+
+function runTest(float, test) {
+
+    var common = [
+        0,
+        -0,
+        Infinity,
+        -Infinity,
+        0.125,
+        1024.5,
+        -4096.5,
+        NaN
+    ];
+
+    test.test(test.name + " - using 32 bits", function(test) {
+        common.concat([
+            3.4028234663852886e+38,
+            1.1754943508222875e-38,
+            1.1754946310819804e-39
+        ])
+        .forEach(function(value) {
+            var strval = value === 0 && 1 / value < 0 ? "-0" : value.toString();
+            test.ok(
+                checkValue(value, 4, float.readFloatLE, float.writeFloatLE, Buffer.prototype.writeFloatLE),
+                "should write and read back " + strval + " (32 bit LE)"
+            );
+            test.ok(
+                checkValue(value, 4, float.readFloatBE, float.writeFloatBE, Buffer.prototype.writeFloatBE),
+                "should write and read back " + strval + " (32 bit BE)"
+            );
+        });
+        test.end();
+    });
+
+    test.test(test.name + " - using 64 bits", function(test) {
+        common.concat([
+            1.7976931348623157e+308,
+            2.2250738585072014e-308,
+            2.2250738585072014e-309
+        ])
+        .forEach(function(value) {
+            var strval = value === 0 && 1 / value < 0 ? "-0" : value.toString();
+            test.ok(
+                checkValue(value, 8, float.readDoubleLE, float.writeDoubleLE, Buffer.prototype.writeDoubleLE),
+                "should write and read back " + strval + " (64 bit LE)"
+            );
+            test.ok(
+                checkValue(value, 8, float.readDoubleBE, float.writeDoubleBE, Buffer.prototype.writeDoubleBE),
+                "should write and read back " + strval + " (64 bit BE)"
+            );
+        });
+        test.end();
+    });
+
+    test.end();
+}
+
+function checkValue(value, size, read, write, write_comp) {
+    var buffer = new Buffer(size);
+    write(value, buffer, 0);
+    var value_comp = read(buffer, 0);
+    var strval = value === 0 && 1 / value < 0 ? "-0" : value.toString();
+    if (value !== value) {
+        if (value_comp === value_comp)
+            return false;
+    } else if (value_comp !== value)
+        return false;
+
+    var buffer_comp = new Buffer(size);
+    write_comp.call(buffer_comp, value, 0);
+    for (var i = 0; i < size; ++i)
+        if (buffer[i] !== buffer_comp[i]) {
+            console.error(">", buffer, buffer_comp);
+            return false;
+        }
+
+    return true;
+}