34 lines
1.6 KiB
Diff
34 lines
1.6 KiB
Diff
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diff -ur guava-18.0.vanilla/guava/src/com/google/common/collect/Maps.java guava-18.0/guava/src/com/google/common/collect/Maps.java
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--- guava-18.0.vanilla/guava/src/com/google/common/collect/Maps.java 2014-08-25 18:39:22.000000000 +0000
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+++ guava-18.0/guava/src/com/google/common/collect/Maps.java 2015-06-03 21:02:12.498000000 +0000
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@@ -206,11 +206,15 @@
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return expectedSize + 1;
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}
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if (expectedSize < Ints.MAX_POWER_OF_TWO) {
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- return expectedSize + expectedSize / 3;
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+ // This is the calculation used in JDK8 to resize when a putAll
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+ // happens; it seems to be the most conservative calculation we
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+ // can make. 0.75 is the default load factor.
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+ return (int) ((float) expectedSize / 0.75F + 1.0F);
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}
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return Integer.MAX_VALUE; // any large value
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}
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+
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/**
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* Creates a <i>mutable</i> {@code HashMap} instance with the same mappings as
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* the specified map.
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diff -ur guava-18.0.vanilla/guava-tests/test/com/google/common/collect/MapsTest.java guava-18.0/guava-tests/test/com/google/common/collect/MapsTest.java
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--- guava-18.0.vanilla/guava-tests/test/com/google/common/collect/MapsTest.java 2014-08-25 18:39:22.000000000 +0000
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+++ guava-18.0/guava-tests/test/com/google/common/collect/MapsTest.java 2015-06-03 21:04:15.463000000 +0000
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@@ -156,7 +156,8 @@
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Field tableField = HashMap.class.getDeclaredField("table");
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tableField.setAccessible(true);
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Object[] table = (Object[]) tableField.get(hashMap);
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- return table.length;
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+ // In JDK8, table is set lazily, so it may be null.
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+ return table == null ? 0 : table.length;
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}
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public void testCapacityForLargeSizes() {
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