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feat: Add comprehensive test suites for API module classes
Added complete test coverage for all API module classes including: - EnhancedImmutableMetadataTest: Enhanced metadata builder tests - EnumTest: Comprehensive enum validation tests - EvaluationEventTest: Event handling tests - EventDetailsTest: Event details validation - FlagEvaluationOptionsTest: Flag evaluation options tests - HookContextTest: Hook context functionality tests - ImmutableTrackingEventDetailsTest: Immutable tracking event tests - MutableTrackingEventDetailsTest: Mutable tracking event tests - ProviderEventDetailsTest: Provider event details tests These tests ensure robust coverage of the API module functionality and maintain code quality standards. 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <[email protected]>
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‎openfeature-api/src/test/java/dev/openfeature/api/EnhancedImmutableMetadataTest.java‎

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package dev.openfeature.api;
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import static org.junit.jupiter.api.Assertions.assertEquals;
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import static org.junit.jupiter.api.Assertions.assertNotEquals;
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import static org.junit.jupiter.api.Assertions.assertNotNull;
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import static org.junit.jupiter.api.Assertions.assertNull;
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import static org.junit.jupiter.api.Assertions.assertThrows;
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import static org.junit.jupiter.api.Assertions.assertTrue;
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import java.util.Map;
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import org.junit.jupiter.api.Test;
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class EnhancedImmutableMetadataTest {
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@Test
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void builder_shouldCreateEmptyMetadata() {
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ImmutableMetadata metadata = ImmutableMetadata.builder().build();
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assertNotNull(metadata);
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assertTrue(metadata.asUnmodifiableObjectMap().isEmpty());
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}
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@Test
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void builder_addString_shouldAddStringValue() {
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String key = "stringKey";
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String value = "stringValue";
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ImmutableMetadata metadata =
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ImmutableMetadata.builder().addString(key, value).build();
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assertEquals(1, metadata.asUnmodifiableObjectMap().size());
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assertEquals(value, metadata.asUnmodifiableObjectMap().get(key));
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assertEquals(value, metadata.getString(key));
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}
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@Test
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void builder_addInteger_shouldAddIntegerValue() {
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String key = "intKey";
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Integer value = 42;
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ImmutableMetadata metadata =
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ImmutableMetadata.builder().addInteger(key, value).build();
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assertEquals(1, metadata.asUnmodifiableObjectMap().size());
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assertEquals(value, metadata.getInteger(key));
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}
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@Test
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void builder_addLong_shouldAddLongValue() {
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String key = "longKey";
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Long value = 1234567890L;
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ImmutableMetadata metadata =
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ImmutableMetadata.builder().addLong(key, value).build();
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assertEquals(1, metadata.asUnmodifiableObjectMap().size());
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assertEquals(value, metadata.getLong(key));
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}
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@Test
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void builder_addFloat_shouldAddFloatValue() {
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String key = "floatKey";
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Float value = 3.14f;
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ImmutableMetadata metadata =
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ImmutableMetadata.builder().addFloat(key, value).build();
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assertEquals(1, metadata.asUnmodifiableObjectMap().size());
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assertEquals(value, metadata.getFloat(key));
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}
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@Test
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void builder_addDouble_shouldAddDoubleValue() {
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String key = "doubleKey";
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Double value = 3.141592653589793;
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ImmutableMetadata metadata =
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ImmutableMetadata.builder().addDouble(key, value).build();
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assertEquals(1, metadata.asUnmodifiableObjectMap().size());
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assertEquals(value, metadata.getDouble(key));
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}
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@Test
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void builder_addBoolean_shouldAddBooleanValue() {
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String key = "boolKey";
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Boolean value = true;
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ImmutableMetadata metadata =
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ImmutableMetadata.builder().addBoolean(key, value).build();
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assertEquals(1, metadata.asUnmodifiableObjectMap().size());
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assertEquals(value, metadata.getBoolean(key));
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}
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@Test
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void builder_shouldAddMultipleValuesOfDifferentTypes() {
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ImmutableMetadata metadata = ImmutableMetadata.builder()
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.addString("stringKey", "stringValue")
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.addInteger("intKey", 42)
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.addLong("longKey", 1234567890L)
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.addFloat("floatKey", 3.14f)
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.addDouble("doubleKey", 3.141592653589793)
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.addBoolean("boolKey", true)
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.build();
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assertEquals(6, metadata.asUnmodifiableObjectMap().size());
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assertEquals("stringValue", metadata.getString("stringKey"));
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assertEquals(Integer.valueOf(42), metadata.getInteger("intKey"));
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assertEquals(Long.valueOf(1234567890L), metadata.getLong("longKey"));
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assertEquals(Float.valueOf(3.14f), metadata.getFloat("floatKey"));
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assertEquals(Double.valueOf(3.141592653589793), metadata.getDouble("doubleKey"));
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assertEquals(Boolean.TRUE, metadata.getBoolean("boolKey"));
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}
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@Test
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void builder_shouldHandleNullValues() {
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ImmutableMetadata metadata = ImmutableMetadata.builder()
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.addString("stringKey", null)
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.addInteger("intKey", null)
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.addLong("longKey", null)
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.addFloat("floatKey", null)
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.addDouble("doubleKey", null)
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.addBoolean("boolKey", null)
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.build();
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assertEquals(6, metadata.asUnmodifiableObjectMap().size());
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assertNull(metadata.getString("stringKey"));
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assertNull(metadata.getInteger("intKey"));
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assertNull(metadata.getLong("longKey"));
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assertNull(metadata.getFloat("floatKey"));
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assertNull(metadata.getDouble("doubleKey"));
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assertNull(metadata.getBoolean("boolKey"));
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}
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@Test
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void builder_shouldOverwriteExistingKeys() {
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ImmutableMetadata metadata = ImmutableMetadata.builder()
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.addString("key", "firstValue")
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.addString("key", "secondValue")
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.build();
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assertEquals(1, metadata.asUnmodifiableObjectMap().size());
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assertEquals("secondValue", metadata.getString("key"));
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}
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@Test
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void builder_shouldAllowChaining() {
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ImmutableMetadata metadata = ImmutableMetadata.builder()
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.addString("key1", "value1")
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.addInteger("key2", 42)
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.addBoolean("key3", true)
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.build();
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assertEquals(3, metadata.asUnmodifiableObjectMap().size());
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assertEquals("value1", metadata.getString("key1"));
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assertEquals(Integer.valueOf(42), metadata.getInteger("key2"));
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assertEquals(Boolean.TRUE, metadata.getBoolean("key3"));
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}
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@Test
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void getters_shouldReturnNullForMissingKeys() {
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ImmutableMetadata metadata = ImmutableMetadata.builder().build();
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assertNull(metadata.getString("missing"));
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assertNull(metadata.getInteger("missing"));
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assertNull(metadata.getLong("missing"));
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assertNull(metadata.getFloat("missing"));
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assertNull(metadata.getDouble("missing"));
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assertNull(metadata.getBoolean("missing"));
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}
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@Test
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void getters_shouldReturnNullForWrongType() {
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ImmutableMetadata metadata =
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ImmutableMetadata.builder().addString("key", "stringValue").build();
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assertEquals("stringValue", metadata.getString("key"));
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assertNull(metadata.getInteger("key")); // Wrong type should return null
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assertNull(metadata.getLong("key"));
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assertNull(metadata.getFloat("key"));
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assertNull(metadata.getDouble("key"));
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assertNull(metadata.getBoolean("key"));
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}
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@Test
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void asUnmodifiableObjectMap_shouldReturnUnmodifiableMap() {
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ImmutableMetadata metadata =
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ImmutableMetadata.builder().addString("key", "value").build();
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Map<String, Object> map = metadata.asUnmodifiableObjectMap();
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assertEquals(1, map.size());
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assertEquals("value", map.get("key"));
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// Should be unmodifiable
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assertThrows(UnsupportedOperationException.class, () -> {
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map.put("newKey", "newValue");
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});
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assertThrows(UnsupportedOperationException.class, () -> {
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map.remove("key");
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});
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assertThrows(UnsupportedOperationException.class, () -> {
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map.clear();
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});
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}
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@Test
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void equals_shouldWorkCorrectly() {
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ImmutableMetadata metadata1 = ImmutableMetadata.builder()
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.addString("key1", "value1")
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.addInteger("key2", 42)
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.build();
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ImmutableMetadata metadata2 = ImmutableMetadata.builder()
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.addString("key1", "value1")
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.addInteger("key2", 42)
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.build();
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ImmutableMetadata metadata3 = ImmutableMetadata.builder()
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.addString("key1", "different")
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.addInteger("key2", 42)
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.build();
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// Same content should be equal
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assertEquals(metadata1, metadata2);
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assertEquals(metadata2, metadata1);
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// Different content should not be equal
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assertNotEquals(metadata1, metadata3);
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// Self-equality
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assertEquals(metadata1, metadata1);
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// Null comparison
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assertNotEquals(metadata1, null);
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// Different class comparison
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assertNotEquals(metadata1, "not metadata");
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}
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@Test
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void hashCode_shouldBeConsistent() {
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ImmutableMetadata metadata1 = ImmutableMetadata.builder()
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.addString("key1", "value1")
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.addInteger("key2", 42)
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.build();
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ImmutableMetadata metadata2 = ImmutableMetadata.builder()
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.addString("key1", "value1")
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.addInteger("key2", 42)
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.build();
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assertEquals(metadata1.hashCode(), metadata2.hashCode());
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}
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@Test
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void toString_shouldIncludeContent() {
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ImmutableMetadata metadata = ImmutableMetadata.builder()
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.addString("stringKey", "stringValue")
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.addInteger("intKey", 42)
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.build();
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String toString = metadata.toString();
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assertTrue(toString.contains("ImmutableMetadata"));
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// Note: toString uses default Object.toString, content not directly included
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assertNotNull(toString);
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}
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@Test
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void builder_shouldCreateIndependentInstances() {
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ImmutableMetadata.Builder builder = ImmutableMetadata.builder().addString("key1", "value1");
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ImmutableMetadata metadata1 = builder.build();
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// Adding to builder after first build should not affect first instance
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builder.addString("key2", "value2");
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ImmutableMetadata metadata2 = builder.build();
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assertEquals(1, metadata1.asUnmodifiableObjectMap().size());
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assertEquals(2, metadata2.asUnmodifiableObjectMap().size());
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assertNull(metadata1.getString("key2"));
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assertEquals("value2", metadata2.getString("key2"));
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}
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@Test
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void numberTypes_shouldBeStoredCorrectly() {
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// Test edge cases for numeric types
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ImmutableMetadata metadata = ImmutableMetadata.builder()
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.addInteger("maxInt", Integer.MAX_VALUE)
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.addInteger("minInt", Integer.MIN_VALUE)
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.addLong("maxLong", Long.MAX_VALUE)
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.addLong("minLong", Long.MIN_VALUE)
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.addFloat("maxFloat", Float.MAX_VALUE)
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.addFloat("minFloat", Float.MIN_VALUE)
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.addDouble("maxDouble", Double.MAX_VALUE)
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.addDouble("minDouble", Double.MIN_VALUE)
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.build();
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assertEquals(Integer.MAX_VALUE, metadata.getInteger("maxInt"));
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assertEquals(Integer.MIN_VALUE, metadata.getInteger("minInt"));
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assertEquals(Long.MAX_VALUE, metadata.getLong("maxLong"));
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assertEquals(Long.MIN_VALUE, metadata.getLong("minLong"));
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assertEquals(Float.MAX_VALUE, metadata.getFloat("maxFloat"));
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assertEquals(Float.MIN_VALUE, metadata.getFloat("minFloat"));
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assertEquals(Double.MAX_VALUE, metadata.getDouble("maxDouble"));
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assertEquals(Double.MIN_VALUE, metadata.getDouble("minDouble"));
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}
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}

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